Journal ArticleNat Commun · August 10, 2024
Therapeutic apheresis aims to selectively remove pathogenic substances, such as antibodies that trigger various symptoms and diseases. Unfortunately, current apheresis devices cannot handle small blood volumes in infants or small animals, hindering the tes ...
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Journal ArticleHLA · July 2024
Xenotransplantation is a potential option for individuals for whom an acceptable human allograft is unavailable. Individuals with broadly reactive HLA antibodies due to prior exposure to foreign HLA are potential candidates for a clinical xenotransplant tr ...
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Journal ArticleSci Transl Med · June 12, 2024
Genetic modification of porcine donors, combined with optimized immunosuppression, has been shown to improve outcomes of experimental xenotransplant. However, little is known about outcomes in sensitized recipients, a population that could potentially bene ...
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Journal ArticleAm J Transplant · June 2024
The Banff Working Group on Liver Allograft Pathology met in September 2022. Participants included hepatologists, surgeons, pathologists, immunologists, and histocompatibility specialists. Presentations and discussions focused on the evaluation of long-term ...
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Journal ArticleKidney Int · May 2024
Because of the global shortage of donor kidneys, xenotransplantation emerges as a potential solution for individuals with kidney failure who face challenges in securing a suitable donor kidney. A study featured in this month's issue of Kidney International ...
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Journal ArticleJ Am Soc Nephrol · May 1, 2024
KEY POINTS: Posoleucel was generally safe, well tolerated, and associated with a greater reduction of BK viremia compared with placebo. BK viremia reduction occurred coincident with an increase in the circulating frequency of BK virus–specific T cells in p ...
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Journal ArticleXenotransplantation · 2024
BACKGROUND: Highly sensitized patients face many barriers to kidney transplantation, including higher rates of antibody-mediated rejection after HLA-incompatible transplant. IdeS, an endopeptidase that cleaves IgG nonspecifically, has been trialed as desen ...
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Journal ArticleKidney Int · January 2024
In the study by Sasaki et al. in this issue, the authors studied infusions of ex vivo-expanded regulatory T cells in a highly clinically relevant nonhuman primate kidney transplant model. This commentary will aim to discuss the use of regulatory T cells in ...
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Journal ArticleAnn Surg · November 1, 2023
OBJECTIVE: To compare conventional low-temperature storage of transplant donor livers [static cold storage (SCS)] with storage of the organs at physiological body temperature [normothermic machine perfusion (NMP)]. BACKGROUND: The high success rate of live ...
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Journal ArticleNature · October 2023
Recent human decedent model studies1,2 and compassionate xenograft use3 have explored the promise of porcine organs for human transplantation. To proceed to human studies, a clinically ready porcine donor must be engineered and its xenograft successfully t ...
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Journal ArticleTransplant Direct · August 2023
UNLABELLED: Liver allografts protect renal allografts from the same donor from some, but not all, preformed donor specific alloantibodies (DSA). However, the precise mechanisms of protection and the potential for more subtle alterations/injuries within the ...
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Journal ArticleCell Rep · July 25, 2023
Human bone marrow (BM) plasma cells are heterogeneous, ranging from newly arrived antibody-secreting cells (ASCs) to long-lived plasma cells (LLPCs). We provide single-cell transcriptional resolution of 17,347 BM ASCs from five healthy adults. Fifteen clus ...
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Journal ArticleTransplantation · July 1, 2023
BACKGROUND: Urine CXCL10 (C-X-C motif chemokine ligand 10, interferon gamma-induced protein 10 [IP10]) outperforms standard-of-care monitoring for detecting subclinical and early clinical T-cell-mediated rejection (TCMR) and may advance TCMR therapy develo ...
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Journal ArticleSci Adv · May 19, 2023
Among sensitized patients awaiting a transplant, females are disproportionately represented, partly because of pregnancy-induced sensitization. Using female NHPs sensitized by pregnancy alone, we examined the efficacy of costimulation blockade and proteaso ...
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Journal ArticleAm J Kidney Dis · May 2023
There is growing interest in daratumumab in the solid organ transplant realm owing to the potential immunomodulatory effects on CD38-expressing cells, primarily plasma cells, as they have a key role in antibody production. In particular there is interest i ...
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Journal ArticlePatterns (N Y) · April 14, 2023
In the current US organ transplantation system, there are no regulations defining how organ procurement organizations must manage personal data and protect the privacy of donors and recipients. In response to the recent announcement of a major overhaul of ...
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Journal ArticleNat Commun · August 10, 2024
Therapeutic apheresis aims to selectively remove pathogenic substances, such as antibodies that trigger various symptoms and diseases. Unfortunately, current apheresis devices cannot handle small blood volumes in infants or small animals, hindering the tes ...
Full textLink to itemCite
Journal ArticleHLA · July 2024
Xenotransplantation is a potential option for individuals for whom an acceptable human allograft is unavailable. Individuals with broadly reactive HLA antibodies due to prior exposure to foreign HLA are potential candidates for a clinical xenotransplant tr ...
Full textLink to itemCite
Journal ArticleSci Transl Med · June 12, 2024
Genetic modification of porcine donors, combined with optimized immunosuppression, has been shown to improve outcomes of experimental xenotransplant. However, little is known about outcomes in sensitized recipients, a population that could potentially bene ...
Full textLink to itemCite
Journal ArticleAm J Transplant · June 2024
The Banff Working Group on Liver Allograft Pathology met in September 2022. Participants included hepatologists, surgeons, pathologists, immunologists, and histocompatibility specialists. Presentations and discussions focused on the evaluation of long-term ...
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Journal ArticleKidney Int · May 2024
Because of the global shortage of donor kidneys, xenotransplantation emerges as a potential solution for individuals with kidney failure who face challenges in securing a suitable donor kidney. A study featured in this month's issue of Kidney International ...
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Journal ArticleJ Am Soc Nephrol · May 1, 2024
KEY POINTS: Posoleucel was generally safe, well tolerated, and associated with a greater reduction of BK viremia compared with placebo. BK viremia reduction occurred coincident with an increase in the circulating frequency of BK virus–specific T cells in p ...
Full textLink to itemCite
Journal ArticleXenotransplantation · 2024
BACKGROUND: Highly sensitized patients face many barriers to kidney transplantation, including higher rates of antibody-mediated rejection after HLA-incompatible transplant. IdeS, an endopeptidase that cleaves IgG nonspecifically, has been trialed as desen ...
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Journal ArticleKidney Int · January 2024
In the study by Sasaki et al. in this issue, the authors studied infusions of ex vivo-expanded regulatory T cells in a highly clinically relevant nonhuman primate kidney transplant model. This commentary will aim to discuss the use of regulatory T cells in ...
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Journal ArticleAnn Surg · November 1, 2023
OBJECTIVE: To compare conventional low-temperature storage of transplant donor livers [static cold storage (SCS)] with storage of the organs at physiological body temperature [normothermic machine perfusion (NMP)]. BACKGROUND: The high success rate of live ...
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Journal ArticleNature · October 2023
Recent human decedent model studies1,2 and compassionate xenograft use3 have explored the promise of porcine organs for human transplantation. To proceed to human studies, a clinically ready porcine donor must be engineered and its xenograft successfully t ...
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Journal ArticleTransplant Direct · August 2023
UNLABELLED: Liver allografts protect renal allografts from the same donor from some, but not all, preformed donor specific alloantibodies (DSA). However, the precise mechanisms of protection and the potential for more subtle alterations/injuries within the ...
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Journal ArticleCell Rep · July 25, 2023
Human bone marrow (BM) plasma cells are heterogeneous, ranging from newly arrived antibody-secreting cells (ASCs) to long-lived plasma cells (LLPCs). We provide single-cell transcriptional resolution of 17,347 BM ASCs from five healthy adults. Fifteen clus ...
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Journal ArticleTransplantation · July 1, 2023
BACKGROUND: Urine CXCL10 (C-X-C motif chemokine ligand 10, interferon gamma-induced protein 10 [IP10]) outperforms standard-of-care monitoring for detecting subclinical and early clinical T-cell-mediated rejection (TCMR) and may advance TCMR therapy develo ...
Full textLink to itemCite
Journal ArticleSci Adv · May 19, 2023
Among sensitized patients awaiting a transplant, females are disproportionately represented, partly because of pregnancy-induced sensitization. Using female NHPs sensitized by pregnancy alone, we examined the efficacy of costimulation blockade and proteaso ...
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Journal ArticleAm J Kidney Dis · May 2023
There is growing interest in daratumumab in the solid organ transplant realm owing to the potential immunomodulatory effects on CD38-expressing cells, primarily plasma cells, as they have a key role in antibody production. In particular there is interest i ...
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Journal ArticlePatterns (N Y) · April 14, 2023
In the current US organ transplantation system, there are no regulations defining how organ procurement organizations must manage personal data and protect the privacy of donors and recipients. In response to the recent announcement of a major overhaul of ...
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Journal ArticleAm J Transplant · January 2023
The Organ Procurement and Transplantation Network, an arm of the Health Resources and Services Administration, has a contract with the United Network for Organ Sharing since 1986 to provide central oversight of organ donation and transplants in the United ...
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Journal ArticleAm J Transplant · January 2023
Although anti-HLA (Human Leukocyte Antigen) donor-specific antibodies (DSAs) are commonly measured in clinical practice and their relationship with transplant outcome is well established, clinical recommendations for anti-HLA antibody assessment are sparse ...
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Journal ArticleFrontiers in Transplantation · January 1, 2023
The United States system of solid organ transplantation is overseen by the Organ Procurement Transplantation Network (OPTN). Recent announcements from the Health Resources and Services Administration (HRSA) indicate their clear intention to reform the syst ...
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Journal ArticleFront Transplant · 2023
The contributions of Dr. Hilliard Seigler to the founding of the Duke kidney transplantation program were considerable in both surgery and immunology. Some of these highlights are summarized based upon interviews with Dr. Seigler by the authors. ...
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Journal ArticleFront Transplant · 2023
INTRODUCTION: One-third of HLA-incompatible kidney transplant recipients experience antibody mediated rejection (AMR) with limited treatment options. This study describes a novel treatment strategy for AMR consisting of proteasome inhibition and costimulat ...
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Journal ArticleFront Transplant · 2023
Using novel drugs targeting lymphocyte costimulation, cytokines, antibody, complement, and plasma cells, we have developed strategies in a non-human primate model to modulate the B cell response to incompatible kidney transplants. After more than two decad ...
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Journal ArticleKidney360 · December 29, 2022
Preexisting donor-specific antibodies (DSA) to MHC antigens increase the risk of antibody-mediated rejection (AMR) in sensitized transplant recipients and reduces graft survival. Pretransplant desensitization with costimulation blockade and proteasome inhi ...
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Journal ArticleJ Immunol Methods · December 2022
BACKGROUND: Given the role of B cells in sensitization and antibody-mediated rejection pathogenesis, the ability to identify, isolate, and study B cells in vitro is critical for understanding these processes and developing novel therapeutics. While in vivo ...
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Journal ArticleAm J Transplant · December 2022
Sensitized patients, those who had prior exposure to foreign human leukocyte antigens, are transplanted at lower rates due to challenges in finding suitable organs. Desensitization strategies have permitted highly sensitized patients to undergo kidney tran ...
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Journal ArticleAnn Surg · November 1, 2022
OBJECTIVE: To define benchmark values for liver transplantation (LT) in patients with perihilar cholangiocarcinoma (PHC) enabling unbiased comparisons. BACKGROUND: Transplantation for PHC is used with reluctance in many centers and even contraindicated in ...
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Journal ArticleJ Allergy Clin Immunol · September 2022
Establishing tolerance remains a central, if elusive, goal of transplantation. In solid-organ transplantation, one strategy for inducing tolerance has been cotransplantation of various forms of thymic tissue along with another organ. As one of the biologic ...
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Journal ArticleTransplantation · August 1, 2022
The measurement of outcomes in kidney transplantation has been more accurately documented than almost any other surgical procedure result in recent decades. With significant improvements in short- and long-term outcomes related to optimized immunosuppressi ...
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Journal ArticleFront Immunol · 2022
Despite dramatic improvement in kidney transplantation outcomes over the last decades due to advent of modern immunosuppressive agents, long-term outcomes remain poor. Antibody-mediated rejection (ABMR), a B cell driven process, accounts for the majority o ...
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Journal ArticleFront Immunol · 2022
Aberrant activation of the complement system contributes to solid-organ graft dysfunction and failure. In kidney transplantation, the complement system is implicated in the pathogenesis of antibody- and cell-mediated rejection, ischemia-reperfusion injury, ...
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Journal ArticleCommun Biol · November 25, 2021
Multiplex immunoassays with acellular antigens are well-established based on solid-phase platforms such as the Luminex® technology. Cell barcoding by amine-reactive fluorescent dyes enables analogous cell-based multiplex assays, but requires multiple label ...
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Journal ArticleJ Clin Med · November 24, 2021
The impact of HLA matching on graft survival has been well characterized in renal transplantation, with a higher degree of matching associated with superior graft survival. Additionally, living donor grafts are known to confer superior survival compared to ...
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Journal ArticleNat Commun · September 15, 2021
Sensitized kidney transplant recipients experience high rates of antibody-mediated rejection due to the presence of donor-specific antibodies and immunologic memory. Here we show that transient peri-transplant treatment with the central complement componen ...
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Journal ArticleHepatol Commun · September 2021
Normothermic machine perfusion (NMP) provides clinicians an opportunity to assess marginal livers before transplantation. However, objective criteria and point-of-care (POC) biomarkers to predict risk and guide decision making are lacking. In this investig ...
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Journal ArticleJ Biomed Opt · September 2021
SIGNIFICANCE: The current gold standard for monitoring small intestinal transplant (IT) rejection is endoscopic visual assessment and biopsy of suspicious lesions; however, these lesions are only superficially visualized by endoscopy. Invasive biopsies pro ...
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Journal ArticleJ Clin Med · August 18, 2021
Patients with previous sensitization events against anti-human leukocyte antigens (HLA) often have circulating anti-HLA antibodies. Following organ transplantation, sensitized patients have higher rates of antibody-mediated rejection (AMR) compared to thos ...
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Journal Article · May 21, 2021
AbstractWe describe generation of stable, fluorescence-barcoded cell lines suitable for multiplex screening of antibody to membrane proteins. The utility of this cell-based system, capable of a 256-plex cell panel, ...
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Journal ArticleWorld J Surg · May 2021
BACKGROUND: "Textbook outcome" (TO) is a novel composite quality measure that encompasses multiple postoperative endpoints, representing the ideal "textbook" hospitalization for complex surgical procedures. We defined TO for kidney transplantation using a ...
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Journal ArticleKidney Int · January 2021
Sensitized patients are difficult to transplant due to pre-formed anti-donor immunity. We have previously reported successful desensitization using carfilzomib and belatacept in a non-human primate (NHP) model. Here we evaluated selective blockade of the c ...
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Journal ArticleFront Immunol · 2021
BACKGROUND: In transplantation, plasmapheresis and IVIg provide the mainstay of treatment directed at reducing or removing circulating donor-specific antibody (DSA), yet both have limitations. We sought to test the efficacy of targeting the IgG recycling m ...
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Journal ArticleFront Immunol · 2021
There is an urgent need for therapeutic interventions for desensitization and antibody-mediated rejection (AMR) in sensitized patients with preformed or de novo donor-specific HLA antibodies (DSA). The risk of AMR and allograft loss in sensitized patients ...
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Journal ArticleFront Immunol · 2021
Antibody-mediated allograft rejection (AMR) causes more kidney transplant failure than any other single cause. AMR is mediated by antibodies recognizing antigens expressed by the graft, and antibodies generated against major histocompatibility complex (MHC ...
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Journal ArticleAm J Transplant · October 2020
Allosensitization constitutes a major barrier in transplantation. Preexisting donor-reactive memory T and B cells and preformed donor-specific antibodies (DSAs) have all been implicated in accelerated allograft rejection in sensitized recipients. Here, we ...
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Journal ArticleWorld J Surg · October 2020
BACKGROUND: Textbook outcome (TO) is an emerging concept within multiple surgical domains, which represents a novel effort to define a standardized, composite quality benchmark based on multiple postoperative endpoints that represent the ideal "textbook" h ...
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Journal ArticleAnn Surg · September 1, 2020
OBJECTIVE: We sought to compare kidney transplantation outcomes between Veterans Affairs (VA) and non-VA transplant centers. SUMMARY BACKGROUND DATA: Transplant care at the VA has previously been scrutinized due to geographic and systematic barriers. The r ...
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Journal ArticleJCI Insight · June 4, 2020
Eighty-six infants born without a thymus have been treated with allogeneic cultured thymus tissue implantation (CTTI). These infants, who lack T cells and are profoundly immunodeficient at birth, after CTTI from an unmatched donor develop T cells similar t ...
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Journal ArticleAm J Transplant · June 2020
During the past 5 decades, short-term outcomes in kidney transplant have significantly improved, in large part due to reduced rates and severity of acute rejection. Development of better immunosuppressive maintenance agents, as well as new induction therap ...
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Journal ArticleLancet · May 23, 2020
BACKGROUND: Use of cell-based medicinal products (CBMPs) represents a state-of-the-art approach for reducing general immunosuppression in organ transplantation. We tested multiple regulatory CBMPs in kidney transplant trials to establish the safety of regu ...
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Journal ArticleTransplantation · May 2020
BACKGROUND: Calcineurin inhibitors successfully control rejection of transplanted organs but also cause nephrotoxicity. This study, using a rhesus monkey renal transplantation model, sought to determine the applicability of a new immunomodulatory drug inhi ...
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Journal ArticleTransplantation · May 2020
With the development of modern solid-phase assays to detect anti-HLA antibodies and a more precise histological classification, the diagnosis of antibody-mediated rejection (AMR) has become more common and is a major cause of kidney graft loss. Currently, ...
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Journal ArticleTranspl Int · January 2020
Our understanding of the role of B cells in organ transplantation remains incomplete and continues to grow. The majority of research has focused on the detrimental role of antibodies that drive the development of pathogenesis of the transplanted organ. How ...
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Journal ArticleJ Alzheimers Dis · 2020
BACKGROUND: Perioperative neurocognitive disorders (PND) are common complications in older adults associated with increased 1-year mortality and long-term cognitive decline. One risk factor for worsened long-term postoperative cognitive trajectory is the A ...
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Chapter · January 1, 2020
Antibody-mediated rejection (AMR) is a barrier to successful long-term xenograft survival. We compared AMR in kidney xenotransplantation to sensitized kidney allotransplantation in a nonhuman primate model. With conventional CNI-based immunosuppressive mai ...
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Journal ArticleJ Am Soc Nephrol · December 2019
BACKGROUND: Patients with broad HLA sensitization have poor access to donor organs, high mortality while waiting for kidney transplant, and inferior graft survival. Although desensitization strategies permit transplantation via lowering of donor-specific a ...
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ConferenceTransplantation · August 2019
BACKGROUND: There is debate whether simultaneous lung-liver transplant (LLT) long-term outcomes warrant allocation of 2 organs to a single recipient. We hypothesized that LLT recipients would have improved posttransplant survival compared with matched sing ...
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Journal ArticleAnn Surg · August 2019
OBJECTIVE: To investigate trends in long-term graft and patient outcomes following liver transplantation using grafts from donors ≥60 years old. SUMMARY BACKGROUND DATA: The scarcity of donor livers has led to increased utilization of organs from donors ≥6 ...
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Journal ArticleCurr Opin Organ Transplant · August 2019
PURPOSE OF REVIEW: Manipulating costimulatory signals has been shown to alter T cell responses and prolong graft survival in solid organ transplantation. Our understanding of and ability to target various costimulation pathways continues to evolve. RECENT ...
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Journal ArticleSci Transl Med · July 10, 2019
The National Institutes of Health (NIH) has long supported using nonhuman primate (NHP) models for research on kidney, pancreatic islet, heart, and lung transplantation. The primary purpose of this research has been to develop new treatments for down-modul ...
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Journal ArticleTransplant Rev (Orlando) · July 2019
Research in transplant immunology using non-human primate (NHP) species to evaluate immunologic strategies to prevent rejection and prolong allograft survival has yielded results that have translated successfully into human organ transplant patient managem ...
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Journal ArticleJ Am Soc Nephrol · July 2019
BACKGROUND: Donor-specific antibodies are associated with increased risk of antibody-mediated rejection and decreased allograft survival. Therefore, reducing the risk of these antibodies remains a clinical need in transplantation. Plasma cells are a logica ...
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Journal ArticleJ Am Geriatr Soc · April 2019
BACKGROUND/OBJECTIVES: Every year, up to 40% of the more than 16 million older Americans who undergo anesthesia/surgery develop postoperative cognitive dysfunction (POCD) or delirium. Each of these distinct syndromes is associated with decreased quality of ...
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Journal ArticleAm J Transplant · March 2019
Previous evidence suggests that a homeostatic germinal center (GC) response may limit bortezomib desensitization therapy. We evaluated the combination of costimulation blockade with bortezomib in a sensitized non-human primate kidney transplant model. Sens ...
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Journal ArticlePLoS One · 2019
BACKGROUND: Hilar cholangiocarcinoma (hCCA) is a rare and aggressive malignancy with R0 resection being currently the only option for long-term survival. With the improvement in the outcomes of liver transplantation (LT), the indications for LT have expand ...
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Chapter · January 1, 2019
Living donor kidney transplants constitute between 10% and 50% of annual kidney transplant volume worldwide. This chapter presents the history of living donation through the modern-day approach to living donation, with a focus on evolving paradigms of what ...
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Book · January 1, 2019
Offering practical guidance for all members of the transplant team, Kidney Transplantation, Principles and Practice, 8th Edition, provides the balanced, up-to-date information you need to achieve optimal outcomes for your patients. A global team of interna ...
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Chapter · January 1, 2019
This chapter reviews outcomes of kidney transplantation using data derived from surveillance and registry data from the United States, Europe, Australia and New Zealand, in addition to data from individual transplant center reports and multicenter trial da ...
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Journal ArticlePediatr Transplant · December 2018
PURPOSE: Improvement in outcomes of LT for pediatric HB and HCC has been reported in small series. We analyzed national outcomes and changes in donor, recipient, and perioperative factors over time that may contribute to survival differences. METHODS: The ...
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Journal ArticleJ Surg Res · November 2018
BACKGROUND: Liver-lung transplantation (LLT) is a rare procedure performed for patients with end-stage liver and lung disease. The lung allocation score (LAS), introduced in 2005, guides lung allocation including those receiving LLT. However, the impact of ...
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Journal ArticleObstet Gynecol · October 2018
BACKGROUND: Portal hypertension in pregnancy is associated with elevated risk of variceal hemorrhage. Ectopic varices, those located outside the esophagus or stomach, are rare but have a high risk of associated maternal morbidity or mortality. CASE: A 31-y ...
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Journal ArticleClin Transplant · October 2018
Human leukocyte antigen (HLA) serotyping is not considered to have significant impact on liver graft survival and does not factor into U.S. organ allocation. Immune-related liver diseases such as primary sclerosing cholangitis (PSC), autoimmune hepatitis ( ...
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Journal ArticleTransplantation · August 2018
The purpose of this review is to discuss immunologic tolerance as it applies to solid organ transplantation and to identify barriers that hinder the achievement of this long-term goal. First, the definition of tolerance and an introduction of mechanisms by ...
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Journal ArticleAm J Transplant · July 2018
The presence of preexisting (memory) or de novo donor-specific HLA antibodies (DSAs) is a known barrier to successful long-term organ transplantation. Yet, despite the fact that laboratory tools and our understanding of histocompatibility have advanced sig ...
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Journal ArticleTransplant Rev (Orlando) · July 2018
Thrombotic microangiopathy (TMA) is a histological feature of antibody-mediated rejection and has the potential to cause problematic graft dysfunction, particularly for highly sensitized cross-match positive kidney transplant recipients. Prompt recognition ...
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Journal ArticleAnn Surg · June 2018
OBJECTIVE: The aim of this study was to investigate the volume-outcome relationship in kidney transplantation by examining graft and patient outcomes using standardized risk adjustment (observed-to-expected outcomes). A secondary objective was to examine t ...
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Journal ArticleTransplant Direct · May 2018
BACKGROUND: Combined lung-liver transplantation (LLT) applies 2 technically challenging transplants in 1 patient with severe 2-organ failure. METHODS: Institutional medical records and United Network for Organ Sharing database were queried for patients at ...
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Journal ArticleFront Immunol · 2018
Despite its excellent efficacy in controlling T cell mediated acute rejection, lymphocyte depletion may promote a humoral response. While T cell repopulation after depletion has been evaluated in many aspects, the B cell response has not been fully elucida ...
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Journal ArticleJ BUON · 2018
Neuroendocrine tumors are the rarest tumors of gallbladder. The most aggressive variant is neuroendocrine carcinoma which represents about 0.5% of all gallbladder carcinomas and 0.2% of all neuroendocrine tumors. It seems possible that survival rates can b ...
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Journal ArticleBlood Adv · November 14, 2017
The detrimental effects of donor-directed antibodies in sensitized transplant patients remain a difficult immunologic barrier to successful organ transplantation. Antibody removal is often followed by rebound. Proteasome inhibitors (PIs) deplete antibody-p ...
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Journal ArticleClin Transplant · September 2017
Recipients of liver allografts from diabetic donors have decreased graft survival. However, limited data exist on the effects of donor HbA1c. We hypothesized that allografts from nondiabetic donors with elevated HbA1c would be associated with decreased sur ...
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Journal ArticleTransplant Direct · September 2017
BACKGROUND: Infiltrative hepatocellular carcinoma with macrovascular invasion is a relatively rare presentation and usually fatal disease. METHODS: Both patients exceeded Milan and University of California-San Francisco (UCSF) criteria, and per Barcelona C ...
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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 ArticleJ Am Soc Nephrol · July 2017
The efficacy of bortezomib monotherapy in desensitizing kidney transplant candidates with preformed donor-specific antibodies remains unclear. We evaluated the effect of bortezomib on preformed antibodies and upstream components of the B cell response in a ...
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Journal ArticleTransplantation · April 2017
Crosstalk between B and T cells in transplantation is increasingly recognized as being important in the alloimmune response. T cell activation of B cells occurs by a 3-stage pathway, culminating with costimulation signals. We review the distinct T cell sub ...
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Journal ArticleSurgery · March 2017
BACKGROUND: After portal vein ligation of 1 side of the liver, the other side regenerates at a slow rate. This slow growth may be accelerated to rapid growth by adding a transection between the 2 sides, i.e., performing portal vein ligation and parenchymal ...
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Journal ArticleCardiovasc Intervent Radiol · March 2017
BACKGROUND AND AIMS: To evaluate the long-term survival benefit of bridging locoregional therapy (LRT) prior to orthotopic liver transplantation (OLT) in patients with hepatocellular carcinoma (HCC) within Milan criteria. METHODS: Our transplant center reg ...
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Journal ArticleAm J Transplant · October 2016
The Banff Working Group on Liver Allograft Pathology reviewed and discussed literature evidence regarding antibody-mediated liver allograft rejection at the 11th (Paris, France, June 5-10, 2011), 12th (Comandatuba, Brazil, August 19-23, 2013), and 13th (Va ...
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Journal ArticleAm J Transplant · September 2016
Previously, we demonstrated that alemtuzumab induction with rapamycin as sole maintenance therapy is associated with an increased incidence of humoral rejection in human kidney transplant patients. To investigate the role of rapamycin in posttransplant hum ...
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Journal ArticleAm J Transplant · June 2016
We have established a model of sensitization in nonhuman primates and tested two immunosuppressive regimens. Animals underwent fully mismatched skin transplantation, and donor-specific antibody (DSA) response was monitored by flow cross-match. Sensitized a ...
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Journal ArticleJ Am Soc Nephrol · February 2016
Noninvasive diagnosis and prognostication of acute cellular rejection in the kidney allograft may help realize the full benefits of kidney transplantation. To investigate whether urine metabolites predict kidney allograft status, we determined levels of 74 ...
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Journal ArticleJ Vasc Interv Radiol · February 2016
PURPOSE: To prospectively evaluate stricture resolution and patency rates of benign biliary strictures treated with percutaneous large-bore catheter "stenting" in patients with and without previous orthotopic liver transplantation (OLT) and to compare trea ...
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Journal ArticleAm J Transplant · January 2016
Allocation policies for liver transplantation underwent significant changes in June 2013 with the introduction of Share 35. We aimed to examine the effect of Share 35 on regional variation in posttransplant outcomes. We examined two patient groups from the ...
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Journal ArticleTransplantation · December 2015
BACKGROUND: Blocking leukocyte function-associated antigen (LFA)-1 in organ transplant recipients prolongs allograft survival. However, the precise mechanisms underlying the therapeutic potential of LFA-1 blockade in preventing chronic rejection are not fu ...
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Journal ArticleAm J Transplant · November 2015
Biomarkers of transplant tolerance would enhance the safety and feasibility of clinical tolerance trials and potentially facilitate management of patients receiving immunosuppression. To this end, we examined blood from spontaneously tolerant renal transpl ...
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Journal ArticleCancer · July 1, 2015
BACKGROUND: The safety and efficacy of yttrium 90 ((90) Y) therapy for unresectable infiltrative hepatocellular carcinoma (HCC) with portal vein thrombosis (PVT) requires further evaluation. METHODS: A prospective, single-center safety and feasibility stud ...
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Journal ArticleHepatology · March 2015
UNLABELLED: Chronic liver disease is characterized by the liver enrichment of myeloid dendritic cells (DCs). To assess the role of disease on myelopoiesis, we utilized a systems biology approach to study development in liver-resident cells expressing stem ...
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Journal ArticleAm J Transplant · March 2015
Depletional strategies directed toward achieving tolerance induction in organ transplantation have been associated with an increased incidence and risk of antibody-mediated rejection (AMR) and graft injury. Our clinical data suggest correlation of increase ...
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Journal ArticleTransplant Rev (Orlando) · January 2015
The transplanted liver appears resistant to antibody-mediated injury compared to other transplanted organs such as kidney or heart. However, a growing number of reports suggest that alloantibody to the liver is associated with poorer outcomes. The data sur ...
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OtherAm J Transplant · August 2014
The results of the multicenter belatacept liver transplant trial disappoint with respect to safety and efficacy, and new approaches will be required before this agent plays a role in liver transplant immunosuppression. See article by Klintmalm et al on pag ...
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Journal ArticleJ Am Coll Surg · May 2014
BACKGROUND: Current literature lacks sufficient data on outcomes after extensive laparoscopic liver resections. We hypothesized that laparoscopic right hepatectomy (LRH) is associated with better clinical outcomes and less overall hospital costs than open ...
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Journal ArticleJ Surg Oncol · May 2014
BACKGROUND: Management of hepatocellular carcinoma (HCC) in the Model for End-Stage Liver Disease (MELD) exception era remains regionally variable. Outcomes were compared for patients undergoing transplant versus resection at a single institution in a UNOS ...
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Journal ArticleAm J Transplant · April 2014
The impact of donor-specific HLA alloantibodies (DSA) on short- and long-term liver transplant outcome is not clearly defined. While it is clear that not all levels of allosensitization produce overt clinical injury, and that liver allografts possess some ...
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ConferenceAm J Transplant · February 2014
The 12th Banff Conference on Allograft Pathology was held in Comandatuba, Brazil, from August 19-23, 2013, and was preceded by a 2-day Latin American Symposium on Transplant Immunobiology and Immunopathology. The meeting was highlighted by the presentation ...
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Journal ArticleAm J Transplant · January 2014
De novo donor-specific antibody (DSA) after organ transplantation promotes antibody-mediated rejection (AMR) and causes late graft loss. Previously, we demonstrated that depletion using anti-CD3 immunotoxin combined with tacrolimus and alefacept (AMR regim ...
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Journal ArticleLiver Transpl · January 2014
Racial and socioeconomic disparities exist in liver transplantation (LT) outcomes among adults, but little research exists for pediatric LT populations. We examined racial differences in graft survival and mortality within a retrospective cohort of pediatr ...
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Journal ArticleTransplant Rev (Orlando) · January 2014
The transplanted kidney, through its urinary output, provides a medium through which the molecular constitution can provide insight into either the healthy function or developing dysfunction of a newly transplanted organ. An assay that would detect the abe ...
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Chapter · January 1, 2014
The field of soLid organ transplantation has rapidly evolved into the treatment of choice for many end-stage organ illnesses. Much of this evolution is attributable to significantly improved short-term outcomes resulting from successful immunosuppressive t ...
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Journal ArticleClin Exp Immunol · December 2013
While there have been significant advances in our understanding of the autoimmune responses and the molecular nature of the target autoantigens in primary biliary cirrhosis (PBC), unfortunately these data have yet to be translated into new therapeutic agen ...
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Journal ArticleJ Urol · December 2013
PURPOSE: Bilateral native nephrectomy with simultaneous kidney transplantation is becoming more common for patients with polycystic kidney disease in the living donor nephrectomy era. Single center reports evaluating the short-term and long-term outcomes o ...
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ConferenceBlood · November 15, 2013
AbstractBackgroundSensitization to MHC antigens because of transfusion, pregnancy, and previous grafts is among the most critical chal ...
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Journal ArticleExp Toxicol Pathol · November 2013
Human post-transplant lymphoproliferative disorder (PTLD) is an abnormal lymphoid proliferation that arises in 1-12% of transplant recipients as a consequence of prolonged immunosuppression and Epstein-Barr viral infection (EBV). Nonhuman primates, primari ...
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Journal ArticleN Engl J Med · July 4, 2013
BACKGROUND: The standard test for the diagnosis of acute rejection in kidney transplants is the renal biopsy. Noninvasive tests would be preferable. METHODS: We prospectively collected 4300 urine specimens from 485 kidney-graft recipients from day 3 throug ...
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Journal ArticleTranspl Int · July 2013
Antibody therapy for induction is seldom used in liver transplantation in the United States, but continues to be used in approximately 10% of patients. The most commonly used antibody at the current time is basiliximab (Simulect, Novartis) and is used in a ...
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Journal ArticleCold Spring Harb Perspect Med · July 1, 2013
Because lymphocytes were shown to mediate transplant rejection, their depletion has been studied as a mechanism of preventing rejection and perhaps inducing immunologic tolerance. Agents that profoundly deplete lymphocytes have included monoclonal antibodi ...
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Journal ArticleTranspl Int · June 2013
Cytomegalovirus (CMV) is a major cause of morbidity and mortality following solid organ transplantation (SOT). Two strategies, prophylactic, and preemptive have emerged for the prevention of CMV infection and disease after SOT. This retrospective chart rev ...
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Journal ArticleTransplant Proc · March 2013
BACKGROUND: Improved outcomes have expanded the indications for liver transplantation, thus aggravating the already limited supply of donor organs. Domino liver transplantation (DLT) has been one strategy to augment the supply of donor organs in cases of i ...
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Journal ArticleHepatology · February 2013
UNLABELLED: Collectively, the data in both humans and murine models of human primary biliary cirrhosis (PBC) suggest that activated T cells, particularly CD8 T cells, play a critical role in biliary cell destruction. Under physiological conditions, T-cell ...
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ConferencePLoS One · 2013
Primary biliary cirrhosis (PBC) is considered a model autoimmune disease, with the most highly directed and specific autoantibody in both murine and human autoimmunity, the anti-mitochondrial autoantibody (AMA). However, therapeutic advances in this diseas ...
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Journal ArticleKidney Transplantation-Principles and Practice, Seventh Edition · January 1, 2013
With meticulous updates throughout, Kidney Transplantation remains your definitive medical resource for state-of-the-art answers on every aspect of renal transplantation. A multidisciplinary approach from internationally renowned nephrologists from around ...
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Journal ArticleHepatology · December 2012
UNLABELLED: Chronic hepatitis C virus (HCV) infection is a serious disease that can result in numerous long-term complications leading to liver failure or death. Approximately 80% of people fail to clear their infection, largely as the result of weak, narr ...
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Journal ArticleAm J Pathol · November 2012
Nonalcoholic fatty liver disease is an increasingly prevalent spectrum of conditions characterized by excess fat deposition within hepatocytes. Affected hepatocytes are known to be highly susceptible to ischemic insults, responding to injury with increased ...
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Journal ArticleAm J Transplant · October 2012
Even though the etiology of chronic rejection (CR) is multifactorial, donor specific antibody (DSA) is considered to have a causal effect on CR development. Currently the antibody-mediated mechanisms during CR are poorly understood due to lack of proper an ...
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Journal ArticleAm J Transplant · September 2012
Chronic allograft rejection is a major impediment to long-term transplant success. Humoral immune responses to alloantigens are a growing clinical problem in transplantation, with mounting evidence associating alloantibodies with the development of chronic ...
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Journal ArticleTranspl Int · July 2012
The last two decades have witnessed a pandemic in antibody development, with over 600 entering clinical studies and a total of 28 approved by the FDA and European Union. The incorporation of biologics in transplantation has made a significant impact on all ...
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Chapter · April 19, 2012
National registry data indicate a trend towards increasing use of lymphocyte-depleting antibody induction therapy into immunosuppressive regimens for solid organ transplantation. Depletional induction has been shown to reduce the risk of early acute reject ...
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Journal ArticleSemin Immunol · April 2012
The role of antibodies in chronic injury to organ transplants has been suggested for many years, but recently emphasized by new data. We have observed that when immunosuppressive potency decreases either by intentional weaning of maintenance agents or due ...
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Journal ArticleFront Immunol · 2012
Since the concept of immunologic tolerance was discovered in the 1940s, the pursuit of tolerance induction in human transplantation has led to a rapid development of pharmacologic and biologic agents. Short-term graft survival remains an all-time high, but ...
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Journal ArticleRadiology · December 2011
PURPOSE: To measure diagnostic performance in the detection of hepatocellular carcinoma (HCC) by using the most recent technology and multiphase gadolinium-enhanced magnetic resonance (MR) imaging and to compare with earlier results at the same institution ...
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Journal ArticleJ Immunol · October 15, 2011
Grafts can be rejected even when matched for MHC because of differences in the minor histocompatibility Ags (mH-Ags). H4- and H60-derived epitopes are known as immunodominant mH-Ags in H2(b)-compatible BALB.B to C57BL/6 transplantation settings. Although m ...
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Journal ArticleOncology (Williston Park) · July 2011
The rise of infection with hepatitis C virus worldwide and the lack of effective treatment for this infection has led to a rise in the incidence of hepatocellular carcinoma (HCC). Moreover, it is now accepted that the cirrhotic liver, regardless of etiolog ...
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Journal ArticleAm J Transplant · April 2011
For patients with chronic renal and liver diseases, simultaneous liver and kidney transplantation (SLKT) is the best therapeutic option. The role of a pretransplant donor-specific antibody (DSA) in SLKT is unclear. We report the results of a retrospective ...
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Journal ArticleTransplant Proc · November 2010
T-regulatory cells (Tregs), a subset of CD4(+)CD25(+) lymphocytes, have the functional ability to suppress alloimmune responses in vitro and in vivo. Conditions that promote their development and enhance their biological function may be attractive for prom ...
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Journal ArticleJ Vasc Interv Radiol · August 2010
PURPOSE: To compare survival after treatment with either locoregional therapy (LRT) or supportive care in patients with hepatocellular carcinoma (HCC) within the Milan criteria. MATERIALS AND METHODS: Patients with HCC who were classified within the Milan ...
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Journal ArticlePediatr Transplant · August 2010
Pediatric renal transplant recipients experience side effects of immunosuppression. Few immunoassays exist which can assess the adequacy of immunosuppression. We developed a CKT, whereby cytokine levels are measured in a five-day mixed lymphocyte reaction. ...
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Journal ArticleTransplantation · April 27, 2010
BACKGROUND: Interleukin (IL)-15 is a chemotactic factor to T cells. It induces proliferation and promotes survival of activated T cells. IL-15 receptor blockade in mouse cardiac and islet allotransplant models has led to long-term engraftment and a regulat ...
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OtherJ Clin Invest · April 2010
Belying the spectacular success of solid organ transplantation and improvements in immunosuppressive therapy is the reality that long-term graft survival rates remain relatively unchanged, in large part due to chronic and insidious alloantibody-mediated gr ...
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Journal ArticleJ Immunol · March 1, 2010
Costimulatory signals via B7/CD28 family molecules (signal 2) are critical for effective adaptive CD8(+) T cell immune responses. In addition to costimulatory signals, B7/CD28 family coinhibitory receptor/ligands that modulate immune responses have been id ...
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Journal ArticleDiagn Microbiol Infect Dis · January 2010
We undertook a retrospective cohort study comparing infection in solid organ transplant recipients receiving alemtuzumab (n = 726) versus basiliximab (n = 215) or antithymocyte globulin (ATG) (n = 85). Eighty-one percent of patients had kidney transplants. ...
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Journal ArticleTransplantation · October 27, 2009
Despite the success of immunosuppressive drug therapy to reduce the incidence of acute rejection in organ transplantation, chronic rejection is still an impediment to long-term graft survival and tolerance. There is a growing body of evidence that B-cell p ...
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Journal ArticleJ Rheumatol · October 2009
OBJECTIVE: Renal biopsy is the "gold standard" to determine renal activity in systemic lupus erythematosus (SLE), but it is expensive, invasive, and carries risk. Osteoprotegerin (OPG) is produced by the heart, lungs, kidney, and bone. Monocyte chemoattrac ...
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Journal ArticleAm J Transplant · August 2009
Alemtuzumab is a monoclonal antibody that depletes T and B cells and is used as induction therapy for renal transplant recipients. Without long-term calcineurin inhibitor (CNI) therapy, alemtuzumab-treated patients have a propensity to develop alloantibody ...
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Journal ArticleTransplantation · June 27, 2009
BACKGROUND: Injuries in kidney transplant is currently diagnosed by needle biopsy. A noninvasive test that sensitively detects these injuries would benefit the patients. METHODS: Urine samples were collected from healthy controls and kidney transplant reci ...
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Journal ArticleAm J Transplant · May 2009
Alemtuzumab induction with 60 days of tacrolimus treatment and continuous sirolimus treatment prevented acute rejection in nine of 10 consecutive renal allograft recipients. All patients are alive with a functioning kidney graft at 27-39 months of follow-u ...
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Journal ArticleSemin Liver Dis · February 2009
Spontaneous acceptance of liver allografts occurs in several species. However, tolerance is rare in human transplant patients even though rejection is relatively easily reversed. Histological features of acute rejection in liver transplantation are similar ...
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Journal ArticleTransplantation · January 15, 2009
BACKGROUND: The best induction agent for simultaneous pancreas-kidney transplantation (SPKT) remains the subject of debate. Alemtuzumab is effective in preventing acute cellular rejection (ACR) in SPK recipients and has been used to prevent antibody-mediat ...
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Chapter · December 1, 2008
The success of many modern medical therapies is intimately tied to the success of vascular access. Hemodialysis for renal failure, chemotherapy for cancer, hyperalimentation for nutritional support, plasmapheresis for autoimmune disease, central pressure m ...
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Chapter · December 1, 2008
In 2002 in the United States, 431,281 patients received treatment for end-stage renal disease (ESRD), including 308,910 on dialysis and 122,374 with a functioning renal transplant.1 The prevalence of ESRD is increasing at an annual rate of 4%, down from 9% ...
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Book · December 1, 2008
Updated to reflect todays practice guidelines, the new edition of this comprehensive text remains the definitive resource on all aspects of renal transplantation, including immunological, pathological, psychological and ethical considerations. It examines ...
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Journal ArticleLiver Transpl · October 2008
Bile duct stones and casts (BDS) after liver transplantation are associated with significant morbidity. Risk factors for BDS formation and the efficacy of treatment in liver transplant recipients have not been systematically studied. The aim of this study ...
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Journal ArticleAm J Transplant · August 2008
Alemtuzumab is a humanized, rat monoclonal antibody directed against the CD52 antigen. After binding, alemtuzumab causes profound and durable depletion and has been successfully used as immune induction therapy for organ transplantation. This was a single ...
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Journal ArticleAm J Transplant · August 2008
Previous studies showed that absence of chemokine receptor Cxcr3 or its blockade prolong mouse cardiac allograft survival. We evaluated the effect of the CXCR3 receptor antagonist MRL-957 on cardiac allograft survival, and also examined the impact of anti- ...
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Journal ArticleAm J Transplant · July 2008
To address the results of calcineurin inhibitor (CNI) withdrawal after alemtuzumab induction relative to CNI continuation, we performed a pilot randomized clinical trial in renal allograft recipients on CNI, a mycophenolic acid derivative and steroids afte ...
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Journal ArticleTranspl Int · July 2008
We have used alemtuzumab in combination with triple maintenance immunosuppression in renal transplantation from donors after cardiac death between 2002 and 2006. We compared outcomes of induction therapy with alemtuzumab with interleukin-2 (IL-2) receptor ...
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Journal ArticlePediatr Transplant · June 2008
This study examined the safety and pharmacokinetics/pharmacodynamics of daclizumab in combination with mycophenolate mofetil (or azathioprine), corticosteroids, and cyclosporine or tacrolimus, in 61 pediatric renal allograft recipients in three age groups: ...
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Book · May 21, 2008
Updated to reflect today's practice guidelines, the new edition of this comprehensive text remains the definitive resource on all aspects of renal transplantation, including immunological, pathological, psychological and ethical considerations. It examines ...
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Journal ArticleJ Am Soc Nephrol · April 2008
The prevalence, risk factors, and outcome of antibody-mediated rejection (AMR) of the kidney after simultaneous pancreas-kidney transplantation are unknown. In 136 simultaneous pancreas-kidney recipients who were followed for an average of 3.1 yr, 21 episo ...
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Journal ArticleAm J Transplant · April 2008
Campath-1H (Alemtuzumab) is an effective immunodepletion agent used in renal transplantation. To evaluate its influence on T lymphocytes during repletion, we analyzed peripheral blood from Campath-1H-treated renal allograft recipients for the presence of F ...
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Journal ArticleILAR J · 2008
Nonhuman primates, primarily rhesus macaques (Macaca mulatta), cynomolgus macaques (Macaca fascicularis), and baboons (Papio spp.), have been used extensively in research models of solid organ transplantation, mainly because the nonhuman primate (NHP) immu ...
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Journal ArticleTransplant Proc · 2008
Morphologic characteristics of the graft have been proposed as a major contributor to the long-term outcomes in orthotopic liver transplantation (OLT). Our objective was to determine the impact of donor variables, including donor age, donor-recipient HLA m ...
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Journal ArticleJ Immunol · January 1, 2008
Recurrent episodes of inflammation underlie numerous pathologies, notably those of inflammatory bowel diseases. In this study, we describe a population of macrophages in a novel state of activation that mitigates colitis in mice. The cells responsible for ...
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Journal ArticleJ Immunol · December 15, 2007
Chemokine-chemokine receptor interactions and the subsequent recruitment of T lymphocytes to the graft are believed to be among the initial events in the development of acute and chronic rejection of heart transplants. We sought to determine the role of ch ...
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Journal ArticleJ Immunol · November 15, 2007
We hypothesize that developmental exposure to noninherited maternal Ags (NIMA) results in alloantigen-specific natural and adaptive T regulatory (T(R)) cells. We compared offspring exposed to maternal H-2(d) (NIMA(d)) with nonexposed controls. In vitro ass ...
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Journal ArticleAm J Transplant · November 2007
Transplant patients are at the risk for posttransplant lymphoproliferative disease (PTLD), a virally-driven malignancy. Induction with the depleting antibody preparations Thymoglobulin and OKT3 is associated with PTLD suggesting that the T-cell depletion i ...
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Journal ArticlePediatr Transplant · September 2007
Developments in surgical technique, immunosuppression, organ procurement and preservation, and patient selection criteria have resulted in improved long-term patient and graft survival after pediatric liver transplantation. In this study, we examined the r ...
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OtherAm J Transplant · September 2007
Late graft loss (LGL) and late mortality (LM) following liver transplantation (LT) in children were analyzed from the studies of pediatric liver transplantation (SPLIT) database. Univariate and multivariate associations between pre- and postoperative facto ...
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OtherAnn Surg · August 2007
OBJECTIVE: To examine the outcome of technical variant liver transplant techniques relative to whole organ liver transplantation in pediatric liver transplant recipients. BACKGROUND: Technical variant liver transplant techniques comprising split, reduced, ...
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Journal ArticleTransplantation · June 15, 2007
BACKGROUND: An increase in the incidence of autoimmune diseases has been described in patients receiving alemtuzumab. METHODS: To determine whether induction with alemtuzumab increases recurrence of glomerular disease, we performed a retrospective study in ...
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Journal ArticleImmunology · April 2007
The chemokine receptor CXCR3 is critical for the function of activated T cells. We studied the molecular mechanisms of CXCR3 signalling. The addition of CXCR3 ligands to normal human T cells expressing CXCR3 led to the tyrosine phosphorylation of multiple ...
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Journal ArticleJ Immunol · March 15, 2007
Adaptive T regulatory (T(R)) cells mediate the suppression of donor-specific, delayed-type hypersensitivity (DTH) in tolerant organ transplant recipients. We hypothesized that cells belonging to the CD4(+)CD25(+) T cell subset but distinct from natural T(R ...
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Journal ArticleTransplantation Reviews · January 1, 2007
The alloimmune response in solid organ transplantation is characterized by antigen presentation, activation of the recipient's immune system, and an effector response. Chemokines are chemotactic cytokines and play a role in all 3 components of the alloimmu ...
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Journal ArticleTranspl Int · November 2006
Campath-1H (alemtuzumab) induction was used for renal transplantation in combination with sirolimus as immunosuppression. We previously reported a high (28%) rate of early rejection with this regimen, and now report 3-year outcomes. Twenty-nine patients we ...
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Journal ArticleTranspl Int · September 2006
Alemtuzumab is a monoclonal anti-CD52 antibody, which has been used extensively off label in solid organ transplantation. Its primary use has been as an induction agent at the time of organ transplantation, although there is limited experience using it to ...
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Journal ArticleAm J Transplant · May 2006
Activated T cells orchestrate the immune response that results in graft rejection; therefore, a common goal among current immunosuppressive therapies is to block T-cell activation, proliferation and function. Current immunosuppressive regimens that inhibit ...
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Journal ArticleTransplantation · February 27, 2006
BACKGROUND: A fundamental limitation of in vitro immunologic tests in the field of transplantation is that existing functional tests poorly correlate with in vivo immune responses such as rejection, tolerance, or absence of rejection due to immunosuppressi ...
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ConferenceAm J Transplant · February 2006
The 2005 American Society of Transplant Surgeons (ASTS) Winter Symposium entitled 'The Art and Science of Immunosuppression' explored ways to maximize existing immunosuppressive protocols and to develop new strategies incorporating novel agents and emergin ...
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Journal ArticleTransplantation · January 15, 2006
BACKGROUND: Kidney transplant patients given Campath-1H (Alemtuzumab) immunodepletion therapy and long-term rapamycin monotherapy have excellent graft survival and function at three years. As an initial step in understanding the characteristics of repopula ...
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Journal ArticleTransplantation Reviews · January 1, 2006
Early diagnosis and intervention of acute dysfunction caused by both immune and nonimmune factors in the kidney transplant are crucial for the long-term well-being of the recipient. The monitoring and diagnosis of acute dysfunction and chronic allograft ne ...
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Journal ArticleTransplantation Reviews · January 1, 2006
Nonhuman primate organ transplant models have been and continue to be an excellent conduit for the development of immunosuppressive therapies for use in human organ transplantation. These experimental therapies often make use of immunosuppressive drugs cur ...
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Journal ArticleAnn Surg · November 2005
OBJECTIVE: The outcomes of simultaneous pancreas-kidney (SPK) transplantation with donor organs procured from donation after cardiac death (DCD) are compared with transplants performed with donor organs recovered from donation after brain death (DBD). SUMM ...
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Journal ArticleAnn Surg · November 2005
OBJECTIVE: To determine whether the outcomes of liver transplantation (LTx) from donation after cardiac death (DCD) donors are equivalent to those from donation after brain death (DBD) donors. SUMMARY BACKGROUND DATA: Because of the significant donor organ ...
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Journal ArticlePhilos Trans R Soc Lond B Biol Sci · September 29, 2005
The study of tolerance in the clinic can be divided into three areas: (i) focused evaluation of existing tolerant transplant recipients as to their mechanism of tolerance; (ii) prospective tolerance trials, such as combined bone marrow and kidney transplan ...
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Journal ArticleAm J Transplant · June 2005
Campath-1H is a humanized, monoclonal antibody directed against CD52 determinants on the surface of human B- and T-cells and monocytes. Reports of Campath-1H use as induction in adult renal transplantation have been encouraging with low rejection rates and ...
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Journal ArticleLiver Transpl · February 2005
Hemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome is a rare complication of pregnancy that is associated with preeclampsia and may result in rupture of the liver. Although there have been case reports of liver transplantation for H ...
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Journal ArticleAm J Transplant · January 2005
Treating patients with kidney failure by organ transplantation has been extraordinarily successful. Although, current immunosuppressants have improved short-term allograft survival, most transplants are eventually lost due to chronic allograft nephropathy ...
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Journal ArticleTransplantation · October 15, 2004
BACKGROUND: CXCR3 binding chemokines play a key role in recruitment of inflammatory cells into an organ transplant. This study addresses the question of whether urinary excretion of these chemokines correlates with acute rejection in a baboon kidney transp ...
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Journal ArticleSurgery · October 2004
BACKGROUND: Immune cell depletion is known to prevent renal allograft rejection and injury. We evaluated the humanized monoclonal antibody Campath-1H (alemtuzumab; ILEX Oncology, San Antonio, Texas) in renal transplant recipients for its safety and efficac ...
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Journal ArticleTransplantation · September 27, 2004
BACKGROUND: In this study, we determined whether Campath-1H induction followed by sirolimus monotherapy inhibited alloantibody production in renal transplantation. Second, we evaluated the correlation between human leukocyte antigen (HLA) antibody producti ...
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Journal ArticleAm J Transplant · September 2004
Owing to the shortage of organ donors, there is renewed interest in donation after cardiac death (DCD), formerly referred to as nonheart-beating donation. From January 1984 until August 2000, 382 renal transplants were performed from DCD donors. These were ...
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Journal ArticleClin Infect Dis · August 15, 2004
BACKGROUND: Infected hepatic fluid collections (bilomas) are a major infectious complication of liver transplantation. Limited data exist on management and outcome of biloma. METHODS: We report a cohort study of 57 liver transplant recipients with posttran ...
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Journal ArticleExp Clin Transplant · June 2004
OBJECTIVES: In this study, we describe our 19-year experience with liver transplantation as the definitive treatment for congenital biliary atresia. MATERIALS AND METHODS: We performed a retrospective study of 115 liver transplants from 1984 to 2003 in 85 ...
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Journal ArticleJ Immunol · May 1, 2004
Approaches that prevent acute rejection of renal transplants in a rhesus monkey model were studied to determine a common mechanism of acceptance. After withdrawal of immunosuppression, all 14 monkeys retained normal allograft function for >6 mo. Of these, ...
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Journal ArticlePediatr Transplant · April 2004
Campath-1H is a humanized monoclonal antibody directed at CD52 expressed on lymphocytes and other cells of the immune system. It has been tested extensively in lymphoid malignancies, autoimmune diseases including rheumatoid arthritis, multiple sclerosis, a ...
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Journal ArticleAm J Transplant · April 2004
Bilomas, infected hepatic fluid collections, are a frequent complication of liver transplantation. We report a case-control cohort study to determine the incidence and microbiologic profile of bilomas and risk factors for biloma formation in 492 patients u ...
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Journal ArticleTransplantation · March 27, 2004
BACKGROUND: This study assesses the safety and efficacy of the novel human anti-human CD154 monoclonal antibody ABI793 in rhesus monkeys. METHODS: Outbred rhesus monkeys were used for renal transplantation from major histocompatibility complex-mismatched d ...
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Journal ArticleTransplantation · March 27, 2004
It is clear that both humans and nonhuman primates can do without immunosuppression for long periods of time before rejecting their allogeneic organ transplants. Immune cell depletion, particularly lymphocyte depletion, is an effective clinical strategy fo ...
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Journal ArticleAm J Transplant · March 2004
A noninvasive urinary test that diagnoses acute renal allograft dysfunction would benefit renal transplant patients. We aimed to develop a rapid urinary diagnostic test by detecting chemokines. Seventy-three patients with renal allograft dysfunction prompt ...
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Journal ArticleAnn Transplant · 2004
OBJECTIVES: The objective of this analysis was to compare the results of transplantation of livers, pancreases, kidneys, and lungs from donation after cardiac death (DCD) donors to organs transplanted from donation after brain death (DBD) donors. METHODS: ...
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Journal ArticleTranspl Immunol · 2004
BACKGROUND: There is a need for a simple, sensitive, noninvasive technique for monitoring graft function. We report here on a simple assay called immune status assay (ISA) that determines the status of the graft by simply examining the activation status of ...
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Journal ArticleCurrent Opinion in Organ Transplantation · January 1, 2004
As researchers continue to examine practices in both deceased and living related liver transplantation, there are several animal studies that can provide insight into the mechanisms of injury and offer possible strategies to use such organs in the future. ...
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Journal ArticleImmunol Rev · December 2003
Clinical trials in transplantation have focused on improving outcomes and minimizing side effects associated with renal transplantation. Although immunologic tolerance, which means complete freedom from immunosuppressive drugs and maintenance of excellent ...
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Journal ArticleAnn Surg · December 2003
The treatment options for portal hypertension have expanded greatly in the past 2 decades. More selective use of surgical shunts, improvement in pharmacologic therapy, development of endoscopic variceal ligation, and the maturing of liver transplantation u ...
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Journal ArticleInt Immunol · November 2003
The discovery of new immunosuppressive drugs such as rapamycin, cyclosporin A (CsA) and tacrolimus (FK506) has been very useful for preventing graft rejection and autoimmune disease. However, these drugs are not specific, and are associated with side-effec ...
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Journal ArticleTransplantation · August 15, 2003
BACKGROUND: Unlike acute and hyperacute rejection, chronic rejection (CR) still constitutes a poorly understood process. The onset is insidious, occurs in a period of months to years and, because the pathophysiology is not well understood, is untreatable. ...
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Journal ArticleAm J Transplant · June 2003
Campath-1H, an anti-CD52 monoclonal antibody, was used as induction therapy (40 mg i.v. total dose) in 29 primary human renal transplants, and the patients were maintained on rapamycin monotherapy (levels 8-15 ng/mL) post-transplant. Campath-1H profoundly ...
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Journal ArticleTransplantation · May 27, 2003
BACKGROUND: Chronic allograft nephropathy (CAN) remains a major barrier to long-term allograft survival. The authors retrospectively compared the development of CAN in recipients of cadaveric (CAD), living-related donor (LRD), and living-unrelated donor (L ...
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Journal ArticleTransplant Proc · May 2003
Sirolimus was used as a single agent for maintenance immunosuppression in a pilot trial of 29 primary kidney transplant patients using lymphocyte depletion with Campath-1H as an induction strategy. This allowed sirolimus to be analyzed (dose, blood level, ...
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Journal ArticleTransplantation · April 27, 2003
BACKGROUND: Transplantation of the pancreas has become the treatment of choice for selected patients with type 1 diabetes mellitus. With the current shortage of cadaver donors and the increasing number of diabetic patients on the transplant waiting list, t ...
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Journal ArticleTransplantation · April 15, 2003
BACKGROUND: The in vivo effects of immunosuppressants on T cells are classically determined using animal models of organ transplantation. These methods are technically difficult and time consuming. A simple in vivo method is needed for screening new immuno ...
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Journal ArticleClin Transpl · 2003
We analyzed 752 simultaneous pancreas kidney transplants performed at the University of Wisconsin from December 1985-February 2003. Patient survival rates at 5 and 10 years were 88% and 77%. The 5- and 10-year pancreas survival rates were 78% and 61% and t ...
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Journal ArticleTransplantation Reviews · January 1, 2003
Cyclosporine and FK506 are immunosuppressive drugs that have been extremely useful for treating graft-versus-host disease and autoimmune and inflammatory diseases, and they have truly revolutionized allograft transplantation. These drugs exert at least som ...
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Journal ArticleCurrent Opinion in Organ Transplantation · January 1, 2003
There have been several recent advances in the use of immunosuppression after organ transplantation. The main goal is to induce transplantation tolerance without immunosuppressive drug toxicity. We reviewed both experimental and clinical organ transplantat ...
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Journal ArticleAnnals of surgery · 2003
The treatment options for portal hypertension have expanded greatly in the past 2 decades. More selective use of surgical shunts, improvement in pharmacologic therapy, development of endoscopic variceal ligation, and the maturing of liver transplantation u ...
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Journal ArticleTransplantation · December 15, 2002
BACKGROUND: The discovery of new immunosuppressive agents has enhanced short-term graft survival. However, current immunosuppressants often induce toxicities that limit their clinical use. Thus, there is a need for new immunosuppressants for use in clinica ...
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Journal ArticleCurr Drug Targets Cardiovasc Haematol Disord · December 2002
Induction of transplantation tolerance remains a much sought-after but elusive goal with a potential promise of rendering patients free of long-term immunosuppressive drugs while maintaining good organ transplant function indefinitely. All currently studie ...
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Journal ArticleClin Transpl · 2002
Liver transplantation remains the only definitive therapy for patients with decompensated liver disease. Significant advances over the past 20 years in surgical technique, immunosuppressive agents, patient selection, and infection prophylaxis and treatment ...
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Journal ArticleImmunol Rev · October 2001
Studies in non-human primates to evaluate tolerance strategies in organ transplantation have led to innovation in human transplantation. The two strategies we have studied in detail in non-human primates are T-cell depletion by anti-CD3 immunotoxin and co- ...
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Journal ArticleTransplantation · August 27, 2001
BACKGROUND: Several conventional forms of immunosuppression have been shown to antagonize the efficacy of anti-CD154 monoclonal antibody- (mAb) based costimulatory molecule blockade immunotherapy. Our objective was to determine if allograft recipients trea ...
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Journal ArticleTransplantation · August 27, 2001
BACKGROUND: Anti-CD3 immunotoxin (IT), a T-cell-depleting agent, prolongs survival of renal allografts in a rhesus monkey model without the need for long-term immunosuppression. In this study we sought to further prolong allograft survival by giving short- ...
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Journal ArticleTransplantation · August 15, 2001
BACKGROUND: The T-cell receptor (TCR)/CD3 complex is the target of therapeutic strategies aimed at prolonging allograft survival. The immunotoxin FN18-CRM9, composed of the anti-CD3 monoclonal antibody FN18 and the mutated diphtheria toxin CRM9, is useful ...
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Journal ArticleTransplantation · August 15, 2001
BACKGROUND: Initiated in 1995, the Studies of Pediatric Liver Transplantation (SPLIT) registry database is a cooperative research network of pediatric transplantation centers in the United States and Canada. The primary objectives are to characterize and f ...
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Journal ArticlePhilos Trans R Soc Lond B Biol Sci · May 29, 2001
T-cell depletion prior to or beginning at the time of transplantation has been shown to be a valuable adjunct to the induction of immunological unresponsiveness. Both total lymphoid irradiation and anti-lymphocyte globulin have been used for this purpose i ...
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Journal ArticleClin Transpl · 2001
Since 1984, we have performed 243 living-unrelated renal transplants at the University of Wisconsin. Rejection occurred in 47% of the patients. Graft loss occurred in 59 patients and 39 patients died. Graft survival in LURD transplants at 10 years is 54% a ...
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Journal ArticleJ Gastrointest Surg · 2001
The use of orthotopic liver transplantation (OLTX) for the treatment of hepatocellular carcinoma (HCC) has generally become restricted to carefully selected cases of small oligocentric tumors. However, it is not uncommon to find previously undetected HCC w ...
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Journal ArticleSurgery · October 2000
BACKGROUND: The use of organs from non-heart-beating donors (NHBDs) has been proposed as one way to increase the donor pool. However, few centers have transplanted livers from NHBDs. We report here the results of 19 liver transplants from controlled NHBDs. ...
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Journal ArticleCurr Opin Immunol · October 2000
Research in transplantation tolerance relies on application of successful strategies in a nonhuman-primate organ transplant model for preclinical testing. Three principal approaches are being evaluated: hematopoietic chimerism, lymphocyte depletion and cos ...
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Journal ArticleTransplantation · September 27, 2000
BACKGROUND: In our previously described primate renal allograft model, T cell ablation leads to long-term graft survival. The role of endothelial cell alteration in chronic rejection was examined in our model. METHODS: Renal transplants were performed in r ...
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Journal ArticleTransplantation · September 15, 2000
BACKGROUND: Advances in perioperative care and immunosuppression have enabled clinicians to broaden the indications for organ transplantation. Advanced age is no longer considered a contraindication to transplantation at most centers. Although short-term s ...
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Journal ArticleBlood · May 1, 2000
The activation of blood cells, including T cells, triggers intracellular signals that control the expression of critical molecules, including cytokines and cytokine receptors. We show that T-cell receptor (TCR) ligation increases the cellular level of the ...
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Journal ArticleAnn Surg · March 2000
OBJECTIVE: To compare the outcome of simultaneous pancreas-kidney transplantation (SPK) and living related donor renal transplantation (LRD) in patients with diabetes. SUMMARY BACKGROUND DATA: It remains unanswered whether diabetic patients with end-stage ...
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Journal ArticleJ Biol Chem · January 14, 2000
The T cell receptor (TCR)-CD3 complex and the costimulatory molecule CD28 are critical for T cell function. Both receptors utilize protein tyrosine kinases (PTKs) for the phosphorylation of various signaling molecules, a process that is critical for the fu ...
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Journal ArticleCell Transplant · 2000
From January 1993 through June 1999, 18 simultaneous pancreas-kidney transplants (SPKs) were performed from controlled non-heart-beating donors (NHBDs) and 339 SPKs were performed from heart-beating donors (HBDs). No difference in donor characteristics was ...
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Journal ArticleJ Immunol · December 15, 1999
T cell activation initiates signals that control gene expression of molecules important for T cell function. The focal adhesion kinase Pyk2 has been implicated in T cell signaling. To further analyze the involvement of Pyk2 in T cell processes, we examined ...
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Journal ArticleAJNR Am J Neuroradiol · October 1999
BACKGROUND AND PURPOSE: Systemic invasive aspergillosis involves the brain through hematogenous dissemination. A retrospective review of 18 patients with aspergillosis involving the brain was performed in order to present imaging findings and thereby broad ...
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Journal ArticleSurgery · October 1999
BACKGROUND: Since the advent of liver transplantation and transjugular intrahepatic portosystemic shunts (TIPS), the role of surgical portosystemic shunts in the treatment of portal hypertension has changed. However, we have continued to use portosystemic ...
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Journal ArticleTransplantation · September 15, 1999
BACKGROUND: Immunosuppressive drugs that target T cells are useful for prolonging allograft survival. The anti-CD3 immunotoxin FN18-CRM9 has been shown to effectively prolong renal allograft survival in a rhesus monkey model of transplantation. However, im ...
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Journal ArticleClin Transplant · August 1999
BACKGROUND: Renal transplant artery stenosis (RTAS) continues to be a problematic, but potentially correctable, cause of post-transplant hypertension and graft dysfunction. Older transplant recipients, prone to peripheral vascular disease (PVD), may have p ...
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Journal ArticleTransplantation · July 15, 1999
BACKGROUND: Hypoalbuminemia is associated with poorer outcomes in renal transplantation. Diabetes can compound hypoalbuminemia's detrimental effects. Kidney-pancreas transplantation alters the diabetic milieu; yet, some patients continue to be hypoalbumine ...
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Journal ArticleEur J Immunol · July 1999
CD28 is a T cell surface molecule that is important for T cell activation. CD28-triggered T cell stimulation involves protein tyrosine phosphorylation, a process that is critical for CD28 function. Recently, a linker molecule has been identified as LAT (Li ...
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Journal ArticleNat Med · June 1999
CD154 is the ligand for the receptor CD40. This ligand-receptor pair mediates endothelial and antigen-presenting cell activation, and facilitates the interaction of these cells with T cells and platelets. We demonstrate here that administration of a CD154- ...
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Journal ArticleTransplantation · April 15, 1999
A renal transplant patient developed chronic and progressive back and lower extremity pain followed by foot weakness. The correct diagnosis of lumbosacral plexopathy was made after electromyography and nerve conduction studies and the etiology of radiculop ...
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Journal ArticleJ Biol Chem · March 5, 1999
Protein tyrosine kinases are critical for the function of CD28 in T cells. We examined whether the tyrosine kinases Pyk2 and Fak (members of the focal adhesion kinase family) are involved in CD28 signaling. We found that ligating CD28 in Jurkat T cells rap ...
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Journal ArticleClin Transpl · 1999
Based on the University of Wisconsin experience with 653 cadaver pancreas transplant performed since 1985, we noted that: 1. The overall 5- and 10-year patient survival rates were 87% and 80%, respectively. The 5- and 10-year pancreas graft survival rates ...
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Journal ArticleAdv Surg · 1999
Recent trends in the clinical management of bleeding esophageal varices include a shift away from endoscopic variceal sclerotherapy toward endoscopic variceal ligation. The excellent efficacy of the latter and its lower complication rate favor its increase ...
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Journal ArticleTransplantation · December 27, 1998
BACKGROUND: Mycophenolate mofetil (MMF; Cell-Cept) is a potent and selective inhibitor of B and T lymphocyte proliferation that has proven effective in reducing the incidence of acute rejection in cadaveric kidney transplant recipients in several randomize ...
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Journal ArticleTransplantation · December 27, 1998
BACKGROUND: Although bladder drainage of the pancreas remains the most common site for drainage of exocrine secretions, enteric drainage is becoming more common in the United States. The most common cause of morbidity after pancreas transplantation is infe ...
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Journal ArticleLiver Transpl Surg · November 1998
Experience with hepatic artery embolization for the treatment of symptomatic hepatic arteriovenous malformations (AVMs) in Rendu-Osler-Weber disease is limited. We report 2 cases of hepatic AVMs that caused mesenteric angina-like symptoms that were treated ...
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Journal ArticleCurr Opin Immunol · October 1998
Organ transplants in nonhuman primates provide a model which closely simulates the biological conditions of human organ transplantation, due to similarities between human and primate MHC (class I and II) structure and expression. Several strategies for tol ...
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Journal ArticleSurgery · October 1998
BACKGROUND: Living unrelated renal donation (LURD) has the potential to reduce the current waiting list significantly for kidney transplantation. The purpose of this study was to examine the long-term results of 150 LURDs performed at our center during a 1 ...
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Journal ArticleTranspl Immunol · September 1998
Major histocompatibility complex (MHC) class I antigen is a potent stimulus for alloimmune responses and is the principal immunologic target mediating acute cellular rejection of allografts. Using a method of direct in vivo gene transfer of cDNA encoding d ...
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Journal ArticleAnn Surg · September 1998
METHODS: From December 1985 to October 1997, 500 simultaneous pancreas-kidney transplants (SPKs) were performed at the University of Wisconsin. Bladder drainage (BD) was used in 388 and enteric drainage (ED) in 112. All pancreas transplants were preserved ...
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Journal ArticleSurgery · August 1998
BACKGROUND: T-lymphocyte depletion 7 days before transplantation with immunotoxin FN 18-CRM9 has resulted in tolerance to subsequent renal allografts. We tested the effect of giving immunotoxin on the day of the transplantation and evaluated its effect on ...
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Journal ArticleTransplantation · July 15, 1998
BACKGROUND: Thymoglobulin, a rabbit anti-human thymocyte globulin, was compared with Atgam, a horse anti-human thymocyte globulin for the treatment of acute rejection after renal transplantation. METHODS: A multicenter, double-blind, randomized trial with ...
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Journal ArticleTransplantation · July 15, 1998
BACKGROUND: FN18-CRM9 is a CD3-specific immunotoxin that is capable of depleting CD3+ T cells. Pretreatment of rhesus monkeys with this agent before transplantation can induce donor-specific tolerance and "split tolerance" to renal allografts. METHODS: Het ...
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Journal ArticleHum Immunol · July 1998
Studies suggest that immunosuppression associated with liver transplantation may be related to the secretion of MHC class I antigen (Ag) by hepatocytes. To investigate this possibility, we developed a culture system whereby naive Lewis (RT1.A1) splenocytes ...
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Journal ArticleSemin Gastrointest Dis · July 1998
Although the transplanted human liver is susceptible to rejection with a similar incidence of rejection as seen with renal allografts, the liver enjoys many immunological benefits relative to other transplanted organs. These include relative resistance to ...
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Journal ArticleHum Immunol · July 1998
Rat soluble MHC class I synthesis was studied at both RNA and protein levels to determine whether multiple forms of soluble MHC class I molecules are produced by different mechanisms. RT-PCR and sequencing of MHC class I transcripts identified an alternati ...
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ConferenceFASEB Journal · March 20, 1998
Toxin-conjugated anti-CD3 antibodies have been shown to markedly prolong allograft survival in monkeys. Because these antibodies are directed to the anti-CD3 domain of the T cell receptor, it is possible that these antibodies could activate T cells before ...
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Journal ArticleTransplant Proc · March 1998
In this study, we demonstrated that Px grafts from donors older than 45 years are associated with an increased risk of developing poor glycemic control and premature loss of Px function. Previous studies corroborate our finding that age of the donor is the ...
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Journal ArticleSurg Clin North Am · February 1998
This article discusses the guidelines for brain death determination, the criteria for donor selection, the management of the cadaveric donor, the surgical techniques of isolated renal and multiorgan retrieval, methods of organ preservation, and proper tran ...
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Journal ArticleJ Pediatr Surg · January 1998
METHODS: From July 1984 to July 1995, 99 pediatric patients underwent 127 orthotopic liver transplants (OLT) at the University of Wisconsin Children's Hospital. The patients were divided into four groups according to age at time of transplant: group I, 0 t ...
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Journal ArticleProc Natl Acad Sci U S A · August 5, 1997
Selective inhibition of T cell costimulation using the B7-specific fusion protein CTLA4-Ig has been shown to induce long-term allograft survival in rodents. Antibodies preventing the interaction between CD40 and its T cell-based ligand CD154 (CD40L) have b ...
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Journal ArticleJ Immunol · July 1, 1997
Our purposes were 1) to determine whether direct transfer of cDNA encoding allogeneic MHC class I Ag to the rat thymus would be capable of inducing donor-specific unresponsiveness and 2) to study the immunologic mechanism of this effect. Plasmid DNA encodi ...
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Journal ArticleClin Transplant · June 1997
Clostridial infection of a liver transplant is reported and was treated successfully with immediate retransplantation and antibiotics. This strategy may salvage patients who otherwise have a fulminant course and certain death. This case supports the genera ...
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Journal ArticleTransplantation · May 15, 1997
BACKGROUND: Renal allografts were performed in rhesus monkeys using FN18-CRM9, a potent immunotoxin capable of depleting T cells to less than 1% of baseline levels in blood and lymph nodes, as a preparative agent. We have recently reported that animals pre ...
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Journal ArticleClin Transplant · February 1997
This study examines whether changes in beta 2-microglobulin (B2M) serum levels are useful in the early detection of post-transplant lymphoproliferative disease (PTLD). Serum B2M is monitored daily post-transplant at our center as a marker of change in lymp ...
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Journal ArticleTransplantation · January 15, 1997
BACKGROUND: Transplant tolerance, rather than immunity, may be favored in the setting of a lower mature lymphoid mass in the recipient induced by anti-T cell agents. A novel immunosuppressive agent, FN18-CRM9, known to specifically kill T cells with great ...
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Journal ArticleImmunogenetics · 1997
Rhesus macaques represent important animal models for biomedical research. The ability to identify macaque major histocompatibility complex (Mhc) alleles is crucial for fully understanding these models of autoimmune and infectious disease. Here we describe ...
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Journal ArticleTranspl Int · 1997
Between 1980 and 1995, 13 patients with end-stage renal disease due to Wegener's granulomatosis received 14 renal transplants (10 cadaveric, 4 living related). The mean follow-up in the 13 successfully transplanted patients was 50 months (4-107 months). On ...
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Journal ArticleHPB Surg · 1997
A prospective randomized trial was conducted in unselected, consecutive pateints with bleeding esophageal varices resulting from cirrhosis comparing (1) emergency portacaval shunt performed within 8 hr of initial contact (21 patients) with (2) emergency me ...
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Journal ArticleClin Transpl · 1997
The data show that with careful surgical technique, modern immunosuppression with MMF and FK506, and pancreatic allograft biopsy, it should be possible to achieve: 1) a low rate of technical complications, 2) improved long-term graft survival, particularly ...
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Journal ArticleTransplantation · December 27, 1996
BACKGROUND: Exposure to hepatitis C virus (HCV) and subsequent infection after renal transplantation lead to significant clinical hepatitis in approximately 50% of graft recipients. METHODS: One hundred thirty-two consecutive renal allotransplant patients, ...
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Journal ArticleClin Transplant · December 1996
Diabetic transplant recipients are at a high risk for foot pathology leading to amputation. This retrospective study from 1/85 to 2/95 examines the risk of foot complications in a population (n = 340) of diabetic renal and combined renal/pancreas transplan ...
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Journal ArticleSurgery · October 1996
BACKGROUND: Since the advent of cyclosporine-based immunosuppression for cadaveric kidney transplants in 1983, several changes have been made in immunosuppressive management at the University of Wisconsin. Since 1986, OKT3 has been available to treat stero ...
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Journal ArticleSurgery · October 1996
BACKGROUND: Patients with significant atherosclerotic stenosis involving the artery to a solitary functioning kidney present a clinical challenge. METHODS: From August 1987 through August 1995, 35 of these patients (average age, 68.4 +/- 6.9 years) were tr ...
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Journal ArticleGene Ther · July 1996
Naked plasmid DNA in hypertonic solutions was injected intraportally in mice whose hepatic veins were transiently occluded. High levels of luciferase expression and beta-galactosidase expression in 1% of the hepatocytes throughout the entire liver were ach ...
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Journal ArticleTransplantation · June 27, 1996
With the ultimate goal of modulating the host immune response in organ transplantation, gene therapy studies have demonstrated that direct plasmid DNA injection into transplanted myocardium can result in detectable levels of transgene expression. However, ...
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Journal ArticleTransplantation · June 15, 1996
We studied multiple determinants of graft survival at a single center and the effects of nonimmunologic graft loss on transplant survival. This retrospective study examined the results of 589 cadaver donor transplants performed between 1986 and 1992. Graft ...
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Journal ArticleJ Am Coll Surg · May 1996
BACKGROUND: The purpose of split liver transplantation is to alleviate the organ shortage for patients with end-stage liver disease. The procedure, however, has not gained wide acceptance. This is related not only to the complexity of the procedure but als ...
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Journal ArticleTransplantation · April 27, 1996
B7.75-84, a 10-amino-acid peptide derived from the HLA-B7 molecule, prolongs rat heterotopic cardiac allograft survival time (GST) when used with cyclosporine in the Lewis-to-ACI strain combination. We evaluated the ability of B7.75-84 to prolong GST in ot ...
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Journal ArticleInt J Radiat Oncol Biol Phys · March 15, 1996
PURPOSE: To determine the response rate and kidney graft survival following local irradiation to the transplanted renal graft undergoing persistent rejection after medical management including pulse steroids and OKT3. The role of radiation for renal transp ...
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Journal ArticleKidney Int · February 1996
Controversy exists regarding the risk factors for renal allograft loss in patients with systemic lupus erythematosus (SLE). This study is a retrospective evaluation of each of these independent risk factors in 80 renal transplants for ESRD secondary to SLE ...
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Journal ArticleTransplantation · January 27, 1996
Factors influencing the incidence of recurrent glomerulonephritis following renal transplantation are poorly understood. Bilateral pretransplant native nephrectomy has been advocated to reduce the likelihood of recurrence after renal transplant. However, t ...
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Journal ArticleTransplantation · November 15, 1995
The current liver allocation system has been criticized, since available organs go to those who are the most critically ill. These recipients have the poorest overall survival. Identification of pretransplant risk factors for mortality would allow better a ...
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Journal ArticleSurgery · October 1995
BACKGROUND: Liver transplantation has emerged as the definitive treatment for primary sclerosing cholangitis (PSC). Its relationships to inflammatory bowel disease and cholangiocarcinoma were evaluated in this series. METHODS: Fifty-three liver transplanta ...
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Journal ArticleAnn Surg · September 1995
OBJECTIVE: The objective of this study was to analyze a single center's 28-year experience with 1000 living donor transplants. SUMMARY BACKGROUND DATA: The number of potential renal transplant recipients far exceeds the number of cadaveric donors. For this ...
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Journal ArticleTransplantation · April 15, 1995
The current organ shortage has made utilization of organs from less-than-ideal donors more common. Although several transplant centers use kidneys from non-heart-beating donors (NHBDs), there has been reluctance to extend the use of these donors to extrare ...
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Journal ArticleClin Transpl · 1995
After a decade of rapid development, SPK transplantation has become routine at our center. There are several developments responsible for the current high level of success: UW preservation solution, improved surgical technique, advances in immunosuppressio ...
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Journal ArticleSurgery · October 1994
BACKGROUND: Although liver transplantation offers definitive treatment for portal hypertension with end-stage liver failure, surgical portosystemic shunts avoid the risks of transplantation and immunosuppressive therapy, and transjugular intrahepatic porto ...
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ConferenceSurgery · October 1994
BACKGROUND: An analysis of heterologous polyclonal antisera in first renal transplants was continued after replacement of Minnesota antilymphoblast globulin (MALG) with antithymocyte globulin (ATGAM), testing the hypothesis that these are functionally equi ...
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Journal ArticleJ Pediatr Surg · August 1994
Orthotopic liver transplantation has become the treatment of choice for most children and infants with end-stage liver disease. The purpose of this retrospective study was to examine the results of 100 consecutive liver transplants performed in infants and ...
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Journal ArticleHum Immunol · July 1994
Using an HLA-A2-specific ELISA we monitored daily pretransplantation and posttransplantation sera from five kidney and eight simultaneous pancreas-kidney HLA-A2-negative recipients of HLA-A2-positive transplants during hospitalization. We found that, unlik ...
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Journal ArticleJ Surg Res · July 1994
Organ transplantation in presensitized recipients continues to be contraindicated for heart and kidney recipients due to the risk of hyperacute rejection, which has no known treatment at this time. We tested whether donor serum, which contains soluble MHC ...
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Journal ArticleTransplantation · April 15, 1994
Induction of tolerance to allogeneic MHC antigens has been a goal in the field of transplantation because it would reduce or eliminate the need for generalized immunosuppression. Although encouraging results have been obtained in experimental models by exp ...
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Journal ArticleTransplant Proc · April 1994
In summary, we feel that excellent 5-year patient and graft survival results can be obtained using SPK transplantation with bladder drainage technique. Despite the good results, a significant morbidity with prolonged hospitalization is seen after pancreas ...
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Journal ArticleJ Immunol · January 15, 1994
Plasmid cDNA encoding the alpha-chain of either membrane-bound (pcRT.45) or secreted (pcRQ.B3) RT1Aa MHC class I Ag were transferred to Lewis (RT1(1)) rat skeletal muscle by direct injection. Rats were challenged 7 days later with an ACI (RT1a) heterotropi ...
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Journal ArticleTranspl Int · 1994
To date one of the major dilemmas in clinical pancreas transplantation is the lack of a reliable indicator for pancreas rejection. In a consecutive series of 52 patients undergoing simultaneous pancreas and kidney (SPK) transplantation with bladder drainag ...
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Journal ArticleClin Transpl · 1994
1. LURD transplants were associated with excellent one-year graft survival of 92%. This survival was superior to that for cadaver transplants performed during the same period. 2. High-risk groups for LURDs are children (age < 18 years) and repeat transplan ...
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Journal ArticleSurgery · October 1993
BACKGROUND: Since 1982, 288 pancreas transplantations have been performed at the University of Wisconsin. This report reviews our experience with 200 consecutive simultaneous pancreas-kidney (SPK) transplantations during a 7-year period. METHODS: Two hundr ...
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Journal ArticleAnn Surg · October 1993
OBJECTIVE: The urological complications of 210 patients who underwent simultaneous pancreas-kidney (SPK) transplantation over a 7-year period were reviewed. SUMMARY BACKGROUND DATA: Worldwide, bladder drainage has become the accepted method of exocrine dra ...
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Journal ArticleSurgery · October 1993
BACKGROUND: Biliary atresia can be treated by portoenterostomy, which is primarily palliative, or by liver transplantation, which is primarily curative. The purpose of this study was to determine the long-term outcome of liver transplantation for the treat ...
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Journal ArticleSurgery · October 1993
BACKGROUND: The role of histocompatibility between donor and recipient in liver transplant rejection is unclear because of a paucity of data. The influence of human leukocyte antigen (HLA) type on immunologic graft loss was examined for primary liver trans ...
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Journal ArticleTransplantation · May 1993
Three hundred and four patients underwent 362 liver transplants between July 1984 and April 1992. Fifty-eight retransplants were performed in 44 patients (14.5%). Thirty-four patients underwent two (77.3%), seven patients three (15.9%), two patients four ( ...
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Journal ArticleTransplantation · April 1993
In a retrospective analysis on 323 orthotopic liver transplant procedures performed between July 1984 and October 1991 the incidence of two forms of primary dysfunction (PDF) of the liver: primary nonfunction (PNF), and initial poor function (IPF) were stu ...
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Journal ArticleAm J Kidney Dis · February 1993
Calcium channel blockers have immunomodulating effects in vitro and may be effective in preventing cyclosporine nephrotoxicity. We studied the effect of verapamil following renal transplantation on the incidence of rejection and cyclosporine nephrotoxicity ...
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Journal ArticleClin Transpl · 1993
1. Immunological graft loss in the cyclosporine (CsA) era has been decreasing over the past decade with current 94% immunological graft survival at one year. 2. The rates of both immunological graft loss and graft loss from all causes gradually decrease af ...
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Journal ArticleSurgery · October 1992
BACKGROUND: Alcoholism is the leading cause of end-stage liver failure in the United States, but the application of liver transplantation to the treatment of alcoholic liver disease remains controversial because of medical and ethical concerns. Information ...
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Journal ArticleSurgery · October 1992
BACKGROUND: Bladder drainage has become the procedure of choice for 94% of transplant centers in North America. Bladder drainage is superior to other techniques as far as graft survival and technical success are concerned; however, the procedure is associa ...
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Journal ArticleAnn Surg · June 1992
The development of the University of Wisconsin (UW) cold storage solution has extended safe preservation of the liver and pancreas from 6 to 24 hours or more. From May 1987 until November 1991, 288 livers and 163 simultaneous pancreas/kidney transplants we ...
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Journal ArticleJ Am Soc Nephrol · June 1992
Hyperlipidemia is a well-recognized complication of renal transplantation. In long-term survivors of renal transplantation, cardiovascular disease accounts for the majority of patient deaths. In the cyclosporine era, cardiovascular disease has surpassed in ...
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Journal ArticleTransplantation · January 1992
We retrospectively analyzed 526 primary cadaver recipients transplanted at a single center to identify pretransplant variables that predict long-term survival with multivariate analysis. All recipients received at least three random blood transfusions and ...
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Journal ArticleAnn Surg · December 1991
From December 1985 to December 1989, 100 consecutive simultaneous pancreas-kidney (SPK) transplants were performed at the University of Wisconsin Hospital and Clinics. Bladder drainage technique was used for all grafts. One- and three-year patient survival ...
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Journal ArticleTransplantation · February 1991
Cyclosporine appears to have abrogated age as a contraindication to kidney transplantation in the elderly, although it is unclear whether this is true for other types of solid organ transplantation. We performed a retrospective analysis of liver transplant ...
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Journal ArticleTransplantation · February 1991
A total of 127 haploidentical living-related transplants have been performed at our institution since March 1986. A donor-specific transfusion plus azathioprine protocol was used until July 1988 (n = 74) and a random transfusion (RT) protocol without AZA u ...
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Journal ArticleTransplantation · January 1991
Methods of accurately assessing the suitability of donor livers prior to transplantation are required if the incidence of primary nonfunction (PNF) is to be reduced. This study evaluated the ability of donor liver biopsies to predict the development of pri ...
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Journal ArticleClinical Transplantation · January 1, 1991
The vascular complications following pancreas transplantation have been well described and largely involve either re-operation for hemorrhage or vascular thrombosis. We describe herein a ruptured aneurysm of the transplanted splenic artery 6 years followin ...
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Journal ArticleJ Pediatr Surg · December 1990
Duodenal atresia is rarely associated with anomalous biliary ducts that permit communication between the proximal and distal duodenal segments. Two such cases are presented herein and the literature is reviewed. Although the typical radiographic pattern of ...
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Journal ArticleAnn Surg · August 1990
Pneumatosis intestinalis (PI) occurs in a wide variety of patients, some of whom require urgent surgery, while others can be observed with resolution of symptoms and radiographic findings. During 1 year, 27 patients with PI were prospectively evaluated for ...
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Journal ArticleRadiother Oncol · May 1990
Xenogeneic transplantation (XT) is the transplantation of organs or tissues from a member of one species to a member of another. Mammalian species frequently have circulating antibody which is directed against the foreign organ irrespective of known prior ...
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Journal ArticleClin Transpl · 1990
1. Use of LUrDs under a DST protocol results in a 70% actuarial graft survival at 6 years which is not statistically different from haploidentical or primary cadaver recipients transplanted over the same time period. 2. Sensitization is common, despite the ...
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Journal ArticleClin Transpl · 1989
1. Quadruple immunosuppression yields excellent early renal allograft survival in primary renal transplant recipients when compared with non-primary renal transplant recipients. Although significant, the difference between primary and nonprimary recipients ...
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Journal ArticleRadiother Oncol · August 1987
Immunosuppression generated by total lymphoid irradiation (TLI) may be of use in solid organ transplantation. We have investigated the use of TLI in the rat cardiac allograft model. Lewis rats received TLI from a cobalt-60 machine. The daily dose was 1.25 ...
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Journal ArticleTransplantation · February 1987
Total lymphoid irradiation (TLI) has profound immunosuppressive actions and has been applied successfully to allotransplantation but not xenotransplantation. Cyclosporine (CsA) has not generally permitted successful xenotransplantation of organs but has no ...
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Journal ArticleTransplantation · February 1987
The association of inflammatory cell infiltration with orthotopic rat liver transplant rejection was studied by immunopathologic evaluation of allografts at different time points using high- and low-responder strain combinations. PVG(RT-1c) recipients of A ...
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Journal ArticleTransplantation · January 1987
Hepatic transplantation into humorally presensitized patients has occasionally been performed without reported accelerated rejection. To study survival of orthotopic hepatic transplants in sensitized recipients a series of studies in rats were performed. L ...
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Journal ArticleHepatology · 1987
The effects of several treatments involving α-adrenergic mechanisms upon the early stages of rat liver regeneration were examined. Catecholamine concentrations in rat plasma were measured at various times after hepatectomy and were found to be elevated rel ...
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Journal ArticleJ Heart Transplant · 1986
Total lymphoid irradiation and cyclosporine have profound immunosuppressive properties and permit successful heart allotransplantation. Cyclosporine used alone has not permitted consistently successful transplantation between species in all cases. Total ly ...
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Journal ArticleJ Heart Transplant · 1985
Transplantation into sensitized recipients is contraindicated due to the potential for hyperacute rejection. In order to study the mechanism of hyperacute rejection and the role of immunosuppression in the face of presensitization, we evaluated the effect ...
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Journal ArticleJ Clin Invest · August 1982
The presence of circulating immune complexes (IC) in patients with infective endocarditis has been well documented but the contributions of host and bacterial components to these IC have not been defined. To study this question, IC were isolated from serum ...
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