Journal articleACG Case Rep J · November 2025
Proteinase 3 (PR3)-antineutrophil cytoplasmic autoantibody (ANCA) is a necrotizing small vessel vasculitis and the most common subgroup of ANCA-associated vasculitides (AAV). The rarity of these disorders, in conjunction with their variable and often nonsp ...
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Journal articleLab Invest · July 2025
Selective IgA deficiency (sIgAD) is the most common type of primary immunodeficiency. The diagnosis of sIgAD has occasionally been suggested when a complete absence of background IgA immunofluorescent staining on renal biopsies was observed, but such findi ...
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Journal articleJ Clin Invest · January 21, 2025
The role of macrophages (MΦs) remains incompletely understood in kidney injury and repair. The plasticity of MΦs offers an opportunity to polarize them toward mediating injury resolution in both native and transplanted kidneys undergoing ischemia and/or re ...
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Journal articleGlomerular Dis · 2025
BACKGROUND: Renal pathologists face a number of challenges in evaluating kidney biopsies: one that is sometimes overlooked is the presence of multiple pathological processes in a single biopsy. Figuring out the interrelatedness (or lack thereof) of more th ...
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Journal articleUltrastruct Pathol · July 3, 2024
Glomerular deposition of monoclonal IgM, frequently in the form of intracapillary pseudothrombi, can be seen in Waldenström macroglobulinemia (WM) and type I cryoglobulinemia (CG). They are typically associated with plasma cell or B-lymphoid neoplasms, par ...
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Journal articleTransplant Direct · June 2024
BACKGROUND: Ex vivo kidney perfusion is an evolving platform that demonstrates promise in preserving and rehabilitating the kidney grafts. Despite this, there is little consensus on the optimal perfusion conditions. Hypothermic perfusion offers limited fun ...
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Journal articleUltrastruct Pathol · January 2, 2023
Infection-related glomerulonephritis is well recognized in patients with ongoing infections. It can be missed, however, if the infection is unusual or undetected. We present three cases where the renal biopsy findings prompted the identification or treatme ...
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Journal articleJCI Insight · January 25, 2022
We performed next-generation sequencing in patients with familial steroid-sensitive nephrotic syndrome (SSNS) and identified a homozygous segregating variant (p.H310Y) in the gene encoding clavesin-1 (CLVS1) in a consanguineous family with 3 affected indiv ...
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Journal articleFront Pediatr · 2022
Glomerular diseases (GDs) are a major cause of chronic kidney disease in children. The conventional approach to diagnosis of GDs includes clinical evaluation and, in most cases, kidney biopsy to make a definitive diagnosis. However, in many cases, clinical ...
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Journal articleJ Med Imaging (Bellingham) · November 2021
Purpose: Recent advances in computational image analysis offer the opportunity to develop automatic quantification of histologic parameters as aid tools for practicing pathologists. We aim to develop deep learning (DL) models to quantify nonsclerotic and s ...
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Journal articleJ Am Soc Nephrol · July 2021
BACKGROUND: Podocyte dysfunction is the main pathologic mechanism driving the development of FSGS and other morphologic types of steroid-resistant nephrotic syndrome (SRNS). Despite significant progress, the genetic causes of most cases of SRNS have yet to ...
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Journal articleClin Transplant · May 2021
We retrospectively examined the clinical characteristics, pathological features, and outcomes of BK viremia and nephropathy in a population of non-renal solid organ transplant patients (NRSOT) referred for outpatient nephrology consultation over a period o ...
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Journal articleJ Pathol · March 2021
Inconsistencies in the preparation of histology slides and whole-slide images (WSIs) may lead to challenges with subsequent image analysis and machine learning approaches for interrogating the WSI. These variabilities are especially pronounced in multicent ...
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Journal articleUltrastruct Pathol · January 2, 2021
Electron microscopy is a mainstay in the analysis of renal biopsies, where it is typically employed in a correlative fashion along with light and immunofluorescence microscopy. Despite the development of a growing armamentarium of molecular and biochemical ...
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Journal articleCase Rep Urol · 2020
BACKGROUND: Donor-derived malignancy is a rare complication in patients who undergo organ transplant. Approaches to treatment have largely been individualized based on clinical circumstances given the lack of evidence-based guidelines, with therapeutic opt ...
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Journal articleAm J Transplant · May 2019
Microcrystalline cellulose (MCC) is an insoluble material commonly used as a binder and filler in oral medications. Identification of pulmonary intravascular deposition of MCC in transbronchial biopsies from lung transplant (LT) recipients following parent ...
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Journal articleAcad Pathol · 2019
The 2019 Association of Pathology Chairs Annual Meeting included a discussion group sponsored by the Senior Fellows Group (former chairs of academic departments of pathology who have remained active in Association of Pathology Chairs) that was focused on s ...
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Journal articleArch Pathol Lab Med · September 2018
CONTEXT: - Graft-versus-host disease of the gastrointestinal tract is a common complication of hematopoietic stem cell transplant associated with significant morbidity and mortality. Accurate diagnosis can be difficult and is a truly clinicopathologic ende ...
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Journal articleFront Pediatr · 2018
Background: Steroid-resistant nephrotic syndrome (SRNS) is a leading cause of end-stage kidney disease in children and young adults. Despite advances in genomic science that have led to the discovery of >50 monogenic causes of SRNS, there are no clear guid ...
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Journal articleAm J Transplant · August 2017
Early activation of coagulation is an important factor in the initiation of innate immunity, as characterized by thrombotic microangiopathy (TMA). In transplantation, systemic anticoagulation is difficult due to bleeding. A novel "cytotopic" agent, thromba ...
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Journal articleAm J Transplant · January 2017
Interstitial nephritis due to viruses is well-described after solid organ transplantation. Viruses implicated include cytomegalovirus; BK polyomavirus; Epstein-Barr virus; and, less commonly, adenovirus. We describe a rare case of hemorrhagic allograft nep ...
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Journal articleUltrastruct Pathol · 2017
Kidney biopsy is a mainstay in the diagnosis and management of renal disease in patients with systemic lupus erythematosus. Though biopsies from patients with lupus typically show various forms of immune complex glomerulonephritis, other pathologies are oc ...
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Journal articleClin Kidney J · October 2015
BACKGROUND: Mutations in podocin (NPHS2) are the most common cause of childhood onset autosomal recessive steroid-resistant nephrotic syndrome (SRNS). The disease is characterized by early-onset proteinuria, resistance to immunosuppressive therapy and rapi ...
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Journal articlePLoS Genet · July 2015
African Americans have a disproportionate risk for developing nephropathy. This disparity has been attributed to coding variants (G1 and G2) in apolipoprotein L1 (APOL1); however, there is little functional evidence supporting the role of this protein in r ...
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Journal articleJ Am Soc Nephrol · April 2015
FSGS is a clinical disorder characterized by focal scarring of the glomerular capillary tuft, podocyte injury, and nephrotic syndrome. Although idiopathic forms of FSGS predominate, recent insights into the molecular and genetic causes of FSGS have enhance ...
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Journal articleKidney Int · December 2014
Focal segmental glomerulosclerosis (FSGS) is a histological lesion with many causes, including inherited genetic defects, with significant proteinuria being the predominant clinical finding at presentation. Mutations in COL4A3 and COL4A4 are known to cause ...
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Journal articleJ Am Soc Nephrol · September 2014
FSGS is characterized by segmental scarring of the glomerulus and is a leading cause of kidney failure. Identification of genes causing FSGS has improved our understanding of disease mechanisms and points to defects in the glomerular epithelial cell, the p ...
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Journal articleKidney International · January 1, 2014
Focal segmental glomerulosclerosis (FSGS) is a histological lesion with many causes, including inherited genetic defects, with significant proteinuria being the predominant clinical finding at presentation. Mutations in COL4A3 and COL4A4 are known to cause ...
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Journal articleUltrastruct Pathol · February 2013
Ultrastructural examination remains a crucial diagnostic tool for analysis of renal biopsies, along with light and immunofluorescence microscopy. Several advantages of electron microscopy are the ability to detect most forms of glomerular disease/dysfuncti ...
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Journal articleJ Nephrol · 2013
BACKGROUND: Tubulointerstitial nephritis (TIN) is typically seen in association with drug exposure and infection or in autoimmune diseases such as Sjogren's syndrome or systemic lupus erythematosis. The recently described IgG4-related systemic diseases can ...
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Journal articleClin Transplant · 2013
BK polyomavirus (BKV) infection continues to be a significant source of allograft dysfunction in kidney transplant recipients. The optimal screening method to detect BKV remains undetermined. In this retrospective analysis of 347 consecutive kidney transpl ...
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Journal articleCirc Res · June 8, 2012
RATIONALE: Human clinical trials using type 1 angiotensin (AT(1)) receptor antagonists indicate that angiotensin II is a critical mediator of cardiovascular and renal disease. However, recent studies have suggested that individual tissue pools of AT(1) rec ...
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Journal articleKidney Int · June 2012
Podocytes are highly differentiated cells that play an important role in maintaining glomerular filtration barrier integrity; a function regulated by small GTPase proteins of the Rho family. To investigate the role of Rho A in podocyte biology, we created ...
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Journal articleKidney Int · January 2012
Focal and segmental glomerulosclerosis (FSGS) is a major cause of end-stage kidney disease. Recent advances in molecular genetics show that defects in the podocyte play a major role in its pathogenesis and mutations in inverted formin 2 (INF2) cause autoso ...
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Journal articleNephron Exp Nephrol · 2012
AIM: The goal of this study was to examine the capacity for glomerular repair after a podocyte-depleting injury. METHODS: We created transgenic (TG) mice expressing the yeast enzyme cytosine deaminase specifically in glomerular podocytes. In these TG anima ...
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Journal articleAm J Transplant · September 2010
Two patients developed renal mucormycosis following transplantation of kidneys from the same donor, a near-drowning victim in a motor vehicle crash. Genotypically, indistinguishable strains of Apophysomyces elegans were recovered from both recipients. We i ...
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Journal articleJ Am Soc Nephrol · August 2010
FSGS is a clinicopathologic entity characterized by nephrotic syndrome and progression to ESRD. Although the pathogenesis is unknown, the podocyte seems to play a central role in this disorder. Here, we present six kindreds with hereditary FSGS that did no ...
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Journal articleAm J Respir Crit Care Med · June 15, 2010
RATIONALE: Cytomegalovirus pneumonitis is one of the most prevalent opportunistic infections after lung transplantation. Early studies reported that cytomegalovirus pneumonitis was a risk factor for chronic allograft dysfunction. More recently, in the era ...
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Journal articleSemin Respir Crit Care Med · April 2010
Despite the recent development of many new immunosuppressive agents for use in transplantation, acute cellular and humoral rejection represent extremely prevalent and serious complications after lung transplantation. Acute cellular rejection, defined as pe ...
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Journal articleHypertension · January 2010
Activation of type 1 angiotensin (AT(1)) receptors causes hypertension, leading to progressive kidney injury. AT(1) receptors are expressed on immune cells, and previous studies have identified a role for immune cells in angiotensin II-dependent hypertensi ...
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Journal articleNat Rev Urol · July 2009
BACKGROUND: A 57-year-old African American man presented to a tertiary care center with a 6-month history of fatigue and worsening abdominal pain. He had lost 9.1 kg in weight in the 3 months leading up to presentation, and described subjective fevers and ...
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Journal articleJ Leukoc Biol · May 2009
The immunity-related GTPases (IRG), also known as p47 GTPases, are a family of proteins that are tightly regulated by IFNs at the transcriptional level and serve as key mediators of IFN-regulated resistance to intracellular bacteria and protozoa. Among the ...
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Journal articleAm J Transplant · September 2008
Kaposi's sarcoma (KS) is associated with solid-organ transplantation, but is extremely rare after lung transplantation. In this report, we describe two unique cases of lung transplant recipients who developed KS in the lung allograft and were treated with ...
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Journal articleAm J Transplant · September 2008
Lymphangiomatosis is a rare disease of lymphatic proliferation for which no adequate treatment is known. We report the first successful case of bilateral lung transplantation for the treatment of end-stage pulmonary lymphangiomatosis. A successful outcome ...
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Journal articleAm J Physiol Renal Physiol · August 2008
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Activation of the renin-angiotensin system contributes to the progression of chronic kidney disease. Based on the known cellular effects of ANG II to promote inflammation, we posited that stimulation of lymphocyte responses by ANG II might contribute to th ...
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Journal articleAm J Transplant · August 2008
Long-term survival of a pulmonary allograft is currently hampered by obliterative bronchiolitis (OB), a form of chronic rejection that is unique to lung transplantation. While tracheobronchial aspiration from gastroesophageal reflux disease (GERD) has clin ...
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Journal articleOncologist · July 2008
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With improving survival following solid organ transplantation, clinicians must be aware of post-transplant complications. One increasingly frequent complication is the development of malignancy after transplantation. The most common malignancies encountere ...
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Journal articleKidney Blood Press Res · 2008
BACKGROUND AND AIMS: Rho kinase (ROCK) inhibition reduces systemic blood pressure (BP) and decreases renal damage in animal models of kidney disease. The aim of this study was to determine if ROCK inhibition might have beneficial effects in glomerular dise ...
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Journal articleJ Immunol · November 15, 2007
IRG proteins, or immunity-related GTPases (also known as p47 GTPases), are a group of IFN-regulated proteins that are highly expressed in response to infection. The proteins localize to intracellular membranes including vacuoles that contain pathogens in i ...
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Journal articleAm J Transplant · May 2007
The incidence of atypical mycobacterial infection among solid organ transplant recipients is increasing. While lung transplant recipients in particular are at greater risk of atypical mycobacterial infection than other solid organ transplant recipients, it ...
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Journal articlePediatr Nephrol · February 2007
Acute interstitial nephritis (AIN) is a known cause of acute renal failure in children. In most instances, drug therapy is the offending agent. Although granuloma formation has been observed in drug-induced interstitial nephritis, it is not a commonly asso ...
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Journal articleTransplantation · November 15, 2006
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Postinfectious glomerulonephritis (PIGN) is a rare etiology of de novo glomerulonephritis following kidney transplantation. To date, there have only been eight cases reported in the literature. We report an additional three patients transplanted at our ins ...
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Journal articleAm J Kidney Dis · October 2006
Glomerular lesions that complicate patients with human immunodeficiency virus (HIV) infection include HIV-associated nephropathy, membranous glomerulopathy, and immune-complex glomerulonephritides. This case series presents 3 patients with clinically signi ...
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Journal articleChest · April 2006
RATIONALE: The main hindrance to long-term success of lung transplantation is bronchiolitis obliterans syndrome (BOS), generally thought to be a manifestation of chronic allograft rejection. BOS is associated histologically with epithelial injury, bronchoc ...
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Journal articleTransplant Proc · December 2005
Light chain deposition disease (LCDD) of the kidney is characterized by deposition of monoclonal light chains predominantly in glomeruli and in tubular basement membranes. The disease is frequently associated with a lymphoproliferative disorder, and the ma ...
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Journal articleJ Am Soc Nephrol · December 2005
The glomerular podocyte plays a key role in maintaining the integrity of the glomerular filtration barrier. This function may be regulated by activation of cell surface G protein-coupled receptors (GPCR). Studies suggest that podocytes express GPCR that ar ...
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Journal articleJ Heart Lung Transplant · December 2005
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BACKGROUND: Cytomegalovirus (CMV) is the most important opportunistic pathogen in lung transplant recipients and is associated with direct and indirect morbidity. Infection or disease with CMV is often diagnosed through detection of the virus in the blood, ...
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Journal articleCell Metab · September 2005
Specific inhibitors of COX-2 have been associated with increased risk for cardiovascular complications. These agents reduce prostacyclin (PGI2) without affecting production of thromboxane (Tx) A2. While this abnormal pattern of eicosanoid generation has be ...
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Journal articleJ Heart Lung Transplant · September 2005
BACKGROUND: Lung transplantation is an established treatment modality for a number of chronic lung diseases. Long-term survival after lung transplantation is limited by chronic allograft dysfunction, usually manifested by bronchiolitis obliterans syndrome. ...
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Journal articleMicrosc Microanal · August 2005
Extended abstract of a paper presented at Microscopy and Microanalysis 2005 in Honolulu, Hawaii, USA, July 31--August 4, 2005. ...
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Journal articleScience · June 17, 2005
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Focal and segmental glomerulosclerosis (FSGS) is a kidney disorder of unknown etiology, and up to 20% of patients on dialysis have been diagnosed with it. Here we show that a large family with hereditary FSGS carries a missense mutation in the TRPC6 gene o ...
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Journal articleJ Heart Lung Transplant · May 2005
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Intravenous injection of drugs that contain insoluble foreign material can lead to pulmonary embolization of the material and can have devastating results, including pulmonary hypertension and death. Most cases are detected after the onset of extensive, ir ...
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Journal articleHum Immunol · April 2005
Acute humoral rejection (AHR) in kidney transplantation is associated with higher rates of allograft loss when compared with acute cellular rejection (ACR). Treatment with intravenous immunoglobulin (IVIG) combined with plasmapheresis (PP) has been used re ...
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Journal articlePhysiol Genomics · August 11, 2004
To understand the physiological role of angiotensin type 1 (AT(1)) receptors in the proximal tubule of the kidney, we generated a transgenic mouse line in which the major murine AT(1) receptor isoform, AT(1A), was expressed under the control of the P1 port ...
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Journal articleClin Transplant · August 2004
Recurrent episodes of acute rejection (AR) and/or the intense immunosuppression used for their treatment have been proposed as risk factors for BK nephritis (BKN; BK refers to the initials of the first patient from whom this polyomavirus was isolated). To ...
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Journal articleChest · October 2003
INTRODUCTION: Posttransplant lymphoproliferative disorder (PTLD) is a relatively infrequent but devastating complication that occurs after solid-organ transplantation. Although the optimal treatment for this condition is unknown, rituximab, a murine/human ...
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Journal articleAm J Respir Crit Care Med · September 15, 2003
Although innate immunity is crucial to pulmonary host defense and can initiate immune and inflammatory responses independent of adaptive immunity, it remains unstudied in the context of transplant rejection. To investigate the role of innate immunity in th ...
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Journal articleJ Immunol · July 1, 2003
Coordinated rearrangements of the actin-myosin cytoskeleton facilitate early and late events in T cell activation and signal transduction. As many important features of cell shape rearrangement involve small GTP-binding proteins, we examined the contributi ...
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Journal articleTransplantation · June 15, 2003
BACKGROUND: With a continuing demand for donor kidneys for organ transplantation, it is important to understand the significance of pathologic findings in the donor organ before transplantation. Microvascular thrombosis is sometimes encountered in associat ...
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Journal articleClin Transplant · June 2003
African-Americans (A-As) experience inferior outcome after transplantation compared with other ethnic groups. Bioavailability of cyclosporin (CsA) has been implicated as a possible contributing factor. This paper describes the outcome of 32 A-A recipients ...
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Journal articleTransplantation · May 15, 2003
BACKGROUND: Acute humoral rejection (AHR) has been associated with enhanced graft loss. Our study compared the renal allograft survival of patients with AHR treated with plasmapheresis (PP) and intravenous immunoglobulin (IVIG) with allograft survival in p ...
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Journal articleClin Nephrol · May 2003
AIMS: Renal allograft biopsies play a critical role in renal transplantation. Acute rejection characterized by tubulitis and intimitis is of primary concern. There is an association between eosinophilic infiltrates and irreversible acute rejection; however ...
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Journal articleUltrastruct Pathol · 2003
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Organized or structured deposits are encountered during electron microscopic examination of kidney tissue in a wide variety of primary renal and multisystemic disorders. They are most commonly seen in the renal glomerulus, though extraglomerular sites are ...
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Journal articleSurg Endosc · December 2002
BACKGROUND: Lung transplantation has emerged as a viable therapeutic option for patients with a variety of end-stage pulmonary diseases. As immediate posttransplant surgical outcomes have improved, the greatest limitation of lung transplantation remains ch ...
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Journal articleTransplantation · September 27, 2002
BACKGROUND: Chronic allograft rejection manifested as bronchiolitis obliterans syndrome (BOS) is the leading cause of late death after lung transplantation. Although increasing evidence suggests an association between anti-human leukocyte antigens (HLA) an ...
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Journal articleChest · April 2001
Influenza infection is increasingly recognized to cause significant morbidity and mortality in the community, especially in pediatric patients and elderly persons. Influenza infection, however, has not been well described among thoracic organ transplant re ...
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Journal articleLiver Transpl · January 2001
Biliary complications after orthotopic liver transplantation (OLT) lead to considerable morbidity and occasional mortality after surgery. Bile duct strictures secondary to localized lymphoproliferative disorder of the porta hepatis is rare, with only 12 ca ...
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Journal articleJ Immunol · December 1, 2000
The hallmark of acute allograft rejection is infiltration of the inflamed graft by circulating leukocytes. We studied the role of fractalkine (FKN) and its receptor, CX(3)CR1, in allograft rejection. FKN expression was negligible in nonrejecting cardiac is ...
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Journal articleChest · October 2000
Gastroesophageal reflux (GER) is increasingly recognized as contributing to a number of pulmonary disorders. The relationship of GER to pulmonary allograft dysfunction after lung transplantation is unknown. In this report, we describe a lung transplant rec ...
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Journal articleJ Virol Methods · September 2000
A recombinant murine cytomegalovirus (mCMV) that expresses enhanced green fluorescent protein (EGFP) under control of the native immediate-early 1/3 promoter was constructed to detect directly sites of viral activity in latent and reactivated infections. T ...
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Journal articleLiver Transpl · July 2000
The majority of patients undergoing orthotopic liver transplantation (OLT) have end-stage liver disease secondary to hepatitis C virus (HCV) infection. Although OLT does not cure the disease and recurrent virus is present in all patients, relatively few pa ...
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Journal articleAm J Surg Pathol · May 2000
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Post-transplantation lymphoproliferative disease (PTLD) is a complication of solid organ transplantation that is typically of B-cell origin and associated with Epstein-Barr virus (EBV). In patients receiving orthotopic liver transplantation (OLT) and treat ...
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Journal articleAnn Thorac Surg · May 2000
BACKGROUND: Panel-reactive antibody (PRA) is used to estimate the degree of humoral sensitization in the recipient before transplantation. Although pretransplant sensitization is associated with increased complications in other solid organ transplant recip ...
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Journal articleAnn Transplant · 2000
OBJECTIVES: Anastomotic infections are an uncommon but potentially devastating complication after lung transplantation. The incidence, microbiology, predisposing factors, and clinical outcomes of anastomotic infections have not been well described. METHODS ...
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Journal articleUltrastruct Pathol · 2000
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Renal diseases involving glomerular deposits of fibrillary material are an important diagnostic challenge for the ultrastructural pathologist. Two primary disorders of this type, termed "fibrillary glomerulonephritis" (characterized by fibrils measuring ap ...
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Journal articleSaudi J Kidney Dis Transpl · 2000
Renal diseases associated with hepatitis C virus (HCV) infection are a significant problem for clinicians and diagnostic pathologists. A wide variety of disorders, including a spectrum of immune-complex glomerulonephritides, has been reported in associatio ...
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Journal articleRadiology · December 1999
PURPOSE: To evaluate radiologic finding of respiratory viral infection in lung transplant recipients with clinical correlation. MATERIALS AND METHODS: Over 5 years, 21 episodes of respiratory viral infection (parainfluenza [n = 9], respiratory syncytial vi ...
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Journal articleJ Investig Dermatol Symp Proc · December 1999
This is a case report of an immunocompromised individual who presented with progressive alopecia, friable follicular spinous processes, and erythematous, indurated papules. Examination of skin biopsies using light microscopy and immunohistochemistry reveal ...
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Journal articleKidney International · December 1, 1999
Background. Focal segmental glomerulosclerosis (FSGS) is the underlying pathologic entity in 5% of adults and 20% of children with end-stage renal disease (ESRD). FSGS is generally considered to be sporadic in origin. Methods. Recently, we identified 60 fa ...
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Journal articleTransplantation · November 15, 1999
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BACKGROUND: Interstitial nephritis caused by BK polyomavirus is a recognized complication of renal transplantation. A study of renal transplant recipients at Duke University Medical Center was undertaken to evaluate diagnostic modalities and assess clinica ...
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Journal articleKidney Int · November 1999
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BACKGROUND: Focal segmental glomerulosclerosis (FSGS) is the underlying pathologic entity in 5% of adults and 20% of children with end-stage renal disease (ESRD). FSGS is generally considered to be sporadic in origin. METHODS: Recently, we identified 60 fa ...
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Journal articleAm J Surg Pathol · October 1999
The distinction between intracranial viral infections and inflammatory conditions requiring immunosuppression is important. Although specific laboratory reagents are readily available for some viruses, diagnosis of arbovirus infection is more difficult. Tr ...
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Journal articleJ Immunol · September 15, 1999
In vitro complement-mediated lysis of heavily sensitized sheep erythrocytes by C4-deficient (C4D) guinea pig and C2-deficient (C2D) human sera was demonstrated some years ago. It was postulated that these "complement-bypass" pathways resulted from activati ...
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Journal articleGenomics · June 1, 1999
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Focal segmental glomerulosclerosis (FSGS) is a pathological entity characterized by proteinuria, nephrotic syndrome, and the progressive loss of renal function. It is a common cause of end-stage renal disease (ESRD). Recently, familial forms of FSGS have b ...
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Journal articleHepatology · May 1999
Hepatic damage following ischemia-reperfusion injury involves polymorphonuclear leukocytes (PMN) and platelet sequestration, however the mechanisms of adhesion remain elusive. In this study, using gene-targeted deficient mice, we evaluated P-selectin and i ...
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Journal articleAm J Kidney Dis · May 1999
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Focal segmental glomerulosclerosis (FSGS) has increasingly been recognized to occur in a familial pattern. We have observed the development of biopsy-confirmed FSGS and subsequent end-stage renal disease (ESRD) in one live related kidney donor and ESRD wit ...
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Journal articleKidney Int · April 1999
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BACKGROUND: Familial forms of focal segmental glomerulosclerosis (FFSGS) that exhibit autosomal dominant or recessive patterns of inheritance have been described. The genetic basis of these hereditary forms of FSGS is unknown. One recent study of a kindred ...
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Journal articleMethods Enzymol · 1999
Confocal microscopy is a valuable adjunct to electron microscopy in the fields of diagnostic and investigative virology. Confocal imaging can be used to examine large amounts of tissue stained by a variety of methods for evidence of viral infection. Areas ...
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Journal articleHum Pathol · December 1998
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The power of electron microscopy as a diagnostic tool can be amplified considerably by the application of ancillary preparative and analytic methods. Subcellular chemistry and structure can be examined by various forms of microprobe analysis and by special ...
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Journal articleJ Heart Lung Transplant · October 1998
Anastomotic infection is an uncommon but potentially life-threatening complication after lung transplantation. We recently encountered three lung transplant recipients with invasive candidal anastomotic infection. Two patients were admitted with dyspnea an ...
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Journal articleMol Vis · September 8, 1998
PURPOSE: To examine the molecular structure and ultrastructural distribution of a novel amine oxidase in human ciliary body. METHODS: Human ciliary bodies were solubilized with a nonionic detergent. The solubilized material was subjected to affinity chroma ...
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Journal articleInvest Ophthalmol Vis Sci · September 1998
PURPOSE: An important goal in glaucoma research has been to understand the functional contribution of trabecular meshwork (TM) and Schlemm's canal (SC) endothelia to aqueous humor outflow resistance. To date, TM cells are routinely cultured and used as a m ...
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Journal articleChest · April 1998
STUDY OBJECTIVE: To define the epidemiology, clinical manifestations, and long-term complications of respiratory viral infections in adult lung transplant recipients. DESIGN: Retrospective review of the records of 122 adult lung transplant recipients over ...
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Journal articleAm J Clin Pathol · January 1998
Nontraditional human pathogenic fungi, including Fusarium, Paecilomyces, and Acremonium species, have been increasingly documented as agents of infection in immunocompromised patients and, occasionally, in normal hosts. Although definitive identification o ...
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Journal articleAm J Kidney Dis · November 1997
Renal disease is a frequent late complication of type I diabetes mellitus, occurring almost entirely in adult patients. Typical diabetic nephropathy is characterized by proteinuria, and by the histological lesions of mesangial expansion and basement membra ...
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Journal articleInvest Ophthalmol Vis Sci · August 1997
PURPOSE: To test the hypothesis that the aberrant, cytokeratin-expressing cells that replace endothelium in the iridocorneal endothelial (ICE) syndrome are of endothelial origin. METHODS: Corneas from four patients with Chandler's syndrome and three with e ...
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Journal articleArch Pathol Lab Med · August 1997
OBJECTIVE: To compare immunofluorescent and immunoperoxidase staining of Rickettsia rickettsii in skin biopsies of patients suspected of having Rocky Mountain spotted fever (RMSF). DESIGN: Immunofluorescent staining results for R rickettsii from skin biops ...
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Journal articleCornea · July 1997
PURPOSE: To report the presence of abnormal endothelium that extruded into the posterior corneal stroma in a patient with posterior polymorphous dystrophy. METHODS: The corneal button of a man who underwent penetrating keratoplasty for posterior polymorpho ...
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Journal articleImmunol Invest · 1997
Electron microscopy (EM) is a valuable tool in diagnostic medicine, and in some cases, can be enhanced by immunological methods. A major medical application of EM, diagnostic virology, can frequently be augmented by employment of immunological reagents. Th ...
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Journal articleUltrastruct Pathol · 1997
A correlative microscopy method for the ultrastructural analysis of focal viral tissue infections is presented. Using a confocal scanning laser microscope, foci of infection are identified in tissue sections prior to embedment; a variety of techniques can ...
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Journal articleClin Nephrol · September 1996
BACKGROUND: Reports in the literature on the outcome of lupus nephritis (LN) treated with intravenous (i.v.) cyclophosphamide have varied considerably. Previous studies have suggested that less than 25% of patients with LN will progress to end stage renal ...
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Journal articleChest · July 1996
Lung transplantation has become an acceptable therapeutic option for end-stage pulmonary diseases. The most common causes of long-term mortality after transplantation are infections and obliterative bronchiolitis (OB). While acute rejection has been shown ...
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Journal articleAm J Kidney Dis · September 1995
We report three cases of selective immunoglobulin A (IgA) deficiency in which lack of direct immunofluorescent staining for IgA on renal biopsy specimens contributed to the diagnosis. In two patients, one with systemic lupus erythematosus and the other hav ...
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Journal articleAm J Kidney Dis · July 1995
The occurrence of focal segmental glomerulosclerosis (FSGS) in a familial pattern has been rarely reported previously. Over the last 10 years we have treated 31 patients among eight families with familial FSGS. The diagnosis was confirmed by renal biopsy i ...
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Journal articleCell Immunol · June 1995
Expression of CD43 (leukosialin, sialophorin) by rat blood monocytes was analyzed by flow cytometric, microscopic, and biochemical techniques. Monocytes were identified cytometrically using a combination of light-scatter parameters and binding of the anti- ...
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Journal articleArch Ophthalmol · March 1995
The pathogenesis of posterior polymorphous dystrophy was analyzed by immunohistologic methods. Sections of corneal buttons from two patients undergoing transplantation owing to posterior polymorphous dystrophy were stained with 2B4.14.1, a monoclonal antib ...
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Journal articleNephrol Dial Transplant · 1995
Thrombotic thrombocytopenic purpura/Hemolytic uremic syndrome (TTP/HUS) is generally regarded to be a rare disease. The present study was undertaken to identify presenting features, prognostic variables, pathological features and outcome associated with TT ...
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Journal articleCurr Eye Res · October 1994
Discordant xenogeneic Hartley guinea pig corneal buttons were transplanted orthotopically to either naive or pre-immune Lewis rats. Recipients were sacrificed serially and grafts were immediately frozen and subsequently examined using standard immunohistol ...
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Journal articleInvest Ophthalmol Vis Sci · July 1994
PURPOSE: To isolate and characterize ciliary body epithelial antigens reactive with a monoclonal antibody, 2B4.14.1. METHODS: A mouse monoclonal antibody generated against human corneal endothelium, 2B4.14.1 reacts with nonpigmented epithelium of human and ...
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Journal articleJ Leukoc Biol · April 1994
CD43 is a hematopoietic cell antigen whose distribution includes T lymphocytes, plasma cells, neutrophils, and platelets. Although it has been detected on peripheral blood monocytes, its expression by other mononuclear phagocytes has not been well document ...
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Journal articleNeurosurgery · April 1994
A 28-year-old woman with prior neurosurgery involving the placement of a cadaveric dural graft developed a rapidly progressive neurodegenerative disorder with prominent cerebellar dysfunction that was proven at autopsy to be Creutzfeldt-Jakob disease. She ...
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Journal articleTransplantation · September 1993
Donor-specific blood transfusion (DSBT) in animals and humans can either promote subsequent renal graft survival or lead to sensitization and graft rejection. Using a rat renal allograft model, we have examined whether the effects of DSBT on renal allograf ...
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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 ...
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Journal articleInvest Ophthalmol Vis Sci · July 1993
PURPOSE: To characterize the fate of Lewis rat corneas transplanted to Hartley guinea pigs. METHODS: Full-thickness Lewis rat corneal buttons were grafted orthotopically to Hartley guinea pigs (xenografts), ACI rats (allografts), or Lewis rats (isografts). ...
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Journal articleTransplantation · May 1993
Hyperacute rejection is a major obstacle to successful transplantation of vascularized xenogeneic organs and is believed to be mediated at least in part by performed xenoreactive "natural antibodies" (NAb). In this study, human NAb that could be involved i ...
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Journal articleJ Am Soc Nephrol · April 1993
The azaspirane SKF 105685 (N,N-dimethyl-8, 8-dipropyl-2-azaspiro (4.5) decane-2-propanamine dihydrochloride) has been shown to attenuate or reverse the course of immunologic disease in several animal models, possibly through the induction of nonspecific su ...
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Journal articleTransplantation · July 1992
Donor-specific blood transfusion (DSBT) given 1-2 weeks prior to transplantation prolongs the survival of fully allogeneic ACI (RT1a) renal allografts in PVG (RT1c) recipients from 6-8 days to greater than 100 days. We have previously demonstrated that ACI ...
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Journal articleInvest Ophthalmol Vis Sci · August 1991
The antigenic composition of the human corneal endothelium, a cellular layer essential for maintaining corneal function, has not been well characterized. A novel corneal endothelial antigen was identified by generating a monoclonal antibody (MAb) against n ...
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Journal articleTransplantation · February 1991
Donor-specific blood transfusion prolongs survival of fully allogeneic ACI (RT1a) renal grafts in PVG (RT1a) recipients from 6-8 days to greater than 100 days. To determine how DSBT alters effector cytotoxic cell responses, we tested freshly isolated perip ...
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Journal articleTransplantation · January 1988
The effects of preoperative donor-specific blood transfusion (DSBT) on the physiologic, morphologic, and immunologic aspects of allograft responsiveness were evaluated in a rat renal transplant model, using the ACI (RT1a) into PVG (RT1c) high-responder str ...
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Journal articleJ Electron Microsc Tech · January 1988
The following communication is a tripartite synopsis of the role of viral infection in the acquired immunodeficiency syndrome (AIDS). The first section describes the impact of viral opportunistic infection in AIDS; for each virus, clinical presentation and ...
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Journal articleHum Immunol · December 1986
In previous communications, we have described the expression of class I and class II histocompatibility antigens by hybrids of human B and T lymphoblastoid cell lines (B- and T-LCL). In all cases, such hybrids were found to resemble their B-LCL parents, ex ...
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Journal articleJ Immunol · February 1985
The human T lymphoblastoid cell line CEM was subjected to immunoselection by co-culture with peripheral blood mononuclear cells (PBMC) for resistance to natural killer (NK) cell-mediated lysis. The NK susceptibility of the resulting subline, CEM.NKR, was 8 ...
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Journal articleImmunogenetics · 1985
Regulation of HLA class I and class II antigen expression was studied in hybrids of human T and B lymphoblastoid cell lines (LCL). The T-LCL CEMR.3 expresses no HLA class II antigens. It expresses little total HLA class I antigen and no HLA-B antigens. The ...
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Journal articleSomat Cell Mol Genet · May 1984
Expression of class I histocompatibility antigens (HLA-A and B) on hybrids of human T and B lymphoblastoid cell lines (LCL) was examined. The T-LCL CEM expressed low levels of HLA-A and B antigens. CEMR and CEMR .3, two 8-azaguanine- and ouabain-resistant ...
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Journal articleHum Immunol · October 1983
The Ia-like antigens of hybrids of the B-lymphoblastoid cell line (B-LCL) WI-L2 and a subline of the T-lymphoblastoid cell line (T-LCL) HSB were examined. Antigens of the HLA-DR and MT series were analyzed by indirect immunofluorescence with chimpanzee ant ...
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Journal articleImmunogenetics · 1983
The mode of expression of novel HLA-DR antigens on hybrids of human T and B lymphoblastoid cell lines (LCL) was examined by several approaches. In each case, the results indicated that the novel antigens are T-LCL-encoded. First, hybrids of sublines of the ...
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Journal articleHum Immunol · November 1982
Intraperitoneal passage of human B-lymphoblastoid cell lines in nude mice was examined as a means of mycoplasma eradication. Recovery of viable cells from the mice was facilitated by immediate plating on feeder layers of human foreskin fibroblasts. In all ...
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