Articles tagged "Rejection"

2016 American Transplant Congress
Antibody-Mediated Rejection Can Be Assessed by Histology When DSA Is Unknown or Negative.
J. Reeve,¹ P. Halloran.²
¹Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada; ²Department of Medicine, University of Alberta, Edmonton, AB, Canada.
Diagnosis of antibody-mediated rejection (ABMR) in kidney transplants currently requires the presence of donor-specific antibody (DSA) and histologic lesions above somewhat arbitrary cutoffs. DSA is…
2016 American Transplant Congress
The Phenotypic Diversity of Late Silent Antibody-Mediated Rejection.
F. Eskandary,^1,2 J. Reeve,^1,3 H. Regele,⁴ L. Hidalgo,^1,3 D. Yoo,¹ N. Kozakowski,⁴ K. Famulski,¹ G. Böhmig,² P. Halloran.^1,5
¹Alberta Transplant Applied Genomics Centre, University of Alberta, Edmonton, AB, Canada; ²Division of Nephrology and Dialysis, Medical University of Vienna, Vienna, Austria; ³Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada; ⁴Department of Clinical Pathology, Medical University of Vienna, Vienna, Austria; ⁵Department of Medicine, Division of Nephrology and Transplant Immunology, University of Alberta, Edmonton, AB, Canada.
Study purpose: ABMR is a driving force of long-term allograft loss in organ transplantation. The present study was designed to characterize the phenotypic diversity of…
2016 American Transplant Congress
Graft Survival in Sensitized and Non-Sensitized Patients: Role of the Combination of Donor-Specific Antibodies and Acute Rejection.
P. Souza,¹ A. Aguirre,¹ G. Bezerra,² H. Rodrigues,² F. Agena,¹ D. David,¹ F. de Paula,¹ E. David-Neto,¹ M. Castro.¹
¹Renal Transplant Service, Hospital das Clínicas de São Paulo, Sao Paulo, Brazil; ²Immunology Laboratory, Instituto do Coração (InCor), Sao Paulo, Brazil.
Background: Sensitized (S) patients have higher risk for acute rejection (AR), especially ABMR. DSA is a risk fator for ABMR, however, its impact on AR…
2016 American Transplant Congress
A Retrospective Analysis of Rabbit Antithymocyte Globulin Dosing, MELD, Race, and Weight on Infection and Rejection Rates in Liver Transplantation.
R. Imai, U. Wang.
Department of Pharmacy, Stanford Health Care, Stanford, CA.
INTRODUCTION: Rabbit antithymocyte globulin (rATG) use in liver transplantation is uncommon. At our center, induction therapy is comprised of rATG dosed at 1 – 2…
2016 American Transplant Congress
Durable Clinical and Immunologic Advantage of Living Donor Liver Transplantation (LDLT) in Children.
E. Przybyszewski,¹ S. Lobritto,¹ M. Martinez,¹ J. Vittorio,¹ A. Fox,¹ B. Samstein,² T. Kato,¹ A. Griesemer,¹ J. Emond.¹
¹Columbia University Medical Center, New York, NY; ²Weill Cornell Medical College, New York, NY.
Purpose:Despite good results, only 10% of liver transplants in children in the US are from living donors. In addition to optimal timing and graft quality,…
2016 American Transplant Congress
Differential Regulation of the Microvascular Endothelial Cell Mediated Allogeneic CD4+ T Cell Response by Anti-HLA-DR and -DQ Alloantibodies in an Inflammatory Context.
N. Mooney,^1,2 A. Cross,^1,2 J. Lion,^1,2 A. Haziot,^1,2 D. Glotz.^1,2,3
¹INSERM UMRS 1160, Institut Universitaire d'Hématologie, Paris, France; ²Université-Paris-Diderot, Sorbonne Paris Cité, Paris, France; ³Service de Néphrologie et Transplantation, Hôpital Saint Louis, Paris, France.
This study examines the basic mechanisms by which high levels of circulating HLA class II donor-specific-antibodies can contribute to microvasculature damage in chronic antibody mediated…
2016 American Transplant Congress
Kidney Transplantation in HIV Patients: Effect of Race on the Choice of Anti-Thymocyte Globulin Induction Immunosuppression.
M. Casey, T. Aijaz, X. Wen, S. Rehman, A. Santos, E. Thomas, K. Andreoni, K. Womer.
University of Florida, Gainesville, FL.
Introduction: HIV positive status is a well-known risk factor for acute rejection (AR) in kidney transplant recipients (KTR). In the United States, the majority of…
2016 American Transplant Congress
A Molecular Biopsy Test for Probability of Non-Adherence.
P. Halloran,^1,3 G. Einecke,² J. Reeve.¹
¹ATAGC, Edmonton, AB, Canada; ²Hannover Medical School, Hannover, Germany; ³Department of Medicine, University of Alberta, Edmonton, AB, Canada.
Afferent arteriolar hyalinosis (ah-score) in renal transplant biopsies increases with time of biopsy-post-transplant (TxBx), reflecting calcineurin inhibitor drug effects, donor aging, and progressive glomerular diseases.…
2016 American Transplant Congress
Association of Ultrastructural Changes in Renal Allograft Biopsies with Antibody-Mediated Rejection (AMR) and Graft Outcomes.
A. Haririan,¹ M. Chaudhry,² J. Papadimitriou,² N. Costa,¹ B. Thomas,¹ M. Mavanur,¹ R. Ugarte,¹ C. Cangro,¹ C. Drachenberg.²
¹Dept of Medicine, Unniversity of Maryland, Baltimore, MD; ²Dept of Pathology, University of Maryland, Baltimore, MD.
The role of electron microscopy (EM) in diagnosis of AMR is not well-defined. We sought to examine the EM findings in 796 biopsies from 622…
2016 American Transplant Congress
The Effect of Donor-Recipient Relationship on the Immunologic Outcome in Living Kidney Transplantation.
D. Khadzhynov, F. Halleck, L. Lehner, M. Duerr, J. Waiser, K. Budde, O. Staeck.
Nephrology, Charite Campus Mitte, Berlin, Germany.
Background. Presensitization and degree of HLA-matching influences immunologic outcome and kidney graft survival. Thus the donor-recipient relationship may influence incidence of immunologic events and outcome…