ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Alloantibodies"

  • 2017 American Transplant Congress

    Experience with the Bacterial Enzyme IdeS (IgG Endopeptidase) for Desensitization of Highly-HLA Sensitized (HS) Kidney Allograft Recipients.

    S. Jordan,1 J. Choi,1 C. Kjellman,2 L. Winstedt,2 X. Zhang,4 S. Louie,1 A. Kang,1 M. Haas,3 A. Vo.1

    1Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA; 2Hansa Medical, Lund, Sweden; 3Dept of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA; 4HLA, Cedars-Sinai Medical Center, Los Angeles, CA

    Donor specific antibodies (DSA) create an impenetrable immunologic barrier to transplantation. Current rx aimed at modification of DSAs are not effective in the most HS…
  • 2017 American Transplant Congress

    Activated Th1 and Th17 cTFH Phenotype Correlates with DSA Production in Kidney Transplant Recipients.

    C. Macedo, P. Fadakar, K. Hadi, B. Ellinof, A. Zeevi, S. Hariharan, D. Metes.

    University of Pittsburgh, Starzl Transplantation Institute, Pittsburgh

    Donor-specific anti-HLA antibodies (DSA) represent an important biomarker for acute rejection and are a major cause of long-term graft failure after kidney transplantation (KTx). The…
  • 2017 American Transplant Congress

    Healthcare Resource Utilization for Patients with Donor-Specific Antibodies Post-Kidney Transplantation.

    B. Ho,1 H. Bhagat,2 E. Lee,2,3 K. Atiemo,1 A. Daud,1 R. Kang,1 S. Montag,1,4 L. Zhao,1,4 J. Schwartz,2 D. Ladner.1

    1Northwestern University Transplant and Outcomes Research Collaborative (NUTORC), Chicago; 2Astellas Pharma Global Development, Northbrook; 3Now with UCB, Atlanta; 4Dept of Preventive Medicine, Northwestern University, Chicago

    Formation of de novo donor-specific antibodies (dnDSA) against human leukocyte antigens (HLA) contributes to inferior kidney transplant (KT) outcomes. No data exist on healthcare resource…
  • 2017 American Transplant Congress

    Elevated Serum Lipase Levels in Simultaneous Pancreas and Kidney Transplantation May Indicate Anti-HLA Donor Specific Antibody Response.

    B. Javaid, T. Raza, P. Abrams, S. Ghasemian, J. Moore, A. Gilbert, M. Grafals, J. Verbesey, M. Cooper.

    Kidney and Pancreas Transplant Program, MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital, Georgetown University School of Medicine, Washington, DC

    Background: Development of anti-HLA donor specific antibodies (DSAs) has been associated with inferior pancreas transplant outcomes. We analyzed data for pancreas and kidney transplant recipients…
  • 2017 American Transplant Congress

    Multiple Dosing of Anti-C1s Antibody TNT009 – Effect on HLA Antibody-Triggered Complement Activation in Healthy Volunteers and Kidney Transplant Recipients with Antibody-Mediated Rejection.

    J. Muhlbacher,1 B. Jilma,2 M. Wahrmann,3 F. Eskandary,3 J. Gilbert,4 S. Panicker,4 G. Böhmig.3

    1Department of Surgery, Medical University Vienna, Vienna, Austria; 2Department of Clinical Pharmacology, Medical University Vienna, Vienna, Austria; 3Department of Medicine III, Medical University Vienna, Vienna, Austria; 4True North Therapeutics, Inc., San Francisco, CA

    Study purpose. Complement inhibition may be an attractive strategy to prevent antibody-mediated allograft injury. One promising therapeutic target may be the enzymatic activity of key…
  • 2017 American Transplant Congress

    Early Antibody-Mediated Rejection C4d Status Remains a Marker of Prognosis in HLA-Incompatible Kidney Transplantation.

    J. Malheiro,1 S. Santos,1 S. Tafulo,2 L. Dias,1 L. Martins,1 J. Ramon,1 A. Castro-Henriques.1

    1CHP, Porto, Portugal; 2IPST, Porto, Portugal

    Banff criteria for the diagnosis of antibody-mediated rejection (AMR) in kidney transplantation (KT) was recently updated to include the entity of C4d negative AMR, if…
  • 2017 American Transplant Congress

    De Novo Donor-Specific Antibody Formation After Kidney Retransplant Is Associated with Specificity Against Class I.

    K. Atiemo,1 B. Ho,1 H. Bhagat,2 E. Lee,2,3 A. Daud,1 R. Kang,1 S. Montag,1,4 L. Zhao,1,4 J. Schwartz,2 D. Ladner.1

    1Northwestern University Transplant and Outcomes Research Collaborative (NUTORC), Chicago; 2Astellas Pharma Global Development, Northbrook; 3Now with UCB, Atlanta; 4Dept of Preventive Medicine, Northwestern University, Chicago

    Retransplant (RTx) patients are often sensitized due to donor-specific antibody (DSA) formation, with higher acute rejection rates during subsequent transplants vs patients without DSA. However,…
  • 2017 American Transplant Congress

    Pre Transplant Donor Specific Antibodies and Clinical Outcomes in Kidney Transplant Recipient on Steroid Free Maintenance Immunosupression Regimen.

    O. Adebiyi,1 A. Sharfuddin,2 M. Yaqub,1 S. Hussain,1 D. Mishler,1 A. Sharfuddin,1 W. Goggins,1 T. Taber.1

    1Renal Transplant, Indiana University School of Medicine, Indianapolis, IN; 2Internal Medicine, Baqai University Hospital, Karachi, Pakistan

    Background: The clinical relevance of pre transplant donor specific antibodies has been reported in few clinical studies with respect to its effect on the risk…
  • 2017 American Transplant Congress

    Higher Tacrolimus Blood Levels Predict Better Graft Survival in Kidney Recipients with De Novo DSA.

    M.-A. Béland,1 R. Noël,1 I. Côté,1 I. Lapointe,1 E. Wagner,2 J. Riopel,3 E. Latulippe,3 O. Désy,1 S. Béland,1 I. Houde,1 S. De Serres.1

    1Renal Division, CHU de Quebec, Laval University, Quebec City, QC, Canada; 2Immunology and Histocompatibility, CHU de Quebec, Laval University, Quebec City, QC, Canada; 3Pathology, CHU de Quebec, Laval University, Quebec City, QC, Canada

    Background: De novo anti-HLA donor specific antibodies (dnDSA) are associated with poorer outcomes in kidney transplant recipients. Nonetheless, their monitoring post transplant is not widespread,…
  • 2017 American Transplant Congress

    Microcirculation Inflammation in Kidney Allograft Biopsies.

    M. Giordani,1 M. Bedini Rocca,1 S. Groppa,1 C. Mombelli,1 S. Christiansen,2 M. Ocampo,1 G. Rosa Diez,1 N. Imperiali.1

    1Nephrology, Hospital Italiano, Buenos Aires, Argentina; 2Pathology, Hospital Italiano, Buenos Aires, Argentina

    Introduction: The Microcirculation Inflammation (IM) in kidney transplants is a strong predictor of graft loss inde-pedent of C4d and donor specific antibody(DSA)ObjetiveAnalysis of kidney allograft…
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