ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "HLA antibodies"

  • 2016 American Transplant Congress

    Improving Kidney Allocation System with Higher Resolution.

    M. Cusick, J. Friedewald, K. Haarberg, J. Leventhal, A. Tambur.

    Northwestern University, Chicago, IL.

    Purpose: The new kidney allocation system (KAS) was implemented to help identify compatible donors for the most highly sensitized patients. Our experience, as well as…
  • 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

    Solid Phase Assay Demonstrates High Rates of Allosensitization in Pediatric Heart Recipients.

    W. Zuckerman,1 B. Feingold,2 A. Zeevi,2 C. Bentlejewski,2 L. Addonizio,1 E. Blume,3 C. Canter,4 A. Dipchand,5 D. Hsu,6 R. Shaddy,7 W. Mahle,8 K. Much,9 B. Armstrong,9 D. Ikle,9 H. Diop,10 J. Odim,10 S. Webber.11

    1Columbia Univ., NYC; 2Univ. of Pittsburgh, Pittsburgh; 3Boston Children's Hospital, Boston; 4Washington Univ., St. Louis; 5Sick Kids, Toronto, Canada; 6Children's Hospital, Montefiore, NYC; 7Children's Hospital of Philadelphia, Philadelphia; 8CHOA, Atlanta; 9Rho, Chapel Hill; 10NIAID/NIH, Bethesda; 11Vanderbilt Univ., Nashville.

    Allosensitization is a risk factor for rejection, vasculopathy and graft loss. CTOTC-04 is a prospective study assessing the impact of sensitization on a composite of…
  • 2015 American Transplant Congress

    Assessment of IgG Subclass Significance for Early Graft Rejection and Long-Term Survival in HLA-Antibody Incompatible Renal Transplantation: Multivariate Approach

    N. Khovanova,1 D. Lowe,2 S. Daga,1,3 T. Shaikhina,1 N. Krishnan,3 D. Mitchell,1 D. Zehnder,1 D. Briggs,2 R. Higgins.3

    1University of Warwick, Coventry, United Kingdom; 2NHS Blood and Transplant, Birmingham, United Kingdom; 3University Hospitals Coventry and Warwickshire, Coventry, United Kingdom.

    Donor HLA specific antibodies (DSA) can cause acute rejection and graft lost after renal transplantation. However neither the damaging antibody types, nor their acceptable levels…
  • 2015 American Transplant Congress

    Antibodies Directed Against HLA-DQ Are Significantly Associated to Complement Activation In Vitro

    J. Arreola-Guerra, A. de Santiago, A. Arvizu, N. Gonzalez-Tableros, M. Lopez, M. Vilatoba, L. Morales-Buenrostro, J. Alberu, N. Castelan.

    1Transplantation, 1aNephrology-Mineral Metabolism, Inst Nal de Ciencias Medicas y Nutricion SZ, Mexico City, Distrito Federal, Mexico.

    Background: C1q-binding HLA antibodies (HLAabs) have been related to acute rejection and long-term graft loss. The characteristics of these antibodies and factors associated to complement…
  • 2015 American Transplant Congress

    Post-Kidney Allograft Nephrectomy Anti-HLA Immunization Is Not Due to a Release of Anti-HLA Antibodies from the Failed Kidney

    D. Milongo,1,3 N. Congy-Jolivet,2,3,4 A. Del Bello,1,3 F. Sallusto,5 C. Guilbeau-Frugier,6 L. Rostaing,1,3 N. Kamar.1,3

    1Department of Nephrology and Organ Transplantation, CHU Rangueil, Toulouse, France; 2Laboratoire d'Immunologie, CHU de Toulouse, Toulouse, France; 3Université Toulouse III Paul-Sabatier, Toulouse, France; 4Laboratoire d'Immunogénétique Moléculaire, EA 3034, Université Toulouse III Paul-Sabatier, Toulouse, France; 5Department of Urology, CHU Rangueil, Toulouse, France; 6Department of Histopathology, CHU Rangueil, Toulouse, France.

    Background and aims: The reasons for the increased incidence of de novo anti-HLA donor specific antibodies (DSAs) that is observed after kidney allograft nephrectomy (NTx)…
  • 2015 American Transplant Congress

    Intermittent High Dose Intravenous Immunoglobulin as Treatment for Donor Specific Antibodies in Renal Transplant Recipients

    P. Bolin,1 K. Parker,2 F. Rana,1 W. Bryant,1 P. Jawa,1 R. Harland.3

    1Internal Medicine, East Carolina University, Brody School of Medicine, Greenville, NC; 2Vidant Medical Center, Greenville, NC; 3Surgical Immunology and Transplantation, East Carolina University, Brody School of Medicine, Greenville, NC.

    Background: Donor-specific HLA antibody (DSA) formation in post-renal transplant patients is associated with chronic rejection and graft failure. Previous studies in our population have indicated…
  • 2015 American Transplant Congress

    Prediction of Acute Antibody Mediated Rejection in Antibody Incompatible Renal Transplantation Using Machine Learning for Wide Data

    T. Shaikhina,1 N. Khovanova,1 S. Daga,1,3 N. Krishnan,2 D. Lowe,3 D. Mitchell,1 D. Briggs,2 R. Higgins.3

    1University of Warwick, Coventry, United Kingdom; 2NHS Blood and Transplant, Birmingham, United Kingdom; 3University Hospitals Coventry and Warwickshire, Coventry, United Kingdom.

    The dynamic field of renal transplantation is characterised by limited access to data, the high cost of equipment and underlying complexity of immunological responses to…
  • 2015 American Transplant Congress

    Retrospective Cohort Study Concerning Efficacy and Safety of Bortezomib in Combination With Or Without Rituximab in Antibody Mediated Rejection in Renal Transplant Recipients

    M. Duerr, N. Lachmann, K. Budde, J. Waiser.

    Charité Universitätsmedizin Berlin, Department of Nephrology, Berlin, Germany.

    Treatment of antibody-mediated rejection (AMR) in renal transplant (tx) patients (pts) is still challenging and long-term outcome remains unsatisfying. Because plasma cells (PCs) are crucial…
  • 2015 American Transplant Congress

    Husband to Wife Renal Transplants Are Associated With a Higher Risk of Early Antibody Mediated Rejection and Transplant Glomerulopathy

    H. Sawhney, M. Willicombe, P. Brookes, E. Santos, D. Taube.

    Renal and Transplant Centre, Hammersmith Hospital, Imperial Healthcare NHS Trust, London, England, United Kingdom.

    Patients with a low level preformed donor specific antibodies [DSA] with a negative FCXM/CDC cross match are at high risk of antibody mediated rejection [AMR]…
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