ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2019 American Transplant Congress

    Combination of Ketoconazole and Tacrolimus Increases the Risk of Kidney Transplant Rejection in African Americans

    M. E. Sharshir, A. Zhang, E. Khan, B. Zhang, S. Giusti, R. Zhang

    Nephrology, Tulane University, New Orleans, LA

    *Purpose: African American patients generally have a rapid metabolism and thus require higher doses of tacrolimus after kidney transplantation. Ketoconazole inhibits tacrolimus metabolism and can…
  • 2019 American Transplant Congress

    Impact of Six-Month Surveillance Biopsies and Monitoring on 2-Year Outcomes in Pediatric Renal Transplant Recipients

    J. Lyons1, D. Ranch2, R. Hall1, P. Maxwell1, K. Hitchman2, B. Crowther1

    1University Health System, The University of Texas at Austin, College of Pharmacy, Pharmacotherapy Division, Austin, TX, The University of Texas Health Science Center at San Antonio, San Antonio, TX, 2University Health System, The University of Texas Health Science Center at San Antonio, San Antonio, TX

    *Purpose: Evaluate the utility of surveillance biopsies on post-transplant outcomes.*Methods: A retrospective single center chart review of pediatric renal transplant recipients from 01/2011-10/2015 was conducted.…
  • 2019 American Transplant Congress

    Daratumumab for Treatment of Antibody-Mediated Rejection in a Kidney Transplant Recipient

    S. C. Jordan1, R. Vescio2, M. Toyoda3, N. Ammerman1, E. Huang1, A. Peng1, S. Sethi1, R. Najjar1, K. Lim1, A. Vo1

    1Comprehensive Transplant Center, Cedars-Sinai Medical Ctr, Los Angeles, CA, 2Cedars-Sinai Medical Ctr, Los Angeles, CA, 3Transplant Immunology Lab, Cedars-Sinai Medical Ctr, Los Angeles, CA

    *Purpose: Antibody-Mediated Rejection (ABMR) is a severe form of rejection mediated by B-cells, plasma cells and antibodies. The consequences to the patients with ABMR are…
  • 2019 American Transplant Congress

    Peripheral Blood Regulatory T Cells In The Folow In The Kidney-transplant Patients

    M. A. Carmona-Escamilla1, G. Queipo2, L. A. Garcia-Mosqueda3, R. Lascurain4

    1Nephrology, Pemex, CDMX, Mexico, 2Genetics, Hospital General, CDMX, Mexico, 3UNAM, CDMX, Mexico, 4Inmunologia, UNAM, CDMX, Mexico

    *Purpose: Investigate the peripheral blood levels of CD4+CD25+FOXP3p3+ regulatory T cells (Tregs) in patients with kidney transplant at least one year after kidney transplantation and…
  • 2019 American Transplant Congress

    De Novo Complement-Activating Donor Specific Antibodies in Pediatric Renal Transplant Recipients Are Highly Responsive to Therapy

    V. Sigurjonsdottir, A. Chaudhuri, P. Grimm

    Pediatric Nephrology, Stanford, Los Altos, CA

    *Purpose: Antibody mediated rejection remains a common cause for pediatric renal allograft loss. After recognizing that graft failure was more common in our pediatric renal…
  • 2019 American Transplant Congress

    The Role of Neutrophil Extracellular Traps in Kidney Acute Antibody-Mediated Rejection

    R. Villca-Gonzales1, J. Torres-Ruiz2, D. Gomez-Martin2, L. Morales-Buenrostro1, J. Alberu3

    1Nephrology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, 2Immunology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, 3Transplantation, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico

    *Purpose: Previously our group assessed the spontaneous and lipopolysaccharide-induced NETosis with confocal microscopy in kidney transplant recipients (KTR). We found an enhanced spontaneous NETosis regardless…
  • 2019 American Transplant Congress

    Impact of Belatacept Conversion on Renal Function, Histology and Gene Expression in Kidney Transplant Patients with Chronic Active Antibody-Mediated Rejection

    D. Kumar1, M. Raynaud2, P. Halloran3, A. Loupy2, J. Chang3, J. Reeve3, I. Yakubu1, S. Bobba1, L. Kamal1, M. Levy1, C. Bhati1, P. Kimball1, A. King1, G. Gupta1

    1Virginia Commonwealth University, Richmond, VA, 2Paris Transplant Group, Paris, France, 3Alberta Transplant Genomics Applied Centre, Edmonton, AB, Canada

    *Purpose: Chronic active antibody mediated rejection (cABMR) is a major cause of long-term kidney transplant (KT) loss. Current therapies have unclear efficacy and significant side…
  • 2019 American Transplant Congress

    A Novel Genomic Approach for Acute Rejection across All Age Groups in Kidney Transplantation

    B. I. Shaw, D. K. Cheng, Q. Cheng, C. R. Acharya, A. D. Kirk, E. T. Chambers

    Pediatrics/Surgery, Duke University, Durham, NC

    *Purpose: Acute Rejection remains a significant complication in kidney transplantation that affects long-term outcomes. Using a large collection of gene expression data obtained from multiple…
  • 2019 American Transplant Congress

    FcγRIIB is a Novel CD8+ Effector T Cell Intrinsic Regulatory Pathway That Correlates with Freedom from Rejection in Renal Transplant Patients

    A. B. Morris1, D. F. Pinelli1, D. Liu1, J. M. Boss2, C. D. Scharer2, M. Fribourg3, P. Cravedi3, P. S. Heeger3, M. L. Ford1

    1Surgery, Emory University, Atlanta, GA, 2Micro & Immuno, Emory University, Atlanta, GA, 3Center for Translational Transplant Research, Icahn SOM at Mount Sinai, New York, NY

    *Purpose: To understand the functional role and clinical relevance of FcγRIIB on CD8+ T cells in transplantation.*Methods: See results*Results: FcγRIIB is the sole inhibitory Fcγ…
  • 2019 American Transplant Congress

    Expression of Prostaglandin E2 Receptors Track with Rejection in Porcine Kidney Transplants

    A. Harner1, Y. Wang2, X. Fang2, R. Lassiter1, T. D. Merchen1, S. Ho3, S. Nahman Jr2

    1Surgery, Augusta University, Augusta, GA, 2Nephrology, Augusta University, Augusta, GA, 3Gift of Life Michigan, Ann Arbor, MI

    *Purpose: Prostaglandin E2 (PGE2) is generated from arachidonic acid via cyclooxygenase-2 (COX2) and is known to modulate the immune response via its receptors: EP1, EP2,…
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