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Articles tagged "HLA antibodies"

  • 2016 American Transplant Congress

    Fc Receptor Binding Assay for Functional Assessment of HLA Antibodies: Initial Clinical Validation.

    E. Woodle, A. Girnita.

    U of Cincinnati, Cincinnati.

    Functional assessment of HLA antibodies (Abs) has historically been limited to complement-based assays, which have known limitations. Moreover, HLA Abs mediate injury by complement-independent mechanisms,…
  • 2016 American Transplant Congress

    Complex Constellation of HLA Antibodies Contributes to Decreasing Trend of Transplant Rate in Candidates with 100% CPRA.

    R. Rajalingam, D. Hyon Gae, D. Kopchaliiska, O. Buenaventura, K. Cunniffe, G. Da Gente, J. Roberts.

    Immunogenetics and Transplantation Laboratory; Department of Surgery, University of California-San Francisco, San Francisco, CA.

    The key component of new KAS is offering an increased priority for sensitized candidates. While transplants (tx) have increased six-fold for recipients with a CPRA…
  • 2016 American Transplant Congress

    Comparison of De Novo Donor Specific Antibody Formation for Kidney Transplant Recipients Induced with Thymoglobulin or Basiliximab.

    A. Gong, K. Lee, S. Patel, M. Brande, R. Dhawan, C. Parke, M. Smogorzewski, L. Aguirre, B. Duong, S. Alexopolus, Y. Qazi.

    Division of Transplantation, University of Southern California, Los Angeles, CA.

    Background: Thymoglobulin (ATG) and basiliximab (Bas) induction are commonly used therapies to prevent allograft rejection in kidney transplant recipients (KTx). Formation of donor specific antibodies…
  • 2016 American Transplant Congress

    The Prediction of Molecular ABMR by Anti-HLA Donor-Specific Antibody Properties.

    F. Eskandary,1,2 J. Reeve,1,3 D. Yoo,1 H. Regele,4 L. Hidalgo,1,3 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, Medical University of Vienna, Vienna, Austria; 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: Besides HLA antibody characterization and workup of biopsies (Bx) molecular assessment of gene expression may considerably improve ABMR diagnosis. The objective of the…
  • 2016 American Transplant Congress

    Incidence & Impact of De Novo DSA (dnDSA) Formation on Transplant Outcomes in HLA-Sensitized (HS) Patients Transplanted After IVG+Rituximab Desensitization (DES).

    A. Vo,1 J. Choi,1 J. Kahwaji,1 J. Mirocha,2 A. Peng,1 R. Villicana,1 S. Jordan.1

    1Kidney Transplant, Cedars-Sinai Medical Center, LA, CA; 2Research Institute, Cedars-Sinai Medical Center, LA, CA.

    Introduction: Highly-HLA sensitized patients are at risk for developing donor specific antibodies (DSA) & ABMR post-transplant (tx). However, incidence and risk of acute rejections (AR)…
  • 2016 American Transplant Congress

    Blindspots in HLA Antibody Testing: Recognition Is First Step to Nirvana.

    A. Kher, P. Dorwal, V. Kher.

    Medanta-The Medicity, Gurgaon, Haryana, India.

    This study was conducted to assess population frequency of alleles missing from single antigen bead (SAB) panels & frequency of allelic antibodies (Abs).Methods: All positive…
  • 2016 American Transplant Congress

    Impact of Preformed Anti-HLA Antibodies in the Outcomes of Kidney Transplantation.

    S. Santos,1 J. Malheiro,1 M. Costa,2 A. Campos,1 S. Pedroso,1 M. Almeida,1 L. Martins,1 L. Dias,1 C. Henriques,1 A. Cabrita.1

    1Nephrology, Hospital Santo António, CHP, Porto, Portugal; 2Nephrology, Centro Hospitalar Tondela-Viseu, Viseu, Portugal.

    Background:Anti-HLA antibodies are risk factors for acute and chronic rejection and allograft loss. Its detection represents a major advance and is widely used in organ…
  • 2016 American Transplant Congress

    Virtual Crossmatching Under the New KAS: Safely Bypassing a Physical Crossmatch When Allocating Kidneys to Highly Sensitized Candidates.

    R. Bray,1 R. Parsons,2 N. Turgeon,2 H. Gebel.1

    1Pathology, Emory University, Atlanta, GA; 2Emory Transplant Center, Emory University, Atlanta, GA.

    AIM: On 12/4/2014, the OPTN implemented a new KAS for deceased donor(DD) transplants which, among many changes, increased priority for highly sensitized (HS) candidates (cPRA>98%).…
  • 2016 American Transplant Congress

    Expansion of Anti-HLA Antibodies After Renal Transplantation and Prognosis in Those Which Fix C1q.

    P. Ruiz-Esteban,1 M. Gonzalez-Molina,1 A. Caballero,2 A. Torio,2 M. Leon,3 E. Palma,1 D. Burgos,1 M. Cabello,1 V. Lopez,1 M. Rodriguez,4 D. Hernandez.1

    1Nephrology, Regional University Hospital, IBIMA, University of Malaga, Malaga, Spain; 2Immunology, Regional University Hospital, IBIMA, University of Malaga, Malaga, Spain; 3Pathology, Regional University Hospital, IBIMA, University of Malaga, Malaga, Spain; 4Nephrology, Torrecardenas Hospital, Almeria, Spain.

    Introduction. Antibody-mediated rejection (ABMR) is the major cause of allograft failure. We studied the evolution and prognostic effect of pre-formed and de novo anti-HLA antibodies…
  • 2016 American Transplant Congress

    RNAseq Transcriptome Analysis of Bone Marrow CD138+ Plasma Cell Responses to Carfilzomib Monotherapy Desensitization.

    J. Driscoll, B. Aronow, S. Tremblay, R. Alloway, E. Woodle.

    Medicine, Surgery, Biomedical Informatics, U of Cincinnati, Cincinnati Children's, Cincinnati, OH.

    Purpose: Prior studies indicate that bone marrow resident plasma cells (BMRPCs) demonstrate varying sensitivity to proteasome inhibition (PI). Effects of carfilzomib (CFZ) monotherapy desensitization on…
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