Profile editing will be unavailable for Scholars@Duke profiles from June 11-24, 2026 as manual profile data entry transitions to Elements.
More information about the transition.
Journal ArticleBMC Genomics · October 27, 2025
BACKGROUND: Z-DNA is a left-handed DNA conformation with a zigzag backbone whose formation depends on base composition, modifications, and environmental factors. Although energetically unfavorable, Z-DNA has been implicated in both normal physiology and di ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · October 2025
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by protean clinical manifestations that are associated with immune system dysregulation. Of these manifestations, pain and pain-related symptoms such as fatigue, mood disturba ...
Full textLink to itemCite
Journal ArticleBiophys J · July 15, 2025
The interaction of cell-free DNA with biological particles has been linked to autoimmune diseases such as systemic lupus erythematosus, but mechanistic details are lacking. Our recent work has shown that DNA adsorbed on the surface of synthetic particles, ...
Full textLink to itemCite
Journal ArticleJ Immunol · May 1, 2025
Systemic lupus erythematosus (SLE) is a complex systemic autoimmune disease characterized by a wide range of clinical and immunologic manifestations, most prominently, the production of autoantibodies to nuclear components (ANAs). A previous study delineat ...
Full textLink to itemCite
Journal ArticleJ Clin Invest · March 3, 2025
Multiple sclerosis (MS) is a debilitating autoimmune disease of the CNS, which is characterized by demyelination and axonal injury and frequently preceded by a demyelinating event called clinically isolated syndrome (CIS). Despite the importance of B cells ...
Full textLink to itemCite
Journal ArticleJ Clin Med · January 30, 2025
Background: HLA homozygosity of specific alleles at a single locus is associated with increased risk for autoimmunity and/or more severe clinical phenotypes. However, the contribution of the overall limitation of HLA diversity across multiple loci to autoi ...
Full textLink to itemCite
Journal ArticleACR Open Rheumatol · December 2024
OBJECTIVE: The Type 1 and 2 systemic lupus erythematosus (SLE) Model was developed to encapsulate all signs and symptoms that patients with SLE experience. Our previous qualitative work demonstrated the model accurately reflects the lived experience of peo ...
Full textOpen AccessLink to itemCite
Journal ArticleAnn Intern Med · November 2024
Kingsbury SR, Tharmanathan P, Keding A, et al. Pain reduction with oral methotrexate in knee osteoarthritis: a randomized, placebo-controlled clinical trial. Ann Intern Med. 2024;177:1145-1156. 39074374. ...
Full textLink to itemCite
Journal ArticleArthritis Rheumatol · September 2024
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease that primarily affects young women and causes a wide range of inflammatory manifestations. The hallmark of SLE is the production of antibodies to components of the cell nucleus (antinucl ...
Full textLink to itemCite
Journal ArticleAnn Intern Med · July 2024
Rech J, Tascilar K, Hagen M, et al. Abatacept inhibits inflammation and onset of rheumatoid arthritis in individuals at high risk (ARIAA): a randomised, international, multicentre, double-blind, placebo-controlled trial. Lancet. 2024;403:850-859. 38364841. ...
Full textLink to itemCite
Journal ArticleAnn Rheum Dis · June 12, 2024
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterised by antibodies to DNA (anti-DNA) and other nuclear macromolecules. Anti-DNA antibodies are markers for classification and disease activity and promote pathogenesis by formin ...
Full textLink to itemCite
Journal ArticleJ Rheumatol · May 1, 2024
OBJECTIVE: Systemic lupus erythematosus (SLE) flares are associated with increased damage and decreased health-related quality of life. We hypothesized that there is discordance between physicians' and patients' views of SLE flare. In this study, we aimed ...
Full textLink to itemCite
Journal ArticleClin Rheumatol · April 2024
BACKGROUND: Type 2 systemic lupus erythematosus (SLE) symptoms, including fatigue, fibromyalgia, and brain fog, contribute to poor health-related quality of life (HRQoL) in patients with lupus. To test the hypothesis that Type 1 (classical inflammatory lup ...
Full textLink to itemCite
Journal ArticleProc Natl Acad Sci U S A · March 12, 2024
Autoimmune and inflammatory diseases are highly complex, limiting treatment and the development of new therapies. Recent work has shown that cell-free DNA bound to biological microparticles is linked to systemic lupus erythematosus, a prototypic autoimmune ...
Full textLink to itemCite
Journal ArticleLupus · March 2024
OBJECTIVE: In the new Type 1 & 2 model for systemic lupus erythematosus (SLE), Type 1 SLE represents classic inflammatory manifestations, such as arthritis, while Type 2 SLE encompasses symptoms such as pain and fatigue where the relationship to inflammati ...
Full textLink to itemCite
Journal ArticleInt J Mol Sci · February 22, 2024
Antibodies to DNA are a diverse set of antibodies that bind sites on DNA, a polymeric macromolecule that displays various conformations. In a previous study, we showed that sera of normal healthy subjects (NHS) contain IgG antibodies to Z-DNA, a left-hande ...
Full textLink to itemCite
Journal ArticleJ Autoimmun · January 2024
BACKGROUND: Rheumatoid arthritis (RA) is a chronic autoimmune disorder that affects the joints and produces pain, swelling, and stiffness. It has a lifetime prevalence of up to 1% worldwide. An extract of Tripterygium wilfordii Hook F (TwHF), a member of t ...
Full textLink to itemCite
Chapter · January 1, 2024
Like many physicians of my age (I was born in 1945), I trained in a medical education system so vastly different from that of today that any relevance to current trainees is coincidental at best. I obtained my MD and PhD degrees at the Albert Einstein Coll ...
Full textCite
Journal ArticleJ Patient Rep Outcomes · December 21, 2023
OBJECTIVE: To account for heterogeneity in systemic lupus erythematosus (SLE) and bridge discrepancies between patient- and physician-perceived SLE activity, we developed the Type 1 and 2 SLE model. We examined PROMIS-29 scores, a composite patient-reporte ...
Full textLink to itemCite
Journal ArticleLupus Sci Med · December 17, 2023
OBJECTIVE: Manifestations of SLE can be categorised as type 1 (classic signs and symptoms of SLE) or type 2 (fatigue, widespread pain and brain fog with an unclear relationship to inflammation). While measures of type 1 SLE activity exist, most current phy ...
Full textLink to itemCite
Journal ArticleAnn Rheum Dis · October 2023
The rheumatic diseases are a diverse group of conditions that can display autoantibody production, functional immune disturbances and systemic disease manifestations. These autoantibodies can serve as markers for classification, diagnosis, prognosis and di ...
Full textLink to itemCite
Journal ArticleClin Immunol · October 2023
To explore the antibody response to Z-DNA, a DNA conformation with a zig-zag structure, blood of patients with systemic lupus erythematosus (SLE) and otherwise healthy individuals (NHS) were assayed by ELISA using brominated poly(dGdC), a synthetic Z-DNA a ...
Full textLink to itemCite
Journal ArticleNat Rev Nephrol · August 2023
Autoimmune diseases are a diverse group of conditions characterized by aberrant B cell and T cell reactivity to normal constituents of the host. These diseases occur widely and affect individuals of all ages, especially women. Among these diseases, the mos ...
Full textLink to itemCite
Journal ArticleAnn Intern Med · August 2023
Smith RM, Jones RB, Specks U, et al; RITAZAREM co-investigators. Rituximab versus azathioprine for maintenance of remission for patients with ANCA-associated vasculitis and relapsing disease: an international randomised controlled trial. Ann Rheum Dis. 202 ...
Full textLink to itemCite
Journal ArticleCell Death Differ · April 2023
Extracellular chromatin, for example in the form of neutrophil extracellular traps (NETs), is an important element that propels the pathological progression of a plethora of diseases. DNA drives the interferon system, serves as autoantigen, and forms the e ...
Full textLink to itemCite
Journal ArticleLancet Rheumatol · March 2023
Systemic lupus erythematosus is a complex, systemic autoimmune disease characterised by immune dysregulation. Pathogenesis is multifactorial, contributing to clinical heterogeneity and posing challenges for diagnosis and treatment. Although strides in trea ...
Full textLink to itemCite
Journal ArticleACR Open Rheumatol · January 2023
OBJECTIVE: Evobrutinib is a highly selective, orally administered Bruton's tyrosine kinase (BTK) inhibitor. The objective of this phase II, multicenter, randomized, double-blind, placebo-controlled trial was to evaluate the efficacy and safety of evobrutin ...
Full textLink to itemCite
Journal ArticleAnn Intern Med · January 2023
Devauchelle-Pensec V, Carvajal-Alegria G, Dernis E, et al. Effect of tocilizumab on disease activity in patients with active polymyalgia rheumatica receiving glucocorticoid therapy: a randomized clinical trial. JAMA. 2022;328:1053-62. 36125471. ...
Full textLink to itemCite
Journal ArticleLupus Sci Med · January 2023
OBJECTIVE: To character the molecular landscape of patients with type 1 and type 2 SLE by analysing gene expression profiles from peripheral blood. METHODS: Full transcriptomic RNA sequencing was carried out on whole blood samples from 18 subjects with SLE ...
Full textLink to itemCite
Chapter · January 1, 2023
• Systemic lupus erythematosus (SLE) is the prototypical autoimmune disease, associated with autoantibody production and evidence for immune complex deposition among the many aspects of its pathophysiology. • SLE occurs most commonly in women during their ...
Full textCite
Chapter · January 1, 2023
The laboratory evaluation for the rheumatic diseases involves both nonspecific and specific biomarkers to determine the extent of tissue injury, the presence of inflammation and autoimmunity, and serologic evidence for the diagnosis. Nonspecific markers of ...
Full textCite
Journal ArticleiScience · December 22, 2022
Nucleic acid-binding polymers can have anti-inflammatory properties and beneficial effects in animal models of infection, trauma, cancer, and autoimmunity. PAMAM G3, a polyamidoamine dendrimer, is fully cationic bearing 32 protonable surface amines. Howeve ...
Full textLink to itemCite
Journal ArticleLupus Sci Med · August 2022
OBJECTIVE: We have developed a new conceptual model to characterise the signs and symptoms of SLE: the Type 1 and 2 SLE Model. Within the original model, Type 1 SLE consists of inflammatory manifestations like arthritis, nephritis and rashes; Type 2 SLE in ...
Full textLink to itemCite
Chapter · June 13, 2022
The naming of an illness is an essential element in the care of patients and often depends on laboratory testing. Among tests to evaluate for possible autoimmunity, the antinuclear antibody (ANA) provides information that can be difficult to interpret and, ...
Full textCite
Chapter · June 1, 2022
Antibodies to DNA (anti-DNA) are prototypic autoantibodies found prominently in the sera of patients with systemic lupus erythematosus (SLE). While DNAs from various species likely differ in antigenic structure, anti-DNA antibodies in SLE sera appear to bi ...
Full textCite
Journal ArticleInt J Mol Sci · May 7, 2022
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus, a prototypic autoimmune disease. These antibodies bind to conserved sites on single-stranded and double-stranded DNA and display variable region somatic mutations co ...
Full textLink to itemCite
Journal ArticleAnn Rheum Dis · May 2022
OBJECTIVES: The goals of these studies were to elucidate the inter-relationships of specific anti-nuclear antibody (ANA), complement, and the interferon gene signature (IGS) in the pathogenesis of systemic lupus erythematosus (SLE). METHODS: Data from the ...
Full textLink to itemCite
Journal ArticleLupus · May 2022
OBJECTIVE: We developed a model that categorizes systemic lupus erythematosus (SLE) activity into two dimensions: Type 1 SLE consists of inflammatory activity, including arthritis, nephritis, and rashes; Type 2 SLE includes fatigue, myalgia, mood disturban ...
Full textLink to itemCite
Journal ArticleRheumatology (Oxford) · April 11, 2022
OBJECTIVES: To perform an exploratory study to identify a JDM serum metabolic profile that differs from healthy controls (HCs) and responds to immunosuppressive treatment. METHODS: Blood was collected from 9 HCs and 10 patients diagnosed with probable (n = ...
Full textLink to itemCite
Journal ArticleImmunohorizons · October 8, 2021
Abs to DNA (anti-DNA) are a unique population of Abs that bind structural determinants on the DNA molecule. In systemic lupus erythematosus (SLE), anti-DNA Abs bind to conserved antigenic determinants, with the phosphodiester backbone being the most likely ...
Full textLink to itemCite
Journal ArticleClin Immunol · October 2021
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus. Previous studies have indicated that the phosphodiester backbone is the main antigenic target, with electrostatic interactions important for high avidity. To define ...
Full textLink to itemCite
Journal ArticleAnn Intern Med · September 2021
Yang W, Sun C, He SQ, et al. The efficacy and safety of disease-modifying osteoarthritis drugs for knee and hip osteoarthritis-a systematic review and network meta-analysis. J Gen Intern Med. 2021;36:2085-93. 33846938. ...
Full textLink to itemCite
Journal ArticleInt J Mol Sci · August 19, 2021
DNA is a polymeric macromolecule that can display a variety of backbone conformations. While the classical B-DNA is a right-handed double helix, Z-DNA is a left-handed helix with a zig-zag orientation. The Z conformation depends upon the base sequence, bas ...
Full textLink to itemCite
Journal ArticleRheum Dis Clin North Am · May 2021
Systemic lupus erythematous is a systemic autoimmune disease that can cause severe pain and impair quality of life. Pain in lupus can arise from a variety of mechanisms and is usually assessed in terms of activity and damage. In contrast, categorization of ...
Full textLink to itemCite
Journal ArticleArthritis Care Res (Hoboken) · March 2021
OBJECTIVE: The type 1 and type 2 systemic lupus erythematosus (SLE) categorization system was recently proposed to validate the patients' perspective of disease and to capture a more comprehensive spectrum of symptoms. The objective of this study was to ch ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · October 2020
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by antinuclear antibodies (ANAs) that form immune complexes that mediate pathogenesis by tissue deposition or cytokine induction. Some ANAs bind DNA or associated nucleosom ...
Full textLink to itemCite
Journal ArticleBiointerphases · October 1, 2020
There has been much recent interest in the protein "corona," the nonspecific adsorption of proteins on the surface of nanoparticles used in biological applications. This research investigates an analogous DNA corona. We find that particles (200 nm and 1 μm ...
Full textLink to itemCite
Journal ArticleJ Autoimmun · June 2020
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by antinuclear antibody (ANA) production. ANAs bind to DNA, RNA and complexes of proteins and nucleic acids and are important markers for diagnosis and activity. According ...
Full textLink to itemCite
Journal ArticleSemin Arthritis Rheum · June 2020
Personalized medicine is an important goal for the treatment of rheumatic disease that seeks to improve outcomes by matching therapy more precisely with the underlying pathogenetic disturbances in the individual patient. Realization of this goal requires a ...
Full textLink to itemCite
Thesis Dissertation · May 8, 2020
Antibodies to DNA (anti-DNA) are a canonical marker for systemic lupus erythematosus (SLE), a prototypic autoimmune disease that is most common in young women and has highly variable immunological and clinical manifestations. Anti-DNA antibodies play a key ...
Open AccessCite
Journal ArticleClin Immunol · March 2020
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by immune complexes. Because these complexes contain mitochondrial components, we assessed the presence of antibodies to whole mitochondria (wMITO) using an ELISA in which ...
Full textLink to itemCite
Journal ArticleAutoimmun Rev · December 2019
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease with highly variable clinical and immunological manifestations. In the classification of patients with this condition, the presence of an antinuclear antibody (ANA) is an important eleme ...
Full textLink to itemCite
Journal ArticleRheumatology (Oxford) · December 1, 2019
Immune checkpoint inhibitors are novel biologic agents to treat cancer by inhibiting the regulatory interactions that limit T cell cytotoxicity to tumours. Current agents target either CTLA-4 or the PD-1/PD-L1 axis. Because checkpoints may also regulate au ...
Full textOpen AccessLink to itemCite
Journal ArticleArthritis Rheumatol · September 2019
OBJECTIVE: In the development of novel therapies for systemic lupus erythematosus, antinuclear antibody (ANA) positivity represents a criterion for trial eligibility. Since as many as 30% of patients enrolled in trials have been ANA negative, we evaluated ...
Full textLink to itemCite
Journal ArticleJ Autoimmun · August 2019
Featured Publication
OBJECTIVE: Microparticles (MPs) are small extracellular vesicles released from apoptotic or activated cells through a blebbing process. MPs express surface molecules from their parental cells and they bind IgG to form circulating immune complexes (MP-ICs) ...
Full textLink to itemCite
Journal ArticleF1000Res · 2019
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease whose pathogenesis can be conceptualized by a model based on a central role for immune complexes (ICs) between antinuclear antibodies and nucleic acids. According to this model, ICs can ...
Full textLink to itemCite
Journal ArticleEur J Clin Invest · December 2018
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by the production of antibodies to components of the cell nucleus (antinuclear antibodies or ANAs) and the formation of immune complexes with nuclear antigens. These comple ...
Full textLink to itemCite
Journal ArticleRheumatology (Oxford) · September 1, 2018
Featured Publication
OBJECTIVE: We previously described the multiplex autoantibody SLE-key Rule-Out test, which detects a signature of autoantibody reactivity that distinguishes healthy subjects from SLE patients with 94% sensitivity, 75% specificity and 93% negative predictiv ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · August 9, 2018
BACKGROUND: In the present study, we explored the effects of immediate induction therapy with the anti-tumour necrosis factor (TNF)α antibody infliximab (IFX) plus methotrexate (MTX) compared with MTX alone and with placebo (PL) in patients with very early ...
Full textLink to itemCite
Journal ArticleAnn Rheum Dis · June 2018
Featured Publication
OBJECTIVE: The expression of antinuclear antibodies (ANA) is considered almost constant in systemic lupus erythematosus (SLE), although recent experience has suggested that many subjects with SLE considered for clinical trials are ANA negative at screening ...
Full textLink to itemCite
Journal ArticleMol Ther · April 4, 2018
Featured Publication
Nucleic acid binding polymers (NABPs) have been extensively used as vehicles for DNA and RNA delivery. More recently, we discovered that a subset of these NABPs can also serve as anti-inflammatory agents by capturing pro-inflammatory extracellular nucleic ...
Full textLink to itemCite
Journal ArticleExp Cell Res · February 15, 2018
Featured Publication
Microparticles (MPs) are small membrane-bound vesicles released from activated or dying cells. As shown previously, LPS stimulation of the RAW 264.7 macrophage cell line can induce MP release, with the caspase inhibitor Z-VAD increasing the extent of this ...
Full textLink to itemCite
Journal ArticleFront Immunol · 2018
Featured Publication
Extracellular vesicles (EV) can modulate the responses of cells to toll-like receptor (TLR) ligation; conversely, TLR ligands such as double-stranded RNA (dsRNA) can enhance the release of EV and influence of the composition and functions of EV cargos. Inf ...
Full textLink to itemCite
Journal ArticleJ Extracell Vesicles · 2018
The last decade has seen a sharp increase in the number of scientific publications describing physiological and pathological functions of extracellular vesicles (EVs), a collective term covering various subtypes of cell-released, membranous structures, cal ...
Full textLink to itemCite
Chapter · January 1, 2018
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by diverse clinical manifestations in association with widespread immune cell dysfunction. Because of the complexity of SLE, biomarkers have been important in delineating d ...
Full textCite
Journal ArticlePediatrics · December 2017
Featured Publication
OBJECTIVES: Identifying factors associated with risk for eating disorders is important for clarifying etiology and for enhancing early detection of eating disorders in primary care. We hypothesized that autoimmune and autoinflammatory diseases would be ass ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · August 2017
Featured Publication
Antinuclear antibodies (ANAs) are a diverse group of autoantibodies that recognize nuclear macromolecules and their complexes. ANAs represent key biomarkers in the evaluation of rheumatic diseases, most prominently systemic lupus erythematosus (SLE), and A ...
Full textLink to itemCite
Journal ArticleAdv Protein Chem Struct Biol · 2017
Featured Publication
Chromatin is a highly conserved molecular structure that provides genetic information to regulate cell function. Comprised of DNA, histones and interacting proteins, chromatin is inherently dynamic and subject to remodeling. While usually conceptualized as ...
Full textLink to itemCite
Journal ArticleGene Regul Syst Bio · 2017
Drug-induced liver injury (DILI) remains an adverse event of significant concern for drug development and marketed drugs, and the field would benefit from better tools to identify liver liabilities early in development and/or to mitigate potential DILI ris ...
Full textLink to itemCite
Journal ArticleN C Med J · 2017
Featured Publication
Rheumatoid arthritis is the most common form of inflammatory arthritis. Because of advances in therapy, clinical outcomes have improved dramatically and remission is possible for many patients. These advances have come with many challenges, prompting consi ...
Full textLink to itemCite
Journal ArticleClin Exp Rheumatol · 2017
The Pain Management Task Force of the American College of Rheumatology published a report in 2010 highlighting pain management as a fundamental aspect of clinical practice, training and research. In the interim, the consideration of pain as a focus of atte ...
Link to itemCite
Journal ArticleSci Rep · October 25, 2016
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by circulating autoantibodies and the formation of immune complexes. In these responses, the selecting self-antigens likely derive from the remains of dead and dying cells, ...
Full textLink to itemCite
Journal ArticleAnn Rheum Dis · August 2016
Improvements in the control of inflammation in rheumatoid arthritis (RA) by conventional synthetic and biologic disease-modifying antirheumatic drugs (DMARDs) have led to a substantial change in the clinical outcomes of patients during the last 30 years. C ...
Full textLink to itemCite
Journal ArticleClin Endocrinol (Oxf) · May 2016
Featured Publication
OBJECTIVE: Graves' disease (GD) is an autoimmune disease characterized by the presence of circulating autoantibodies against thyroid-stimulating hormone (TSH) receptor. Despite extensive research, the pathogenic mechanisms remain unclear. Immune responses ...
Full textLink to itemCite
Journal ArticleClin Ther · May 2016
Featured Publication
PURPOSE: The communication of cell injury and death is a critical element in host defense. Although immune cells can serve this function by elaborating cytokines and chemokines, somatic cells can repurpose nuclear macromolecules to function as damage-assoc ...
Full textLink to itemCite
Journal ArticleClin Immunol · May 2016
Featured Publication
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus. These antibodies can bind DNA avidly by monogamous bivalency, a mechanism which requires the interaction of both Fab combining regions with antigenic determinants on ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · February 2016
Featured Publication
Antibodies that recognize and bind to DNA (anti-DNA antibodies) are serological hallmarks of systemic lupus erythematosus (SLE) and key markers for diagnosis and disease activity. In addition to common use in the clinic, anti-DNA antibody testing now also ...
Full textLink to itemCite
Journal ArticlePLoS One · 2016
Antibodies to nuclear antigens (antinuclear antibodies or ANAs) are the serological hallmark of systemic lupus erythematosus (SLE). These antibodies bind diverse nuclear antigens that include DNA, histones and non-histone proteins as well as complexes of p ...
Full textLink to itemCite
Journal ArticleTher Innov Regul Sci · November 2015
Featured Publication
The field of oligonucleotide (OGN)-based therapeutics has been growing dramatically in the past decade, providing innovative platforms to develop agents for the treatment of a wide variety of clinical conditions. OGN agents have unique physicochemical prop ...
Full textLink to itemCite
Journal ArticleScand J Immunol · September 2015
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by the production of antinuclear antibodies (ANAs) in association with systemic inflammation and organ damage. In addition to genetic factors, a contribution of infection t ...
Full textLink to itemCite
Journal ArticlePlatelets · 2015
Featured Publication
CD40 ligand (CD40L) is a transmembrane protein that is mainly expressed on activated T cells and platelets. This protein, however, may also be shed from cells and circulate in the blood in a soluble form. "Soluble CD40L" has attracted interest as a biomark ...
Full textLink to itemCite
Journal ArticleArthritis Care Res (Hoboken) · December 2014
Featured Publication
OBJECTIVE: To identify in a Delphi exercise of international systemic lupus erythematosus (SLE) experts and a systematic literature review the most relevant concepts that impact on the functioning of SLE patients. METHODS: Sixty SLE experts participated in ...
Full textLink to itemCite
Journal ArticleAutoimmunity · December 2014
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by the production of antinuclear antibodies (ANA) in association with protean clinic manifestations. ANA can bind to nuclear molecules, most prominently DNA and histones in ...
Full textLink to itemCite
Journal ArticleClin Immunol · October 2014
Featured Publication
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus and markers of underlying immune system disturbances. These antibodies bind to both single-stranded and double-stranded DNA, mediating pathogenesis by forming immune ...
Full textLink to itemCite
Journal ArticleCytokine · September 2014
Featured Publication
Anorexia nervosa (AN) is a serious, potentially life-threatening disorder characterized by severe weight loss, dysregulated eating, and often excessive exercise. While psychiatric illnesses such as depression are associated with increased levels of pro-inf ...
Full textLink to itemCite
Journal ArticleScand J Immunol · August 2014
Featured Publication
HMGB1 is a highly conserved nuclear protein that displays important biological activities inside as well as outside the cell and serves as a prototypic alarmin to activate innate immunity. The translocation of HMGB1 from inside to outside the cell occurs w ...
Full textLink to itemCite
Journal ArticleClin Immunol · July 2014
Featured Publication
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus (SLE). To elucidate specificity further, the effect of polyamines on the binding of anti-DNA antibodies from patients with lupus was tested by ELISA to calf thymus (C ...
Full textLink to itemCite
Journal ArticleMol Med · April 1, 2014
Featured Publication
High mobility group box protein 1 (HMGB1) is a nonhistone nuclear protein that is a prototypic alarmin that can stimulate innate immunity and drive the pathogenesis of a wide range of inflammatory diseases. While HMGB1 can be released from both activated a ...
Full textLink to itemCite
Journal ArticleInnate Immun · April 2014
Featured Publication
Microparticles (MPs) are small, membrane-bound vesicles that arise from dead and dying cells, and display pro-inflammatory and pro-thrombotic activity. As shown previously, the RAW 264.7 murine macrophage cell line can release MPs following stimulation wit ...
Full textLink to itemCite
Journal ArticleMol Med · March 24, 2014
Featured Publication
High-mobility group box 1 (HMGB1) protein is a highly abundant protein that can promote the pathogenesis of inflammatory and autoimmune diseases once it is in an extracellular location. This translocation can occur with immune cell activation as well as ce ...
Full textLink to itemCite
Journal ArticleAntioxid Redox Signal · March 1, 2014
SIGNIFICANCE: Inflammation is a complex biological process that represents the body's response to infection and/or injury. Endogenous molecules that induce inflammation are called death- or damage-associated molecular patterns (DAMPs). Among cellular const ...
Full textLink to itemCite
Journal ArticlePLoS One · 2014
Featured Publication
BACKGROUND: Cigarette smoking, both active and passive, is one of the leading causes of morbidity and mortality in cardiovascular disease. To assess the impact of brief smoking on the vasculature, we determined levels of circulating endothelial progenitor ...
Full textLink to itemCite
Journal ArticleEur J Immunol · December 2013
Featured Publication
Histones are highly cationic proteins that are essential components of the cell nucleus, interacting with DNA to form the nucleosome and regulating transcription. Histones, however, can transit from the cell nucleus during cell death and, once in an extrac ...
Full textLink to itemCite
Journal ArticlePsychiatry Res · November 30, 2013
Featured Publication
We examined gene expression in the blood of six females with anorexia nervosa (AN) before and after weight restoration using RNAseq. AN cases (aged 19-39) completed clinical assessments and had blood drawn for RNA at hospital admission (T1,<~75% ideal body ...
Full textLink to itemCite
Chapter · September 1, 2013
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by the production of antinuclear antibodies (ANAs). These antibodies can bind protein and nucleic acid components of the cell nucleus to form immune complexes to drive path ...
Full textCite
Journal ArticleAnn Rheum Dis · September 1, 2013
OBJECTIVE: While increased disease activity is the best predictor of preterm birth in women with systemic lupus erythematosus (SLE), even women with low disease activity are at increased risk of this complication. Biomarkers that would identify at-risk pre ...
Full textLink to itemCite
Journal ArticleAutoimmunity · August 2013
The extracellular release of nuclear molecules occurs prominently during cell death and can determine the immune properties of dead and dying cells. Depending on inciting events and environmental conditions, cells can die by apoptosis or necrosis, although ...
Full textLink to itemCite
Journal ArticleJ Orthop Res · August 2013
Post-traumatic arthritis (PTA) frequently develops after intra-articular fracture of weight bearing joints. Loss of cartilage viability and post-injury inflammation have both been implicated as possible contributing factors to PTA progression. To further i ...
Full textLink to itemCite
Journal ArticleScand J Immunol · August 2013
Featured Publication
Microparticles (MPs) are small membrane-bound vesicles that arise from activated and dying cells and promote inflammation and thrombosis. To characterize the in vivo release of MPs, we used flow cytometry to measure MPs in the blood of 15 healthy volunteer ...
Full textLink to itemCite
Journal ArticleScand J Immunol · August 2013
Featured Publication
Microparticles (MPs) are small membrane-bound vesicles with potent biological activities that can promote the pathogenesis of rheumatoid arthritis and systemic lupus erythematosus (SLE). These particles contain diverse cellular components and are shed from ...
Full textLink to itemCite
Journal ArticleImmunol Res · July 2013
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus and represent important biomarkers for clinical and research purposes. These antibodies are part of a family of antibodies to nucleosomes and bind to conserved sites ...
Full textLink to itemCite
Journal ArticleClin Immunol · January 2013
Systemic lupus erythematosus is a systemic inflammatory disease characterized by antibodies to nuclear molecules in association with immune complex deposition. As shown previously, microparticles (MPs), which are small membrane-bound vesicles released from ...
Full textLink to itemCite
Journal ArticleRheumatology (Oxford) · October 2012
Microparticles (MPs) are small membrane-bound vesicles that arise from activated and dying cells and enter the blood to display pro-inflammatory and pro-thrombotic activities. MPs are 0.1-1.0 μm in size and incorporate nuclear, cytoplasmic and membrane mol ...
Full textLink to itemCite
Journal ArticleInnate Immun · October 2012
In innate immunity, dead and dying cells release internal constituents that can serve as damage-associated molecular patterns (DAMPs) or alarmins. This release occurs more abundantly during necrosis than apoptosis and may account for the differences in the ...
Full textLink to itemCite
Journal ArticleScand J Immunol · September 2012
Antinuclear antibodies (ANAs) are a diverse group of autoantibodies that bind macromolecular components of the cell nucleus. While some ANAs occur in normal individuals, others are expressed almost exclusively in patients with rheumatic disease and serve a ...
Full textLink to itemCite
Journal ArticleClin Pharmacol Ther · August 2012
Heparins have been reported to cause elevations in serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) but have not been associated with clinically significant liver injury. The mechanisms underlying these benign laboratory abnormalit ...
Full textLink to itemCite
Journal ArticleClin Immunol · July 2012
DNA is a polymeric macromolecule whose biological activities depend on location as well as binding to associated molecules. Inside the cell, DNA is the source of genetic information and binds histones to form nucleosomes. DNA can exit the cell, however, to ...
Full textLink to itemCite
Journal ArticleBest Pract Res Clin Rheumatol · April 2012
The inflammatory arthritides are a diverse group of conditions characterised by joint inflammation which can lead to pain, deformity and disability. Of these diseases, rheumatoid arthritis (RA) and spondyloarthritis are two of the most common. While the cl ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · March 14, 2012
High-mobility group box 1 protein (HMGB1) is a prototypic alarmin that is released from activated and dying cells. Because of its proinflammatory activities, HMGB1 could mediate key events in the pathogenesis of systemic lupus erythematosus, a possibility ...
Full textLink to itemCite
Journal ArticleInnate Immun · February 2012
Featured Publication
Lipopolysaccharide is a major component of the cell wall of Gram-negative bacteria and a potent stimulator of innate immune response via TLR4. Studies on the LPS action both in vivo and in vitro have used different preparations of LPS, including ultra-pure ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · January 31, 2012
HMGB1 is a non-histone nuclear protein that can serve as an alarmin to drive the pathogenesis of inflammatory and autoimmune disease. Although primarily located in the cell nucleus, HMGB1 can translocate to the cytoplasm, as well as the extracellular space ...
Full textLink to itemCite
Journal ArticlePLoS One · 2012
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus (SLE) and can mediate disease pathogenesis by the formation of immune complexes. Since blocking immune complex formation can attenuate disease manifestations, the eff ...
Full textLink to itemCite
Journal ArticleAntioxid Redox Signal · October 15, 2011
In a wide variety of diseases, cell death represents both an outcome and an important step in pathogenesis. This duality occurs because cell death leads to the extracellular release of molecules and structures that can potently induce the innate immune sys ...
Full textLink to itemCite
Journal ArticleJ Thorac Oncol · October 2011
INTRODUCTION: Lung cancers can display immune cell infiltration although the role of an adaptive immune response in disease pathogenesis is unknown. To investigate the possibility of a functional humoral response to the tumor, we surveyed histologic sectio ...
Full textLink to itemCite
Journal ArticleMol Immunol · September 2011
Toll-like receptors (TLRs) are key receptors in innate immunity and trigger responses following interaction with pathogen-associated molecular patterns (PAMPs). TLR3, TLR4 and TLR9 recognize double stranded RNA, lipopolysaccharide (LPS) and CpG DNA, respec ...
Full textLink to itemCite
Journal ArticleClin Vaccine Immunol · September 2011
Microparticles (MPs) are small membrane-bound vesicles that display proinflammatory and prothrombotic properties. These particles can be released by macrophages stimulated by ligands of the Toll-like receptors (TLRs) in a process that depends on nitric oxi ...
Full textLink to itemCite
Journal ArticleProc Natl Acad Sci U S A · August 23, 2011
Dead and dying cells release nucleic acids. These extracellular RNAs and DNAs can be taken up by inflammatory cells and activate multiple nucleic acid-sensing toll-like receptors (TLR3, 7, 8, and 9). The inappropriate activation of these TLRs can engender ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · August 2, 2011
B-cell-directed therapy-the use of agents that eliminate B cells or block cytokines important for B-cell function-is emerging as a promising approach to the treatment of rheumatic disease. Target diseases, including systemic lupus erythematosus (SLE), disp ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · July 2011
Featured Publication
OBJECTIVE: Systemic sclerosis (SSc) is an autoimmune disease marked by aberrant activation and apoptosis of endothelial cells (ECs) and decreased numbers of circulating angiogenic cells (CACs). The aim of this study was to analyze whether microparticles mi ...
Full textLink to itemCite
Journal ArticleJ Autoimmun · May 2011
Featured Publication
Systemic lupus erythematosus is a prototypic autoimmune disease characterized by antibodies to DNA and other nuclear molecules. While these antibodies can form immune complexes, the mechanisms generating the bound nuclear antigens are not known. These stud ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · April 21, 2011
Antinuclear antibodies (ANAs) are venerable biomarkers for assessing the diagnosis and prognosis of patients with autoimmunity. While closely associated with diseases such as systemic lupus erythematosus, ANA expression occurs commonly in healthy people. T ...
Full textLink to itemCite
Journal ArticleImmunol Res · April 2011
Featured Publication
Microparticles are small membrane-bound vesicles that display pro-inflammatory and pro-thrombotic activities important in the pathogenesis of a wide variety of diseases. These particles are released from activated and dying cells and incorporate nuclear an ...
Full textLink to itemCite
Chapter · January 1, 2011
The term physician-scientist is one of those compound words that have been created to unite disparate elements. Our language has others: student-athlete, warrior-statesman, and player-coach. The hyphen is a convenient way to keep the words together, but th ...
Full textCite
Journal ArticleSwiss Med Wkly · 2011
Cell death is a ubiquitous process whose immunological consequences can influence the course of infectious, autoimmune and inflammatory diseases. While cell death has long been dichotomised in terms of apoptosis and necrosis, other forms of death can occur ...
Full textLink to itemCite
Journal ArticleAutoimmun Rev · November 2010
Featured Publication
Systemic lupus erythematosus (SLE) is prototypic autoimmune disease characterized by the production of autoantibodies to DNA among other nuclear molecules. These antibodies can form immune complexes that promote pathogenesis by stimulating cytokine product ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · June 2010
Featured Publication
Nucleic acids represent the main source of autoantigens in systemic lupus erythematosus (SLE). DNA and RNA can exit the cell during cell death and, in the extracellular space, can be immunostimulatory. Also extracellularly, DNA and RNA can be incorporated ...
Full textLink to itemCite
Journal ArticleJ Leukoc Biol · June 2010
Featured Publication
MPs are small membrane-bound particles that originate from activated and dying cells and mediate intercellular communication. Once released from cells, MPs can serve as novel signaling elements in innate immunity, with levels elevated in immune-mediated di ...
Full textLink to itemCite
Journal ArticleApoptosis · May 2010
Featured Publication
Microparticles (MPs) are small membrane-bound vesicles released from cells undergoing activation or cell death. These particles display potent biological activities that can impact on physiologic and pathologic processes. Previous studies with the Jurkat T ...
Full textLink to itemCite
Journal ArticleCytometry A · March 2010
Featured Publication
Microparticles (MPs) are small membrane-bound vesicles that are released from activated or dying cells by a blebbing process. These particles contain nuclear and cytoplasmic components and represent unique biomarkers for disease. The small size of particle ...
Full textLink to itemCite
Journal ArticleFASEB J · February 2010
Featured Publication
Idiopathic inflammatory myopathies (IIMs) are heterogeneous rheumatic disorders of unknown cause characterized by muscle weakness, inflammatory cell infiltrates, and major histocompatibility complex (MHC) class I expression on muscle fibers. The nonhistone ...
Full textLink to itemCite
Journal ArticleNat Rev Rheumatol · January 2010
Featured Publication
Microparticles (MPs) are small membrane-bound vesicles that are emerging as important elements in the pathogenesis of rheumatic diseases owing to their pleiotropic effects on thrombosis, vascular reactivity, angiogenesis and inflammation. Released from cel ...
Full textLink to itemCite
Journal ArticleLupus · November 2009
Featured Publication
Antibodies to DNA (anti-DNA) are the serological hallmark of systemic lupus erythematosus (SLE) and unique markers of the immunological disturbances critical to disease pathogenesis. In the form of immune complexes, anti-DNA autoantibodies can deposit in t ...
Full textLink to itemCite
Journal ArticleScand J Immunol · September 2009
Featured Publication
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by the expression of antibodies to DNA. These antibodies form immune complexes that can stimulate cytokine production as well as deposit in the tissues to incite inflammati ...
Full textLink to itemCite
Journal ArticleAutoimmunity · May 2009
Featured Publication
High-mobility group box protein 1 (HMGB1) is a non-histone nuclear protein with alarmin activity. When present in an extracellular location, HMGB1 can activate the innate immune system and promote inflammation in conditions such as sepsis. To exert these a ...
Full textLink to itemCite
Journal Article · April 29, 2009
High-mobility group box 1 (HMGB1) functions as an alarmin following release from activated or necrotic cells and mediates inflammation. Translocation and extracellular release ofHMGB1can also occur during apoptosis. This translocation ofHMGB1from the nucle ...
Full textCite
Journal ArticleJ Clin Invest · April 2009
Featured Publication
Studies in humans and animal models indicate a key contribution of angiotensin II to the pathogenesis of glomerular diseases. To examine the role of type 1 angiotensin (AT1) receptors in glomerular inflammation associated with autoimmune disease, we genera ...
Full textLink to itemCite
Journal ArticleExp Cell Res · March 10, 2009
Featured Publication
Microparticles are small membrane-bound vesicles that are released from apoptotic cells during blebbing. These particles contain DNA and RNA and display important functional activities, including immune system activation. Furthermore, nucleic acids inside ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · 2009
Featured Publication
Microparticles are small membrane-bound vesicles released from activated and dying cells. As shown in a study of primary Sjogren's syndrome, systemic lupus erythematosus and rheumatoid arthritis, levels of microparticles in the blood, as measured by a soli ...
Full textLink to itemCite
Journal ArticleAutoimmun Rev · October 2008
The autoimmune diseases are a diverse group of conditions characterized by abnormal B and T cell reactivity in association with autoantibody production. Among these diseases, systemic lupus erythematosus (SLE) is notable for the expression of antibodies to ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · September 2008
OBJECTIVE: Microparticles are small, membrane-coated vesicles that can serve as novel signaling structures between cells. The aim of the present study was to analyze the profile of microparticles in the blood of patients with systemic sclerosis (SSc; scler ...
Full textLink to itemCite
Journal ArticleJ Virol · August 2008
The death of CD4(+) CCR5(+) T cells is a hallmark of human immunodeficiency virus (HIV) infection. We studied the plasma levels of cell death mediators and products--tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL), Fas ligand, TNF rec ...
Full textLink to itemCite
Journal ArticleMol Immunol · April 2008
High mobility group protein 1 (HMGB1) is a non-histone nuclear protein that can activate innate immunity when in an extracellular location. As shown in in vitro studies, while polyinosinic-polycytidylic acid [poly (I:C)] and LPS, TLR3 and TLR4 ligands, res ...
Full textLink to itemCite
Journal ArticleBiomarkers · March 2008
The goal of these investigations was to measure levels of DNA in the plasma of mice following administration of hepatotoxic agents to induce apoptotic or necrotic cell death and determine any differences in the release of this marker depending upon death p ...
Full textLink to itemCite
Journal ArticleJ Leukoc Biol · January 2008
Gold compounds such as gold sodium thiomalate (GST) can reduce the symptoms of rheumatoid arthritis (RA), although their mechanism of action is not well defined. As the proinflammatory mediator high mobility group box chromosomal protein 1 (HMGB1) may play ...
Full textLink to itemCite
Journal ArticleMod Rheumatol · 2008
Cell death is critical to normal homeostasis, although this process, when increased aberrantly, can lead to the production of pro-inflammatory mediators promoting autoimmunity. Two novel intercellular mediators of inflammation generated during cell death a ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · 2008
Systemic lupus erythematosus is a systemic autoimmune disease characterized by the production of antinuclear antibodies (ANAs). Recent research into human and murine lupus suggests that disease susceptibility results from genetic polymorphisms regulating i ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · 2008
High-mobility group box protein 1 (HMGB1) is a non-histone nuclear protein that has a dual function. Inside the cell, HMGB1 binds DNA, regulating transcription and determining chromosomal architecture. Outside the cell, HMGB1 can serve as an alarmin to act ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · November 2007
OBJECTIVE: Microparticles are small vesicles that are released from activated or dying cells and that occur abundantly in the synovial fluid of patients with rheumatoid arthritis (RA). The goal of these studies was to elucidate the mechanisms by which micr ...
Full textLink to itemCite
Journal ArticleHealth Psychol · November 2007
The arthritic diseases are major sources of pain or disability, although they differ in etiology and treatment approach. For diseases such as RA, inflammation is the predominant mechanism that leads to systemic complaints such as pain as well as local dest ...
Full textLink to itemCite
Journal ArticleAnn N Y Acad Sci · August 2007
HMGB1 is a nonhistone nuclear protein that can serve as a cytokine and activate innate immunity. The translocation of this molecule from the inside to the outside of cells is a critical event in inflammation, occurring following activation of certain Toll- ...
Full textLink to itemCite
Journal ArticleProc Am Thorac Soc · July 2007
Nuclear macromolecules, in addition to their intracellular role in regulating cell function, can translocate into the extracellular space where they can activate innate immunity. This translocation can occur in various settings and reflects the dynamic nat ...
Full textLink to itemCite
Journal ArticleAutoimmunity · June 2007
DNA is a nuclear molecule that has both an intracellular and extracellular role. Inside the cell, it is the essential molecule of heredity while outside the cell it can have immunological activity, both alone and in the context of immune complexes. Further ...
Full textLink to itemCite
Journal ArticleJ Immunol · May 15, 2007
High-mobility group protein 1 (HMGB1) is a nonhistone nuclear protein whose function depends on cellular location. Inside the cell, HMGB1 modulates a variety of important cellular processes, including transcription, whereas outside the cell, HMGB1 acts as ...
Full textLink to itemCite
Journal ArticleCurr Opin Rheumatol · May 2007
PURPOSE OF REVIEW: Rheumatoid arthritis is a chronic inflammatory disease in which early aggressive therapy with disease-modifying antirheumatic drugs can improve outcome and prevent joint damage. While such therapy is effective, its application can be lim ...
Full textLink to itemCite
Journal ArticleAnn Rheum Dis · April 2007
In preparation for randomised controlled trials (RCTs) of disease-modifying antirheumatic drugs in patients with early inflammatory arthritis (EIA), formative research was conducted to enhance the design of such trials. The objectives of this research were ...
Full textLink to itemCite
Journal ArticleApoptosis · February 2007
Microparticles are membrane-derived vesicles that are released from cells during activation or cell death. These particles can serve as mediators of intercellular cross-talk and induce a variety of cellular responses. Previous studies have shown that macro ...
Full textLink to itemCite
Journal ArticleCancer Res · January 1, 2007
Depletion of CD4+CD25+ regulatory T cells (Treg) by treatment with alphaCD25 antibody synergizes with vaccination protocols to engender protective immunity in mice. The effectiveness of targeting CD25 to eliminate Treg is limited by the fact that CD25, the ...
Full textLink to itemCite
Journal ArticleScand J Immunol · 2007
Microparticles (MP) are small membrane-bound vesicles that circulate in the peripheral blood and play active roles in thrombosis, inflammation and vascular reactivity. While MP can be released from nearly every cell type, most investigation has focused on ...
Full textLink to itemCite
Journal ArticleNat Clin Pract Rheumatol · January 2007
High-mobility group protein 1 (HMG1) is a nonhistone nuclear protein that is a prototype of a dual-function alarmin whose immune activity is dependent upon its cellular location. Inside the cell, HMG1 binds to DNA and has a role in transcriptional regulati ...
Full textLink to itemCite
Journal ArticleAutoimmunity · December 2006
Microparticles are a heterogeneous population of membrane-coated vesicles which can be released from virtually all cell types during activation or apoptosis. Release occurs from the cell surface in an exogenous budding process involving local rearrangement ...
Full textLink to itemCite
Journal ArticleAm J Physiol Cell Physiol · December 2006
High mobility group box 1 protein (HMGB1) is a non-histone nuclear protein with dual function. Inside the cell, HMGB1 binds DNA and regulates transcription, whereas outside the cell, it serves as a cytokine and mediates the late effects of LPS. The movemen ...
Full textLink to itemCite
Journal ArticleScand J Immunol · September 2006
DNA is a large macromolecule that plays a central role in the pathogenesis of systemic lupus erythematosus (SLE), serving as a target antigen of autoantibodies as well as a major component of immune complexes. These complexes can both promote immune distur ...
Full textLink to itemCite
Journal ArticleJ Immunol · September 1, 2006
High mobility group protein 1 (HMGB1) is a nonhistone nuclear protein with a dual function. Inside the cell, HMGB1 binds to DNA and modulates a variety of processes, including transcription. Outside the cell, HMGB1 displays cytokine activity and can promot ...
Full textLink to itemCite
Journal ArticleArthritis Res Ther · 2006
Nitric oxide (NO) may play important roles in rheumatoid arthritis (RA). RA is an inflammatory disease involving joints and other systems including salivary glands. To assess NO production in RA patients, we compared levels of serum, urine, and salivary ni ...
Full textLink to itemCite
Journal ArticleMethods Mol Med · 2006
DNA vaccination represents a novel and potentially important approach to induce immune responses against protein antigens. In this approach, the vaccine is a plasmid DNA vector that can be taken up by cells to produce a protein, encoded by the vector, to b ...
Full textLink to itemCite
Journal ArticleBull NYU Hosp Jt Dis · 2006
Rheumatology has made remarkable advances in patient treatment in the past decade related to the impressive array of new drugs that have been approved or are undergoing clinical trial. While this situation should engender optimism for the future, concerns ...
Link to itemCite
Journal ArticleLupus · 2006
The World Health Organization's International Classification of Function (ICF) is a tool to characterize and illuminate better the full of array of problems a patient faces when affected by disease. Specifying these problems is a particular challenge in a ...
Full textLink to itemCite
Journal ArticleClin Immunol · 2006
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by antibodies to DNA (anti-DNA). Although these antibodies have features of antigen drive, the source of this DNA is not defined. To assess the potential role of foreign an ...
Full textLink to itemCite
Journal ArticleJ Leukoc Biol · October 2005
DNA containing cytosine-guanine dinucleotide (CpG) motifs (CpG DNA) has potent immunostimulatory activities that resemble those of lipopolysaccharide (LPS) in its effects on the innate immune system. Among its activities, LPS can induce the release of high ...
Full textLink to itemCite
Journal ArticleOsteoarthritis Cartilage · October 2005
OBJECTIVES: Articular cartilage is an avascular tissue that exists at low oxygen tension. Oxygen tension can influence the production of the pro-inflammatory mediators nitric oxide (NO) and prostaglandin E2 (PGE(2)) in cartilage, which are increased in ost ...
Full textLink to itemCite
Journal ArticleApoptosis · August 2005
Microparticles are small membrane vesicles released from the cell membrane by exogenous budding. To elucidate the interactions of microparticles with macrophages, the effect of microparticles released from Jurkat T cells on RAW 264.7 cells was determined. ...
Full textLink to itemCite
Journal ArticleClin Diagn Lab Immunol · August 2005
Lipopolysaccharide (LPS) causes apoptotic deletion of CD4(+) CD8(+) thymocytes, a phenomenon that has been linked to immune dysfunction and poor survival during sepsis. Given the abundance of thromboxane-prostanoid (TP) receptors in CD4(+) CD8(+) thymocyte ...
Full textLink to itemCite
Journal ArticleImmunology · May 2005
Cell death is a ubiquitous process that occurs by apoptosis or necrosis depending on the triggering event. While apoptotic and necrotic cells differ biochemically, both are cleared by macrophages for elimination. The process is very efficient, although DNA ...
Full textLink to itemCite
Journal ArticleJ Leukoc Biol · March 2005
To assess the effects of inflammation on the generation of circulating DNA from dead and dying cells, plasma DNA levels were determined in BALB/c mice, administered apoptotic or necrotic Jurkat cells following induction of peritonitis by treatment with thi ...
Full textLink to itemCite
Journal ArticleProc Natl Acad Sci U S A · February 22, 2005
Rheumatoid arthritis is a chronic inflammatory disease characterized by destruction of cartilage and bone that is mediated by synovial fibroblasts. To determine the mechanisms by which these cells are activated to produce matrix metalloproteinases (MMPs), ...
Full textLink to itemCite
Journal ArticleOsteoarthritis Cartilage · December 2004
OBJECTIVES: Cells of the knee meniscus respond to changes in their biochemical and biomechanical environments with alterations in the biosynthesis of matrix constituents and inflammatory mediators. Tumor necrosis factor alpha (TNF-alpha) is a pro-inflammat ...
Full textLink to itemCite
Journal ArticleAutoimmun Rev · November 2004
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by the production of antinuclear antibodies (ANA). These antibodies target a wide variety of antigens whose presence in an immunologically active form may result from cell ...
Full textLink to itemCite
Journal ArticleNat Immunol · October 2004
Members of the Toll-like receptor (TLR) family are key regulators of both innate and adaptive immune responses. The function of TLRs in various human diseases has been investigated by comparison of the incidence of disease among people having different pol ...
Full textLink to itemCite
Journal ArticleRheum Dis Clin North Am · August 2004
DNA circulates in the blood in systemic lupus erythematosus, among other conditions, and plays a role in immunopathogenesis in the form of immune complexes. As shown in experiments in mice, blood DNA levels rise following treatments to induce apoptosis and ...
Full textLink to itemCite
Journal ArticleClin Orthop Relat Res · June 2004
Osteoarthritis is a painful and debilitating disease characterized by progressive degenerative changes in the articular cartilage and other joint tissues. Biomechanical factors play a critical role in the initiation and progression of this disease, as evid ...
Full textLink to itemCite
Journal ArticleBiochem Biophys Res Commun · May 21, 2004
Bacterial DNA and synthetic oligodeoxynucleotides (ODN) containing unmethylated CpG motifs (CpG DNA) can potently stimulate innate immunity. While the actions of CpG DNA resemble those of LPS, these molecules stimulate distinct Toll-like receptors as well ...
Full textLink to itemCite
Journal ArticleAm J Pathol · May 2004
To determine the effects of glucocorticoids on the clearance of apoptotic and necrotic cells, the influence of dexamethasone on plasma levels of DNA was assessed in BALB/c mice receiving Jurkat cells treated with etoposide or ethanol. In untreated mice, ad ...
Full textLink to itemCite
Journal ArticleCell Immunol · May 2004
Bacterial DNA can stimulate the production of cytokines and nitric oxide (NO), while mammalian DNA can block these responses. If mammalian DNA is transfected into macrophages, however, it can stimulate NO production, without inducing IL-12. To define furth ...
Full textLink to itemCite
Journal ArticleScand J Immunol · 2004
DNA is a nuclear macromolecule that circulates in the blood where its levels can reflect the activity of inflammatory and malignant diseases. While dead and dying cells have usually been considered the source of blood DNA, the mechanisms for its release du ...
Full textLink to itemCite
Journal ArticleClin Immunol · December 2003
To elucidate the role of DNA antigen drive in the anti-DNA response, the specificity and immunochemical properties of anti-DNA antibodies induced in normal mice by immunization with double stranded (ds) mammalian DNA with a CpG oligonucleotide (ODN) adjuva ...
Full textLink to itemCite
Journal ArticleBlood · September 15, 2003
After apoptosis or necrosis, macrophages clear dead cells by phagocytosis. Although this process is efficient, circulating nucleosomes can occur in certain diseases, presumably reflecting either increased production or impaired clearance. To investigate th ...
Full textLink to itemCite
Journal ArticleCurr Rheumatol Rep · August 2003
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by B cell hyperactivity in association with autoantibodies, most prominently those directed to components of the cell nucleus. The source of the antigens that drive B cell ...
Full textLink to itemCite
Journal ArticleJ Appl Physiol (1985) · July 2003
The meniscus is an intra-articular fibrocartilaginous structure that serves essential biomechanical roles in the knee. With injury or arthritis, the meniscus may be exposed to significant changes in its biochemical and biomechanical environments that likel ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · June 15, 2003
OBJECTIVE: To evaluate the informed consent process for a clinical trial of intravenous doxycycline for rheumatoid arthritis. METHODS: Participants completed a self-administered questionnaire about the consent process at baseline and 16 weeks following enr ...
Full textLink to itemCite
Journal ArticleImmunology · June 2003
DNA, depending on base sequence, can induce a wide range of immune responses. While bacterial DNA is stimulatory, mammalian DNA is inactive alone and can, moreover, inhibit the response to bacterial DNA. To determine whether the mode of cell entry affects ...
Full textLink to itemCite
Journal ArticleScand J Immunol · June 2003
Antibodies to DNA (anti-DNA) play an important role in the pathogenesis of systemic lupus erythematosus (SLE). In blood, these antibodies may exist in a free, unbound state or as part of complexes with DNA. Furthermore, circulating DNA may be either comple ...
Full textLink to itemCite
Journal ArticleCurr Opin Mol Ther · April 2003
Bacterial DNA and oligonucleotides containing unmethylated CpG dinucleotides (CpG DNA) can stimulate immune responses and have potential for use as novel agents to enhance immunogenicity. CpG DNA can interact with toll-like receptor 9 and cause activation ...
Link to itemCite
Journal ArticleArthritis Rheum · April 2003
OBJECTIVE: A number of non-HLA loci that have shown evidence (P < 0.05) for linkage with rheumatoid arthritis (RA) have been previously identified. The present study attempts to confirm these findings. METHODS: We performed a second genome-wide screen of 2 ...
Full textLink to itemCite
Journal ArticleClin Immunol · February 2003
Nucleosomes occur in the blood of patients with systemic lupus erythematosus and are thought to result from in vivo cell death. To determine the conditions for the release of nucleosomes into the blood, normal mice were treated with four agents that have t ...
Full textLink to itemCite
Journal ArticleJ Leukoc Biol · December 2002
Depending on sequence and backbone structure, DNA can inhibit as well as stimulate immune responses. As previously shown, single-base phosphorothioate (Ps) oligodeoxynucleotides (ODN) can inhibit murine macrophage activation. To determine whether these com ...
Link to itemCite
Journal ArticleOsteoarthritis Cartilage · October 2002
OBJECTIVE: Biomechanical signals play important roles in regulating the homeostasis of articular cartilage, but under abnormal conditions may be a critical factor in the onset and progression of arthritis. Prostaglandin E(2) (PGE(2)) and nitric oxide (NO), ...
Full textLink to itemCite
Journal ArticleJ Leukoc Biol · April 2002
Synthetic 30-mer phosphorothioate (Ps) oligonucleotides (ODN) comprised of single bases (SdA30, SdC30, SdG30, and SdT30) were assessed for their effects on nitric oxide (NO) production by murine bone marrow macrophages (BMMC) and macrophage cell lines J774 ...
Link to itemCite
Journal ArticleArthritis Rheum · April 2002
OBJECTIVE: Articular cartilage is an avascular tissue that functions at a lower oxygen tension than do most tissues. With mobilization, arthritic joints may undergo cycles of hypoxia and reoxygenation. The goal of this study was to determine the effects of ...
Full textLink to itemCite
Journal ArticleScand J Immunol · December 2001
Phosphorothioate oligodeoxynucleotides (sODNs) can induce T-cell-independent polyclonal activation of human B cells by a mechanism that depends on both sequence and back-bone structure. Because matrix-bound as well as soluble sODNs are mitogenic, this stim ...
Full textLink to itemCite
Journal ArticleInfect Immun · December 2001
Depending on sequence, bacterial and synthetic DNAs can activate the host immune system and influence the host response to infection. The purpose of this study was to determine the abilities of various phosphorothioate oligonucleotides with cytosine-guanos ...
Full textLink to itemCite
Journal ArticleIsr Med Assoc J · November 2001
Antibodies to DNA occur prominently in systemic lupus erythematosus and have been extensively studied as probes for underlying immune disturbances. These antibodies have features of DNA antigen drive. While previous models for this response posited DNA as ...
Link to itemCite
Journal ArticleInfect Immun · September 2001
To elucidate the mechanisms of immunostimulation by bacterial DNA and synthetic oligonucleotides, the effects of heat shock protein 90 (Hsp90) inhibitors on the activation of murine spleen cells and macrophages by these molecules were investigated. Murine ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · September 2001
OBJECTIVE: In osteoarthritis (OA), a combination of biochemical and biomechanical factors may damage both menisci and articular cartilage. Nitric oxide (NO) and prostaglandin E2 (PGE2) have been implicated as mediators of inflammation in OA. The goals of t ...
Full textLink to itemCite
Journal ArticleClin Immunol · August 2001
To investigate the role of CpG sequences in anti-DNA induction, immunization experiments were performed in mice to assess the immunogenicity of native Escherichia coli (EC) and calf thymus (CT) in incomplete Freund's adjuvant. The effects of CpG sequences ...
Full textLink to itemCite
Journal ArticleBiochem Biophys Res Commun · July 20, 2001
Nitric oxide (NO) and leukotrienes regulate a variety of processes in joint tissues and are frequently elevated in arthritis. Mechanical stress can induce biochemical and functional changes in cartilage that may influence mediator production. To investigat ...
Full textLink to itemCite
Journal ArticleJ Orthop Res · July 2001
Nitric oxide (NO) production and NO synthase (NOS) expression are increased in osteoarthritis and rheumatoid arthritis, suggesting that NO may play a role in the destruction of articular cartilage. To test the hypothesis that mechanical stress may increase ...
Full textLink to itemCite
Journal ArticleOsteoarthritis Cartilage · July 2001
OBJECTIVE: The menisci play an important role in the biomechanics of the knee, and loss of meniscal function has been associated with progressive degenerative changes of the joint in rheumatoid arthritis as well as in osteoarthritis. However, little is kno ...
Full textLink to itemCite
Journal ArticleImmunology · June 2001
To assess the role of the macrophage scavenger receptor type A (SRA) in immune activation by CpG DNA, cytokine induction and DNA uptake were tested in vitro and in vivo using SRA knockout (SRA-/-) and wild type (WT) mice. As a source of CpG DNA, Escherichi ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · May 2001
OBJECTIVE: To determine the feasibility, safety, and potential clinical efficacy of intravenous (IV) doxycycline therapy for rheumatoid arthritis (RA), as well as its possible effects on serum and urinary markers of collagen breakdown. METHODS: The explora ...
Full textLink to itemCite
Journal ArticleAm J Hum Genet · April 2001
Rheumatoid arthritis (RA) is an autoimmune/inflammatory disorder with a complex genetic component. We report the first major genomewide screen of multiplex families with RA gathered in the United States. The North American Rheumatoid Arthritis Consortium, ...
Full textLink to itemCite
Journal ArticleClin Immunol · September 2000
DNA is a complex macromolecule whose immunological properties vary with sequence and structure. To determine whether DNA can inhibit immune responses, the effects of mammalian DNA and synthetic phosphodiester (Po) and phosphorothioate (Ps) oligonucleotides ...
Full textLink to itemCite
Journal ArticleCurr Opin Rheumatol · September 2000
Systemic lupus erythematosus is a prototypic autoimmune disease characterized by antinuclear antibodies (ANAs), including pathogenic specificities to DNA. As shown by recent research, ANA production is a genetically determined process in which self antigen ...
Full textLink to itemCite
Journal ArticleJ Immunol · August 1, 2000
Phosphorothioate oligodeoxynucleotides (sODN) containing the CpG motif or TCG repeats induce T cell-independent polyclonal activation of human B cells. To elucidate the mechanism of this response, the role of cell surface receptors was investigated. Sephar ...
Full textLink to itemCite
Journal ArticleCell Immunol · April 10, 2000
DNA is a complex macromolecule the immunological properties of which depend on short sequence motifs called CpG motifs or immunostimulatory sequences (ISS). These sequences are mitogenic for B cells and can stimulate macrophage cytokine production. While t ...
Full textLink to itemCite
Journal ArticleCurr Top Microbiol Immunol · 2000
Bacterial DNA has potent immunological properties that can stimulate the immune system in SLE in both specific and non-specific ways. As such, this molecule may play an important role in disease pathogenesis, because it can exert immunomodulatory activity ...
Full textLink to itemCite
Journal ArticleMethods Mol Med · 2000
DNA vaccination represents a powerful new approach for the elicitation of long-lived protective immunity against a broad range of protein antigens (1,2). In this approach, the vaccine is a plasmid DNA vector that encodes a foreign protein to be targeted fo ...
Full textLink to itemCite
Journal ArticleImmunol Res · 2000
Because of structural microheterogeneity, DNA can exert powerful effects that lead to immune system activation as well as antibody induction. These activating effects resemble those ofendotoxin and result from sequences that occur much more commonly in bac ...
Full textLink to itemCite
Journal ArticleBiochem Pharmacol · December 15, 1999
Depending on base sequence, DNA displays immunological activities relevant to the design of novel therapeutic agents. To determine the influence of backbone structure on these activities, we tested a series of synthetic phosphodiester and phosphorothioate ...
Full textLink to itemCite
Journal ArticleInt Immunol · October 1999
We have previously reported that B cells that are activated by multivalent but not bivalent membrane Ig cross-linking ligands synergize with various B cell activators culminating in enhanced B cell proliferation. In this study we asked whether B cells that ...
Full textLink to itemCite
Journal ArticleJ Interferon Cytokine Res · October 1999
Lipofectin is a mixture of two cationic lipids, N-[1-(2,3-dioleyloxy)propyl]-n,n,n-trimethylammonium chloride (DOTMA) and dioleoyl phosphotidylethanolamine (DOPE), and has been commonly used to promote transfection of plasmid vectors in vitro and in vivo. ...
Full textLink to itemCite
Journal ArticleJ Rheumatol · September 1999
OBJECTIVE: To elucidate the epitope structure to DNA by identifying antigenic determinants on bacterial DNA bound by anti-DNA antibodies from normal human subjects (NHS) and patients with systemic lupus erythematosus (SLE). METHODS: Sera from NHS and patie ...
Link to itemCite
Journal ArticleJ Immunol · July 1, 1999
Leukotrienes, the 5-lipoxygenase (5LO) products of arachidonic acid metabolism, have many proinflammatory actions that have been implicated in the pathogenesis of a variety of inflammatory diseases. To investigate the role of LTs in autoimmune disease, we ...
Link to itemCite
Journal ArticleClin Exp Immunol · May 1999
To elucidate antibody recognition of DNA in normal and aberrant immunity, the binding of sera of normal human subjects (NHS) and patients with SLE was tested with mammalian and bacterial DNA varying in size. Klebsiella pneumoniae (KP) and calf thymus (CT) ...
Full textLink to itemCite
Journal ArticleRheum Dis Clin North Am · February 1999
Patients with rheumatic disease experience pain that can be intense, persistent, and disabling. This pain is frequently multifactorial in origin and has both central and peripheral components. Because of the array of conditions that can cause musculoskelet ...
Full textLink to itemCite
Journal ArticleImmunobiology · February 1999
Bacterial DNA has potent immunological properties because of its content of immunostimulatory sequences centering on CpG motifs. To investigate whether DNA from various bacterial species differ in these properties, the activity of a panel of DNA was assess ...
Full textLink to itemCite
Journal ArticleImmunol Res · 1999
DNA is a complex macromolecule whose immunological properties vary with base sequences. As shown with synthetic oligonucleotides, potent immune stimulation results from six base motifs called CpG motifs or immunostimulatory sequences (ISS). These sequences ...
Full textLink to itemCite
Journal ArticleMol Immunol · December 1998
Phosphorothioate oligonucleotides (S-oligos) are nucleic acid derivatives that are commonly used as antisense agents. These compounds, similar to bacterial DNA and CpG oligonucleotides, display a variety of immunological activities in vitro and in vivo. To ...
Full textLink to itemCite
Journal ArticleImmunopharmacology · November 1998
To assess the influence of base sequence on the immunostimulatory activities of DNA, cell binding and mitogenicity of a series of 30-mer phosphodiester oligonucleotides were tested using murine spleen cells. These compounds consisted of either a single bas ...
Full textLink to itemCite
Journal ArticleJ Immunol · October 15, 1998
Microbial DNA has multiple immune effects including the capacity to induce polyclonal B cell activation and cytokine production in normal mice. We recently described the accelerated induction of anti-DNA Abs in NZB/NZW mice immunized with Escherichia coli ...
Link to itemCite
Journal ArticleHum Gene Ther · July 1, 1998
To determine the influence of DNA sequence on immunostimulatory properties of vaccine vectors, we tested the induction of in vitro and in vivo immune responses by plasmids modified to contain extended runs of dG sequences. Studies with oligonucleotides ind ...
Full textLink to itemCite
Journal ArticleEnviron Toxicol Pharmacol · December 1997
Susceptibility to autoimmune disease results from genetic factors that determine the pattern of immune responsiveness to self as well as foreign antigens. These factors may influence the immune response to DNA, a complex macromolecule that can induce antib ...
Full textLink to itemCite
Journal ArticleJ Exp Med · August 4, 1997
Nitric oxide (NO) is an important mediator of the inflammatory response. MRL-lpr/lpr mice overexpress inducible nitric oxide synthase (NOS2) and overproduce NO in parallel with the development of an autoimmune syndrome with a variety of inflammatory manife ...
Full textLink to itemCite
Journal ArticleClin Exp Immunol · July 1997
To elucidate the mechanisms of anti-DNA production, we assessed the binding of sera of normal human subjects (NHS) and patients with SLE to a panel of bacterial and mammalian DNA. Using single-stranded DNA as antigens in an ELISA, NHS showed significant bi ...
Full textLink to itemCite
Journal ArticleProc Assoc Am Physicians · May 1997
Antibodies to DNA occur commonly in the sera of normal human subjects and bind to nonconserved sites exclusive to DNA from certain bacterial species. These antibodies are primarily IgG2 and differ from anti-DNA antibodies in systemic lupus erythematosus (S ...
Link to itemCite
Journal ArticleJ Immunol · May 1, 1997
To elucidate the mechanism of Ag drive in the anti-DNA response, the Ab response to bacterial DNA has been analyzed in normal and autoimmune mice. Preautoimmune NZB/W mice immunized with Escherichia coli dsDNA produce Abs that resemble spontaneous autoanti ...
Link to itemCite
Journal ArticleMed Clin North Am · January 1997
Systemic lupus erythematosus is a multisystem inflammatory disease characterized by antinuclear antibody production. The diagnosis of this disease is established on the basis of a constellation of clinical and serologic features. Therapy is directed to spe ...
Full textLink to itemCite
Journal ArticleMethods · January 1997
DNA is a structurally heterogeneous molecule that elicits antibody production in both normal and aberrant immunity. In the prototypic autoimmune disease systemic lupus erythematosus, anti-DNA antibodies occur prominently and are serological markers for dia ...
Full textLink to itemCite
Journal ArticleFASEB Journal · December 1, 1996
To investigate the potential of DNA to elicit immune responses, we examined the capacity of a variety of oligodeoxynucleotides (ODNs) to stimulate highly purified T cell depleted human peripheral blood B cells. Among 34 ODNs tested, three specific phosphor ...
Cite
Journal ArticleJ Immunol · November 15, 1996
CD19 serves as a cell surface response regulator that establishes signaling thresholds critical for B lymphocyte development and activation. B lymphocytes from CD19-deficient mice are hyporesponsive to transmembrane signals, while B lymphocytes from mice t ...
Link to itemCite
Journal ArticleJ Rheumatol · November 1996
OBJECTIVE: To evaluate the associations of soluble serum interleukin-2 receptor (sIL-2R) levels in patients with rheumatoid arthritis (RA) with clinical and laboratory measures of disease activity and the predicted response to therapy. METHODS: sIL-2R leve ...
Link to itemCite
Journal ArticleJ Clin Invest · September 1, 1996
To investigate the potential of DNA to elicit immune responses in man, we examined the capacity of a variety of oligodeoxynucleotides (ODNs) to stimulate highly purified T cell-depleted human peripheral blood B cells. Among 47 ODNs of various sequences tes ...
Full textLink to itemCite
Journal ArticleEur J Immunol · September 1996
To investigate the molecular properties of anti-DNA from lpr mice that express high levels of anti-DNA without immune-mediated nephritis, the sequences of VH and V kappa genes encoding 11 monoclonal anti-DNA antibodies derived from C3H-lpr/lpr (C3H-lpr) mi ...
Full textLink to itemCite
Journal ArticleJ Exp Med · September 1, 1996
Nitric oxide (NO) is an important inflammatory mediator in nonhuman animal models of rheumatoid arthritis (RA). The purpose of the present study was to determine whether blood mononuclear cells from patients with active RA (as compared to control subjects) ...
Full textLink to itemCite
Journal ArticleJ Exp Med · April 1, 1996
Preautoimmune New Zealand Black/White (NZB/NZW) mice immunized with Escherichia coli (EC) double standard (ds) DNA produce antibodies that bind mammalian dsDNA and display specificities similar to spontaneous lupus anti-DNA. Since calf thymus (CT) dsDNA fa ...
Full textLink to itemCite
Journal ArticleJ Rheumatol · April 1996
OBJECTIVE: To evaluate the acute toxicity, potential efficacy, and effects on the soluble interleukin 2 receptor (sIL-2R) of recombinant human interferon gamma (rIFN-gamma) in patients with systemic sclerosis (SSc). METHODS: A multicentered, pilot clinical ...
Link to itemCite
Journal ArticleCell Immunol · January 10, 1996
Bacterial, but not mammalian DNA, can induce interferon-gamma (IFN-gamma) in murine splenocytes. To elucidate the basis of this activity, we have assessed in vitro cytokine production by C3H/HeJ splenocytes stimulated with either DNA from Escherichia coli ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · July 1995
Antibodies to DNA (anti-DNA) occur prominently in systemic lupus erythematosus and provoke inflammatory damage in the kidneys. To determine the factors that confer pathogenicity on antibodies of this specificity, we investigated the in vitro and in vivo gl ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · May 1995
MRL-lpr/lpr mice spontaneously develop an autoimmune disease with nephritis similar to human systemic lupus erythematosus. In these animals, treatment with E-series prostaglandins ameliorates renal disease and prolongs survival, perhaps by modulating produ ...
Full textLink to itemCite
Journal ArticleJ Clin Invest · March 1995
To investigate the role of antigen drive in anti-double-stranded (ds) DNA production, the antibody response induced in lupus-prone NZB/NZW mice by E. coli (EC) dsDNA was evaluated. Preautoimmune NZB/NZW female mice were immunized with complexes of EC dsDNA ...
Full textLink to itemCite
Journal ArticleImmunopharmacology · February 1995
Phosphorothioate (PT) oligonucleotides are designed as specific agents for antisense therapy although they have been reported to exert non-specific immunomodulatory effects. To elucidate further their actions, the effect of PT deoxyguanosine oligomers (S-o ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · December 1994
To investigate the association of T cell activation with clinical exacerbations of RA, we measured serum levels of soluble interleukin-2 receptors (sIL2R), a marker of T cell activation, in serial samples obtained from 23 patients with RA. sIL2R measuremen ...
Full textLink to itemCite
Journal ArticleJ Immunol · December 1, 1994
Rheumatoid factors (RF) and anti-DNA Abs from MRL/lpr mice have features similar to Abs directed toward foreign Ags, indicating a role of specific activation by Ags during disease. But our previous studies and analogous studies from others concentrated on ...
Link to itemCite
Journal ArticleProstaglandins · November 1994
Diets enriched with fish oil (FO) ameliorate kidney disease in the MRL-lpr/lpr murine model of lupus nephritis. Although the mechanisms of this effect are not known, FO is rich in the polyunsaturated fatty acid eicosapentaenoic acid (EPA) which may have pr ...
Full textLink to itemCite
Journal ArticleInt Arch Allergy Immunol · October 1994
To assess the human antibody response to bacterial double-stranded (ds) DNA, sera from normal human subjects (NHS) were tested by ELISA for binding to highly purified dsDNA from Micrococcus lysodeikticus (MC). Of 38 NHS tested, 19 demonstrated significant ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · September 1994
To elucidate the interaction of anti-DNA antibodies with DNA, the reactivity of lupus sera with single-stranded fragments from calf thymus, Escherichia coli, and salmon testes DNA was investigated. These fragments were generated by digestion with the restr ...
Full textLink to itemCite
Journal ArticleEur J Immunol · June 1994
Autoantibodies to ribonucleoproteins (RNP) occur prominently in human systemic lupus erythematosus and murine lupus models. In previous studies we demonstrated a relationship in MRL/Mp-lpr/lpr (MRL/lpr) mice between antibodies to Sm, an RNP autoantigen, an ...
Full textLink to itemCite
Journal ArticleJ Exp Med · February 1, 1994
MRL-lpr/lpr mice spontaneously develop various manifestations of autoimmunity including an inflammatory arthropathy and immune complex glomerulonephritis. This study examines the role of nitric oxide, a molecule with proinflammatory actions, in the pathoge ...
Full textLink to itemCite
Journal ArticleLife Sci · 1994
To investigate further the immunological properties of nucleic acids, the mitogenicity of a phosphorothioate oligonucleotide (S-oligo 1082) with antisense activity for herpes simplex virus was tested. This compound stimulated proliferation and antibody pro ...
Full textLink to itemCite
Journal ArticleArthritis Rheum · January 1994
OBJECTIVE: To evaluate the association of the level of soluble serum interleukin-2 receptor (sIL-2R) with disease activity and response to therapy in patients with rheumatoid arthritis (RA). METHODS: The sIL-2R levels of 148 patients with refractory RA wer ...
Full textLink to itemCite
Journal ArticleImmunology and Allergy Clinics of North America · January 1, 1994
ANAs are important serologic markers of the rheumatic diseases, although their role in pathogenesis has been difficult to conceptualize because their target antigens are ubiquitous among cells and seemingly well protected in the cell interior. Future direc ...
Full textCite
Journal ArticleJ Rheumatol · November 1993
OBJECTIVE: Cell surface molecules can be shed by activated T lymphocytes and measured in serum to assess in vivo T cell activation. To evaluate the relationship between these serum markers and disease activity in rheumatoid arthritis (RA), we determined le ...
Link to itemCite
Journal ArticleMol Biol Rep · October 1993
To elucidate the properties of mitogenic nucleic acids, the ability of oligodeoxynucleotides to stimulate the in vitro proliferation of murine lymphocytes was investigated. The compounds tested were a series of oligodeoxynucleotides, synthesized with eithe ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · September 1993
Normal mice immunized with bacterial DNA produce high titers of anti-DNA antibodies and represent a new model for autoantibody production in systemic lupus erythematosus. To determine whether DNA immunization can also provoke clinical manifestations of lup ...
Full textLink to itemCite
Journal ArticleCurr Opin Rheumatol · September 1993
In systemic lupus erythematosus, autoantibodies have structural features that indicate in vivo selection by a T cell-dependent, antigen-driven process. The B-cell component of these responses resembles a conventional antibody response, whereas the T-cell c ...
Full textLink to itemCite
Journal ArticleLupus · August 1993
Immunization of normal mice with bacterial DNA elicits a significant IgG anti-DNA response and has been explored as a model of systemic lupus erythematosus. To determine whether this induced response is influenced by sex, we have measured anti-DNA levels i ...
Full textLink to itemCite
Journal ArticleJ Immunol · August 1, 1993
Immunization of normal mice with bacterial DNA induces a significant anti-DNA response that includes antibodies resembling some lupus anti-DNA in their binding properties, although lacking specificity for mammalian dsDNA. To determine the structure of thes ...
Link to itemCite
Journal ArticleMol Biol Rep · June 1993
The Ku autoantigen is a DNA binding factor consisting of 70 and approximately 80 kDa proteins (p70 and p80, respectively) which form a heterodimer. The p70/p80 dimer appears to be crucial for the function of a 350 kDa DNA-dependent protein kinase (DNA-PK) ...
Full textLink to itemCite
Journal ArticleCell Immunol · March 1993
Although DNA is generally considered to be a poor immunogen, recent evidence suggests that DNA from various species differ in their immunological activity and that bacterial DNA can induce the in vitro proliferation of normal murine B cells. To delineate s ...
Full textLink to itemCite
Journal ArticleJ Immunol · February 15, 1993
Anti-Sm autoantibodies are unique to SLE, but are present in only 25% of patients with this disease. This response also occurs at a similar frequency in mice of the autoimmune MRL strains. Previous analyses of the anti-Sm response in these mice indicate th ...
Link to itemCite
Journal ArticleJ Pharmacol Exp Ther · February 1993
Renal thromboxane (Tx) production is increased in the MRL-lpr murine model of lupus nephritis. To investigate the relationship between increased Tx production and number and affinity of Tx receptors, we measured binding of the Tx receptor antagonist [3H][S ...
Link to itemCite
Journal ArticleJ Autoimmun · February 1993
To evaluate further bacterial DNA immunization as a model to study antigen drive in the anti-DNA response, the specificity of induced monoclonal anti-DNA antibodies was characterized. A panel of IgM and IgG monoclonal anti-DNA antibodies was produced from ...
Full textLink to itemCite
Journal ArticleJ Exp Med · December 1, 1992
In MRL mice, the mostly recessive lpr mutation results in both the accumulation of CD4-, CD8-, CD3+ T cells in lymphoid tissue and many features of generalized autoimmune disease, including immune complex glomerulonephritis. To positionally clone the lpr m ...
Full textLink to itemCite
Journal ArticleCurr Opin Rheumatol · October 1992
Antinuclear antibodies occur prominently in systemic lupus erythematosus and serve as markers of underlying pathogenetic disturbances. Although these antibodies display features indicative of genetic control and in vivo selection by self-antigen, other mec ...
Link to itemCite
Journal ArticleClin Immunol Immunopathol · August 1992
MRL-lpr/lpr mice develop an inflammatory arthritis in association with other manifestations of autoimmunity. Although a variety of immune cell disturbances have been described in these mice, the relationship of these abnormalities to the pathogenesis of ar ...
Full textLink to itemCite
Journal ArticleMol Immunol · June 1992
We have examined the antibody response in mice expressing a functionally rearranged mu Ig heavy chain derived from a hybridoma antibody with specificity for the hapten 4-hydroxy-3-nitrophenyl (NP). Transgenic mice and their normal littermates were immunize ...
Full textLink to itemCite
Journal ArticleRheum Dis Clin North Am · May 1992
Anti-DNA antibodies are the serologic hallmark of systemic lupus erythematosus and important markers for diagnosis and prognosis. Although a number of mechanisms for anti-DNA production have been proposed, recent evidence from human as well as murine lupus ...
Link to itemCite
Journal ArticleKidney Int · April 1992
To investigate the role of thromboxane A2 (TxA2) in murine lupus, we assessed the effects of the specific thromboxane receptor antagonist GR32191 on immune complex glomerulonephritis in MRL-lpr/lpr mice. Forty mg/kg/day GR32191 was given by twice daily sub ...
Full textLink to itemCite
Journal ArticleCell Immunol · January 1992
B cells expressing the CD5 marker in the mouse have been suggested to be a separate lineage and a major source of autoantibody production. In man, this relationship is less clear. Studies were therefore undertaken to determine whether human CD5+ B cells re ...
Full textLink to itemCite
Journal ArticleInt Arch Allergy Immunol · 1992
To assess the role of infection in anti-DNA antibody production, the DNA-binding activity of sera from patients with Escherichia coli bacteremia was analyzed. Among 8 patients with bacteremia documented by blood culture, 5 demonstrated increased levels of ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · January 1992
Although anti-DNA antibodies are generally considered to be specific markers for systemic lupus erythematosus (SLE), antibodies binding DNA from certain bacterial species can be found in the sera of normal subjects. To characterize the immunochemical prope ...
Full textLink to itemCite
Journal ArticleClin Exp Rheumatol · 1992
To evaluate the properties of antibodies to bacterial DNA in the sera of normal human subjects (NHS) and patients with systemic lupus erythematosus (SLE), the effects of ionic strength and pH on their binding to single-stranded DNA (ssDNA) from Micrococcus ...
Link to itemCite
Journal ArticleCurr Opin Immunol · December 1991
Systemic lupus erythematosus is a prototypic autoimmune disease characterized by antinuclear antibody production. In recent investigations, the contributions of various polymorphic immune response gene systems to disease pathogenesis have been analyzed. Un ...
Full textLink to itemCite
Journal ArticleCurr Opin Rheumatol · October 1991
Idiotypes are serologically defined markers in the variable region of an antibody molecule. In the study of autoimmunity, these markers have been valuable probes in defining patterns of autoantibody variable region gene utilization, mechanisms of immune dy ...
Full textLink to itemCite
Journal ArticleJ Immunol · September 15, 1991
Although DNA is generally considered to be a poor immunogen, recent evidence suggests that DNA from various species differ in their immunologic activity and that bacterial DNA, unlike mammalian DNA, can induce significant antibody responses in mice. To exp ...
Link to itemCite
Journal ArticleJ Invest Dermatol · September 1991
To determine the role of T-cell activation in dermatitis herpetiformis (DH), soluble IL-2R levels were measured by enzyme-linked immunosorbent assay (ELISA) in the sera of 30 patients with DH. Levels of this shed receptor are considered to be a measure of ...
Full textLink to itemCite
Journal ArticleJ Autoimmun · August 1991
MRL-lpr/lpr mice spontaneously develop a complex immunological disease characterized by glomerulonephritis, inflammatory erosive arthritis and the production of rheumatoid factors (RF) and anti-DNA antibodies. We have previously reported that, of congenic ...
Full textLink to itemCite
Journal ArticleProstaglandins · July 1991
To investigate the physiologic significance of enhanced renal thromboxane production in murine lupus nephritis, we measured renal hemodynamics and eicosanoid production in MRL-lpr/lpr mice from 8 to 20 weeks of age. Over this age range, MRL-lpr/lpr mice de ...
Full textLink to itemCite
Journal ArticleHum Immunol · June 1991
Specialized Centers of Research (SCOR) in arthritis are interdisciplinary research programs to investigate disease pathogenesis as well as advance diagnosis and treatment. A recent meeting of investigators from the three SCOR programs in rheumatoid arthrit ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · May 1991
To determine the specificity of anti-DNA antibodies induced in normal mice by immunization with bacterial DNA, sera from BALB/c mice immunized with single-stranded DNA from Escherichia coli (EC) were tested for binding to a panel of synthetic DNA and RNA h ...
Full textLink to itemCite
Journal ArticleJ Rheumatol · April 1991
To determine whether factors other than disease activity influence immunoglobulin levels in patients with systemic lupus erythematosus (SLE), the effect of age, sex, race, and duration of disease on serum IgG and IgM levels in 170 patients with SLE were in ...
Link to itemCite
Journal ArticleJ Immunol · March 15, 1991
In evaluating the origin of autoantibodies, patterns of self-Ag recognition have been interpreted to reflect the relative role of Ag in stimulating a response. Few studies, however, have assessed whether human autoantibodies display patterns of autoantigen ...
Link to itemCite
Journal ArticleJ Rheumatol · February 1991
Levels of soluble interleukin 2 receptors (IL-2R) have been found to be elevated in the serum of patients with systemic lupus erythematosus (SLE) and are considered an indication of immune system activation in this disease. To assess the relationship betwe ...
Link to itemCite
Journal ArticleKidney Int · January 1991
To investigate the potential role of leukotrienes in murine lupus, we measured renal hemodynamics and renal leukotriene production in MRL-lpr/lpr mice at 12 and 20 weeks of age. Over this age range, these animals develop overt manifestations of autoimmune ...
Full textLink to itemCite
Journal ArticleImmunology · December 1990
To assess the specificity of anti-nuclear antibodies with cross-reactive rheumatoid factor (RF) activity, monoclonal anti-DNA and anti-Sm antibodies from MRL-lpr/lpr mice were tested for binding to a variety of IgG antigens. These antibodies had all been p ...
Link to itemCite
Journal ArticleClin Immunol Immunopathol · November 1990
To determine whether age-related changes in immune function affect patterns of autoantibody production, we have examined the isotype and light chain utilization in autoantibodies of elderly patients with systemic lupus erythematosus (SLE). Enzyme-linked im ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · October 1990
Serum interleukin-2 receptor (sIL-2R) levels have been used to assess immune activation in inflammatory and infectious illnesses, although the cellular origin of these receptors and the dynamics of their production are not well defined. To investigate the ...
Full textLink to itemCite
Journal ArticleClin Exp Immunol · October 1990
To assess the immune recognition of DNA in systemic lupus erythematosus, the antigenic specificity of monoclonal anti-DNA antibodies from autoimmune MRL-lpr/lpr mice was investigated Determinant specificity was assessed by ELISA in terms of binding to a pa ...
Link to itemCite
Journal ArticleEur J Immunol · August 1990
To further define DNA immunization as a model for anti-DNA production, we investigated the cellular requirements for this response in mice immunized with single-stranded DNA from E. coli. The anti-DNA responses of genetically immune-deficient mice and cong ...
Full textLink to itemCite
Journal ArticleJ Immunol · May 15, 1990
Because of increasing evidence suggesting that anti-La autoantibodies are induced in humans by an Ag-specific mechanism, we investigated the antibody response of animals immunized with the human La Ag and studied its relationship to the anti-La response of ...
Link to itemCite
Journal ArticleClin Immunol Immunopathol · May 1990
To compare patterns of autoantibody responses in pediatric and adult patients with systemic lupus erythematosus (SLE). IgG and IgM antibodies to single-stranded DNA (ssDNA), Sm, and the 70-kDa protein component of the RNP antigen (70-kDa RNP) were measured ...
Full textLink to itemCite
Journal ArticleBlood · April 15, 1990
Erythrocyte CR1, a C3b/C4b-binding complement-regulatory protein, is sensitive to proteolysis in vitro. To test the hypothesis that in vivo erythrocyte CR1 reduction results from intravascular proteinase activities, we used enzyme-linked immunosorbent assa ...
Link to itemCite
Journal ArticleJ Clin Invest · March 1990
To investigate the repertoire of autoantibodies in humans, anti-DNA and rheumatoid factor (RF) production in vitro was assessed in cultures of adult peripheral blood B cells and neonatal umbilical venous blood B cells. B cells were stimulated under various ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · February 1990
To determine the specificity of antibodies to the (U1) ribonucleoprotein antigen in systemic lupus erythematosus (SLE), patient sera were tested for binding to a recombinant human 70K antigen. By solid-phase immunoassay, we detected anti-70K reactivity in ...
Full textLink to itemCite
Journal ArticleJ Clin Invest · February 1990
To investigate the temporal relationship of antibody responses to different La epitopes, sequential sera from nine patients with systemic lupus erythematosus and Sjogren's syndrome were tested by enzyme-linked immunosorbent assay for antibody binding to a ...
Full textLink to itemCite
Journal ArticleJ Clin Invest · January 1990
The administration of certain monoclonal anti-Sm antibodies (2G7, 7.13) induced most MRL/lpr mice to become anti-Sm positive by 5 mo of age, although other anti-Sm monoclonals (Y2, Y12) suppressed the spontaneous response. Positive anti-Sm antibody enhance ...
Full textLink to itemCite
Journal ArticleJ Exp Med · January 1, 1990
The proximate cause of autoantibodies characteristic of systemic autoimmune diseases has been controversial. One hypothesis is that autoantibodies are the result of polyclonal nonspecific B cell activation. Alternatively, autoantibodies could be the result ...
Full textLink to itemCite
Journal ArticleJ Immunol · December 1, 1989
To characterize further polyspecific interactions of antibodies to DNA, the binding of sera from autoimmune MRL-lpr/lpr mice to Escherichia coli beta-galactosidase (beta-gal) was analyzed. This protein was selected for study because of preliminary observat ...
Link to itemCite
Journal ArticleClin Immunol Immunopathol · December 1989
To determine the genetic requirements for the development of inflammatory arthritis in MRL-lpr/lpr mice, clinical, serologic, and pathologic features of lpr/lpr and +/+ mice of MRL, B6, C3H, and AKR strains were studied. Arthritis was evaluated by histopat ...
Full textLink to itemCite
Journal ArticleJ Rheumatol · October 1989
To characterize patterns of autoantibody expression in pediatric and adult systemic lupus erythematosus (SLE), IgG and IgM antibodies to cardiolipin (aCL) and single-stranded DNA (anti-DNA) were measured in sera from 32 pediatric and 36 adult patients. Ant ...
Link to itemCite
Journal ArticleJ Autoimmun · August 1989
To investigate patterns of autoreactivity in Sjögren's syndrome, the epitope specificity of anti-La antibodies was determined using recombinant antigens bearing sequences of the amino, middle, and carboxyl portions of the La molecule. Sera from patients wi ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · June 1989
To further assess the mechanism for the induction of anti-DNA antibodies, the response of BALB/c mice to immunization with single-stranded DNA of various species origin was determined. Anti-DNA levels of mice immunized with Escherichia coli DNA as complexe ...
Full textLink to itemCite
Journal ArticleJ Rheumatol · May 1989
To determine whether different assays of antidouble stranded DNA (anti-dsDNA) antibodies provide comparable information in quantitative antibody assessment over time, longitudinal correlations between 3 anti-dsDNA antibody methods were derived. Determinati ...
Link to itemCite
Journal ArticleJ Immunol · March 1, 1989
Because of recent observations suggesting that bacterial DNA is immunogenic, the induction in normal mice of antibodies to Escherichia coli (EC) dsDNA was investigated. BALB/c and C57BL/6 mice were immunized with dsEC or ds calf thymus (CT) DNA complexed t ...
Link to itemCite
Journal ArticleClin Exp Rheumatol · 1989
We have investigated the influence of background genes in the MRL strain, as compared to C57BL/6, on the induction of autoimmunity in homozygous lpr/lpr mice. We have concentrated on two autoantibodies, anti-Sm and anti-chromatin. The propensity to make an ...
Link to itemCite
Journal ArticleJ Immunol · December 15, 1988
To determine the specificity of autoantibodies for various antigenic sites on a self-protein molecule, sera from 19 patients with anti-La antibodies were tested for their reactivity with molecularly cloned La protein fragments. By quantitative ELISA, anti- ...
Link to itemCite
Journal ArticleAm J Med · December 1988
PURPOSE: Beginning in the 1980s, methotrexate has been used successfully to treat rheumatoid arthritis. The magnitude and severity of short- and long-term methotrexate toxicity, however, have not been adequately investigated. Our study was performed to det ...
Full textLink to itemCite
Journal ArticleImmunology · November 1988
The spontaneous occurrence of antibodies against the Sm nuclear antigen is a highly specific marker for the diagnosis of SLE. We have previously shown that anti-Sm can be elicited by immunization of SLE-prone mice with purified Sm antigen. In the present s ...
Link to itemCite
Journal ArticleJ Rheumatol · September 1988
To determine the prevalence of anticardiolipin antibodies (aCL) in pediatric systemic lupus erythematosus (SLE) and their possible association with clinical manifestations, aCL were measured in sera of 32 patients with the onset of SLE before age 16. IgM a ...
Link to itemCite
Journal ArticleArthritis Rheum · April 1988
A purified recombinant La fusion protein was tested in an enzyme-linked immunosorbent assay to quantitate anti-La responses. This protein contained the immunodominant region of the La molecule fused to beta-galactosidase. In solid-phase assays, recombinant ...
Full textLink to itemCite
Journal ArticleJ Immunol · January 15, 1988
To investigate mechanisms for the induction of anti-DNA antibodies in systemic lupus erythematosus (SLE), the specificity of anti-DNA antibodies was determined in sera from SLE patients and normal control subjects. As a marker of these responses, the react ...
Link to itemCite
Journal ArticleIn Vivo · 1988
Antibodies to DNA occur prominently in systemic lupus erythematosus and play a central role in pathogenesis. Recent studies on the production of anti-DNA antibodies in both mouse and man suggest that this response can result from a variety of immunoregulat ...
Link to itemCite
Journal ArticleClin Exp Immunol · January 1988
To characterize functional abnormalities of B cells in murine autoimmunity, the effect of cyclosporine (CsA) on antibody responses of NZB and control BALB/c spleen cells was investigated in vitro. Under conditions of high cell density, both NZB and BALB/c ...
Link to itemCite
Journal ArticleRheum Dis Clin North Am · December 1987
Recent investigations on the mechanisms of ANA production in the rheumatic diseases suggest that these responses frequently emerge in the setting of nonspecific immunoregulatory disturbances. However, the expansion and maturation of these responses to gene ...
Link to itemCite
Journal ArticleProc Natl Acad Sci U S A · December 1987
Four monoclonal anti-DNA antibodies derived from a single autoimmune MRL/lpr mouse were studied. Three of these antibodies showed similarities in DNA binding; the fourth had a much higher specific activity for single-stranded DNA and, in addition, was uniq ...
Full textLink to itemCite
Journal ArticleJ Immunol Methods · November 23, 1987
A new method for the cytological analysis of antinuclear antibody binding offers several advantages over conventional techniques. Nuclei in meiosis, prepared by surface-spreading spermatocytes, provide a detailed examination of the constituents of the nucl ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · August 1987
To investigate polyspecific autoantibody interactions, we have characterized the binding of a cloned murine monoclonal IgM antibody termed (RTE-23) of strain BALB/c origin. By indirect immunofluorescence this antibody displayed a nuclear speckled and perip ...
Full textLink to itemCite
Journal ArticleCell Immunol · June 1987
To investigate the mechanisms by which cyclosporine (CsA) inhibits B-cell function, the effect of this agent on murine B-lymphoma cell lines of the CH series was tested. These lymphomas appear to be derived from a restricted B-cell population on the basis ...
Full textLink to itemCite
Journal ArticleMol Immunol · April 1987
Because of evidence for structural similarity of variable region genes of anti-DNA and anti-(T,G)-A-L antibodies, polyspecific interactions of monoclonal anti-DNA and anti-(T,G)-A-L antibodies were investigated. Of 20 monoclonal antibodies from C57BL/10 mi ...
Full textLink to itemCite
Journal ArticleImmunology · April 1987
The specificity of a panel of murine monoclonal anti-DNA antibodies for DNA antigenic determinants was evaluated by testing their relative binding to various animal and bacterial DNAs. The antibody panel consisted of six monoclonal anti-DNAs of MRL-lpr/lpr ...
Link to itemCite
Journal ArticleJ Immunol · March 15, 1987
To assess the role of macrophages (MAC) in the pathogenesis of systemic lupus erythematosus, we investigated functional aspects of peritoneal MAC obtained from autoimmune MRL/MpJ-lpr/lpr (MRL-lpr) mice. MRL-lpr and control C3H/HeN MAC were obtained from un ...
Link to itemCite
Journal ArticleJ Immunol · December 15, 1986
To investigate whether IgG antinuclear antibodies have cross-reactive rheumatoid factor activity, monoclonal IgG antibodies to DNA and Sm from autoimmune MRL-lpr/lpr mice were assayed by ELISA for binding to IgG antigens. Of the nine anti-DNA and anti-Sm m ...
Link to itemCite
Journal ArticleRes Commun Chem Pathol Pharmacol · September 1986
The intravenous insulin tolerance test (ITT) allows general assessment of insulin sensitivity by determining the fall in plasma glucose after injection of 0.1 unit/kg regular insulin. To evaluate the usefulness of this test diagnostically in distinguishing ...
Link to itemCite
Journal ArticleClin Immunol Immunopathol · April 1986
To study the assembly of DNA-anti-DNA complexes in vivo, we have measured the clearance from blood and organ localization of a murine IgG2a monoclonal anti-DNA antibody, called 6/0, following the infusion of DNA intravenously or intraperitoneally. Intraper ...
Full textLink to itemCite
Journal ArticleClin Exp Immunol · March 1986
The effect of cyclosporine (CsA) on the CH12 murine B cell lymphoma was investigated to determine whether sensitivity to this agent is retained by malignant B cells. This tumour produces an antibody to bromelain-treated red blood cells and may represent tr ...
Link to itemCite
Journal ArticleMed Clin North Am · March 1986
Systemic lupus erythematosus is a multisystem inflammatory disease characterized by autoantibody production. Recent investigations are providing insights into the immunoregulatory disturbances underlying this disease, and are clarifying the approach to dia ...
Full textLink to itemCite
Journal ArticleJ Immunol · December 1985
To investigate the mechanisms of anti-Sm expression in murine systemic lupus erythematosus (SLE), the idiotypic determinants of a monoclonal anti-Sm antibody were studied. This antibody, 2G7, was derived from the fusion of spleen cells of an autoimmune MRL ...
Link to itemCite
Journal ArticleCell Immunol · December 1985
Individual MRL-lpr mice vary in their capacity to generate anti-Sm autoantibodies spontaneously. We have compared the frequency of B-cell precursors for this autoantibody in serologically negative and serologically positive MRL-lpr mice, and in normals. An ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · December 1985
The anti-DNA autoantibody responses of mice congenic for lpr and the Y-linked autoimmune accelerator (Yaa) genes were studied to evaluate genetic interactions in murine autoimmunity. Male B6-lpr, + mice failed to generate significant anti-DNA responses in ...
Full textLink to itemCite
Journal ArticleCell Immunol · August 1985
The action of the immunosuppressive agent cyclosporine (CsA) on anti-DNA B-cell responses was investigated in an in vitro system. Spleen cells from autoimmune MRL-lpr/lpr or control BALB/c mice, when cultured at high cell density, spontaneously produced si ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · July 1985
MRL-lpr/lpr mice develop an autoimmune disease similar to systemic lupus erythematosus. To determine whether mice of this strain develop defects in mononuclear phagocyte system (MPS) function similar to those observed in patients, the pattern of sequestrat ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · June 1985
Approximately 5-10% of ascitic fluids from 411 NZB myeloma tumors were found to possess either antinuclear (ANA) or Coombs antibodies. Some fluids showed anti-SM specificity, which is thought to be unique to systemic lupus erythematosus (SLE). In addition, ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · March 1985
The specificity and idiotypic relationships of a monoclonal anti-DNA antibody were investigated to evaluate genetic control in this autoantibody response. 6/0 is an IgG2a monoclonal anti-DNA derived by the fusion of spleen cells from an autoimmune MRL-lpr/ ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · January 1985
To investigate the state of activation of B cells from mice with the lpr gene defect, membrane Ia antigen (mIa) expression was analyzed on B cells from B6-lpr/lpr (lpr) and control B6- +/-/+/- mice. B cells from lpr mice exhibited marked increases in level ...
Full textLink to itemCite
Journal ArticleClin Exp Immunol · December 1984
Monoclonal rheumatoid factors (MoRF) were prepared from autoimmune B6-lpr/lpr mice to investigate the influence of strain background on the specificity of these autoantibodies. Using screening assays for binding to heterologous rabbit IgG, four IgM MoRF we ...
Link to itemCite
Journal ArticleJ Immunol Methods · November 30, 1984
The influence of assay conditions on anti-DNA determinations by an enzyme-linked immunosorbent assay (ELISA) was investigated to evaluate the detection of various DNA antigenic specificities. Among 4 monoclonal anti-DNA antibodies of MRL-lpr/lpr strain ori ...
Full textLink to itemCite
Journal ArticleJ Immunol · October 1984
The idiotypes borne by Y2, a monoclonal anti-Sm antibody of MRL-lpr/lpr mouse strain origin, were investigated to elucidate genetic mechanisms in this autoantibody response. An anti-Y2 anti-idiotypic antiserum was raised in a rabbit and was rendered specif ...
Link to itemCite
Journal ArticleClin Exp Immunol · June 1984
To investigate mechanisms of anti-RNP antibody expression in autoimmune disease, idiotypes of a monoclonal anti-RNP of murine origin were analysed. This antibody, designated 4L1, was obtained from a MRL-lpr/lpr mouse and shown to have anti-RNP specificity ...
Link to itemCite
Journal ArticleArthritis Rheum · May 1984
The binding properties of B6-lpr/lpr anti-DNA monoclonal antibodies were characterized to evaluate the influence of genetic background on the diversity and specificity of lpr-induced autoantibody responses. Six anti-DNA antibodies were produced from fusion ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · April 1984
Spontaneous immunoglobulin production in four strains of lpr/lpr congenic mice was investigated to identify genetic interactions in lpr-induced polyclonal B cell activation. Sera were obtained from male and female lpr/lpr mice of the MRL, B6, C3H, and AKR ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · March 1984
The idiotypic determinants borne by Y2, a monoclonal anti-SM antibody of MRL mouse strain origin, were investigated to elucidate mechanisms for the generation of autoantibodies. Using an ELISA assay, a rabbit anti-Y2 anti-idiotypic antiserum was tested for ...
Full textLink to itemCite
Journal ArticleCell Immunol · March 1984
The influence of the lpr gene on spontaneous and lipopolysaccharide (LPS)-induced immunoglobulin production was studied in B6 mice homozygous for the mutant lpr gene (B6-lpr/lpr). Male and female mice of this congenic strain were followed for 1 year and se ...
Full textLink to itemCite
Journal ArticleCell Immunol · March 1984
The relationship between colony formation (cloning) of B cells and their activation in murine autoimmunity was investigated in MRL-lpr/lpr and MRL.xid mice. Cells from MRL-lpr/lpr mice showed similar requirements for in vitro growth as normal CBA/J and BAL ...
Full textLink to itemCite
Journal ArticleCell Immunol · June 1983
The influence of the xid gene on murine autoimmunity was investigated by precursor frequency analysis of anti-DNA-producing B cells in non-xid and congenic xid autoimmune and normal mice. Antibody responses were induced in vitro by lipopolysaccharides unde ...
Full textLink to itemCite
Journal ArticleMol Immunol · June 1983
Y2, a monoclonal anti-Sm antibody of MRL origin, demonstrates an idiotype commonly expressed in autoimmune MRL mice, although not necessarily associated with anti-Sm activity. To identify non-anti-Sm antibodies with this common idiotype, a rabbit anti-Y2 a ...
Full textLink to itemCite
Journal ArticleClin Immunol Immunopathol · June 1983
The binding properties and idiotypes of a monoclonal anti-DNA antibody were studied to investigate the control of specificity in this autoimmune response. This antibody, A9, was derived from the fusion of spleen cells of an MRL-lpr/lpr mouse and the cell l ...
Full textLink to itemCite
Journal ArticleJ Immunol · October 1982
Among murine models of autoimmunity, MRL mice are unique in their expression of antibodies to the nuclear antigen Sm. To assess genetic mechanisms in the control of this response, the idiotypes borne by a monoclonal anti-Sm antibody of MRL-Ipr/Ipr origin w ...
Link to itemCite
Journal ArticleJ Immunol · May 1982
The influence of the Ipr gene on the anti-DNA antibody response was investigated in MRL and B6 Ipr/Ipr inbred mice, MRL +/+ mice less than a yr of age produced low levels of anti-DNA antibody, whereas older animals of this strain demonstrated levels in som ...
Link to itemCite
Journal ArticleMol Immunol · May 1982
To investigate the interaction of DNA and anti-DNA antibodies in the immune complex disease of systemic lupus erythematosus, the fine specificity of binding of a monoclonal anti-DNA antibody was determined. This antibody, termed Cll, was derived from the f ...
Full textLink to itemCite
Journal ArticleArch Pathol Lab Med · April 1982
The serologic and clinical features of a 32-year-old women with coexistent systemic lupus erythematosus and lymphoma were studied. A cervical node biopsy specimen demonstrated nodular, poorly differentiated lymphocytic lymphoma; subsequent development of p ...
Link to itemCite
Journal ArticleJ Rheumatol · 1982
Antibodies to components of the cell nucleus have been viewed as specific serological markers of systemic lupus erythematosus (SLE). To determine whether these autoantibodies exhibit common regulation of their expression, antibody levels have been quantita ...
Link to itemCite
Journal ArticleJournal of Immunology · January 1, 1982
The influence of the Lpr gene on the anti-DNA antibody response was investigated in MRL and B6 Lpr Lpr inbred mice. MRL +/+ mice less than a yr of age produced low levels of anti-DNA antibody, whereas older animals of this strain demonstrated levels in som ...
Cite
Journal ArticleJ Immunol · December 1981
The Ir gene controlling high responsiveness to staphylococcal nuclease in the H-2d haplotype has been mapped to the I-A subregion, in contrast to that in the H-2k and H-2a haplotypes, which maps in the I-B subregion. The nonallelic high responder genes als ...
Link to itemCite
Journal ArticleJ Immunol · August 1981
Disturbances in suppressor cell function have been considered important in the pathogenesis of systemic lupus erythematosus (SLE), a conclusion supported by studies with New Zealand mice. To determine whether other SLE mice display similar immunoregulatory ...
Link to itemCite
Journal ArticleJ Immunol Methods · 1981
A simple and highly sensitive enzyme-linked immunosorbent assay (ELISA) has been developed for the measurement of anti-native DNA (anti-nDNA) antibodies in sera from patients with systemic lupus erythematosus (SLE). A solid-phase support for the assay was ...
Full textLink to itemCite
Journal ArticleJ Exp Med · November 1, 1980
The quantitative expression of anti-DNA and anti-Sm antibodies has been investigated in autoimmune MRL-lpr/lpr and MRL-+/+ mice. Anti-Sm antibodies were detected in sera from 21/23 lpr/lpr and 10/16 +/+ mice, with individual animals showing striking variat ...
Full textLink to itemCite
Journal ArticleJ Immunol · March 1979
The genetic linkage relationship of two antinuclease idiotypes produced by the BALB/c strain was investigated in the backcross (BALB/c x CB.20) X CB.20. These two idiotypes were detected by Lewis rat anti-idiotypic antisera prepared against affinity-purifi ...
Link to itemCite
Journal ArticleJ Exp Med · May 1, 1978
Antibodies to staphylococcal nuclease have been fractionated into two populations on the basis of their ability to bind to the cyanogen bromide cleavage product of nuclease comprising the C-terminal portion of the molecule from the 99th to the 149th amino ...
Full textLink to itemCite
Journal ArticleJ Exp Med · February 1, 1978
The role of non-H-2-linked genes in the control of the antibody response to staphylococcal nuclease has been investigated. 3 wk after immunization with nuclease in complete Freund's adjuvant, strain A/J (H-2 a) mice produced significantly higher titers of ...
Full textLink to itemCite
Journal ArticleAdv Exp Med Biol · 1978
Genetic control of the immune response to staphylococcal nuclease in mice is detectable at several levels. At least one H-2-linked Ir gene controls 1) the relative proportions of antibodies to different determinants on nuclease when whole nuclease is the i ...
Full textLink to itemCite
Journal ArticleJ Exp Med · December 1, 1977
Rat antisera detecting binding site-specific idiotypic determinants on anti-nuclease antibodies from A/J mice have been used to define the A/J anti-nuclease idiotype and to investigate its genetic linkage as a variable region marker. Analysis of the segreg ...
Full textLink to itemCite
Journal ArticleJ Exp Med · March 1, 1977
Rat antisera raised against anti-nuclease antibodies from mouse strains A/J and SJL detect strain-specific idiotypic determinants related to the antigen-combining site. These antisera have been used to investigate the genetic linkage and strain distributio ...
Full textLink to itemCite