ATC Abstracts

American Transplant Congress abstracts

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  • 2015 American Transplant Congress

    Biomarker for Calcineurin Inhibitors Nephrotoxicity in Solid Organ Transplantation: Validation of a Urine Gene Expression Panel

    D. Maluf, R. Gehrau, J. Suh, K. Brayman, C. Bustamante, M. Edmunds, P. Darvishi, V. Mas.

    UVA, Charlottesville, VA.

    Background: We previously described a gene expression signature as biomarker of calcineurin inhibitor nephrotoxicity (CNIT) post renal transplantation. Herein, we aimed to validate the same…
  • 2015 American Transplant Congress

    Donor Serum and Urine Proteomic Signatures Differentiate Between Immediate and Delayed Graft Function in Kidney Transplantation

    M. Kaisar,1,2 H. Huang,1,2 Z. Akhtar,1 H. Leuvenink,3 B. Kessler,2 R. Ploeg.1

    1Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom; 2Target Discovery Institute, University of Oxford, Oxford, United Kingdom; 3Surgical Research Laboratory, UMC, Groningen, Netherlands.

    IntroductionDespite the persistent shortage of donor organs, paradoxically, many organs obtained from older higher risk donors are deemed unsuitable for transplantation and discarded. The ability…
  • 2015 American Transplant Congress

    Impact of Alloreactivity On Intra-Graft T Cell Homeostasis Following Small Bowel Transplantation

    J. Zuber, B. Shonts, S. Lau, S. Coley, S. Yang, J. Weiner, S. DeWolf, D. Farber, Y. Shen, M. Martinez, T. Kato, M. Sykes.

    Columbia University Medical Center, New York.

    The impact of alloreactivity on the turnover rate, phenotype and repertoire of gut-resident lymphoid cells populating human intestinal allografts is unknown. We prospectively analyzed the…
  • 2015 American Transplant Congress

    Bidirectional Regulation and IL35 Surface Expression By Treg Cells

    Y. Tomita, W. Burlingham.

    Surgery, University of Wisconsin, Madison, WI.

    Background: Pre-transplant regulation on the donor side(toward the recipient), as well as the recipient side(toward the donor) promotes long-term graft survival of a kidney allo-graft…
  • 2015 American Transplant Congress

    T-bet Directs nTreg Homing Into Draining Lymph Nodes by Regulation of Specific Migration and Adhesion Receptors

    Y. Xiong, S. Ahmad, D. Iwami, C. Brinkman, J. Bromberg.

    University of Maryland, Baltimore.

    Background: The transcription factor T-bet endows Treg with the functional and migratory properties to suppress Th1 inflammation. Previously, we showed that nTreg homing into draining…
  • 2015 American Transplant Congress

    Characterization of Peripheral Blood T and B Cells of Sensitized Kidney Transplant Recipients With Long Term Stable Graft Function

    N. Galante,1 M. Fernandes,1 F. Agena,1 A. Triboni,1 G. Freitas,1 A. Aguirre,1 W. Nahas,1 V. Coelho,2 E. David-Neto.1

    1Renal Transplant Service, Hospital das Clínicas - University of Sao Paulo School of Medicine, Sao Paulo, Brazil; 2Laboratory of Immunology, Heart Institute - University of Sao Paulo School of Medicine, Sao Paulo, Brazil.

    We examined the phenotype of T and B cells of peripheral blood of sensitized kidney transplant recipients with stable graft function (GFR > 29mL/min) enrolled…
  • 2015 American Transplant Congress

    Impact of Educational Attainment On Kidney Transplant Outcomes By Race

    A. Aguirre-Alarcon,1 P. Friedmann,1 A. Gregg,2 L. Kayler.3

    1Albert Einstein College of Medicine, Bronx, NY; 2University of Florida, Gainesville, FL; 3Department of Surgery, Montefiore Medical Center, Bronx, NY.

    Educational attainment is associated with disparities in graft and recipient survival in kidney transplant (KTX) candidates; however, the impact of educational status within racial groups…
  • 2015 American Transplant Congress

    Preformed IgA Antibodies to B2-Glycoprotein Is an Indepedent Risk Factor for Graft Thrombosis and Early Graft Loss After Renal Transplantation

    J. Morales,1 M. Serrano,3 J. Martinez,2 D. Perez,2 M. Sevilla,2 A. Amdres,3 E. Gonzalez,3 E. Paz-Artal,2 A. Serrano.2

    1Research Institute, hospital 12 de Octubre, Madrid, Spain; 2Immunology, Hospital 12 de Octubre, Madrid, Spain; 3Nephrology, Hospital 12 de Octubre, Madrid, Spain.

    Vessel trombosis represent the first cause of early graft loss (EGL)alter renal transplantation (RT). Our group recently described that preformed IgA antibodies to B2-Glycoprotein (…
  • 2015 American Transplant Congress

    miR-155 Different Roles in UCB iTreg and nTreg

    Y. Lu, L. Lu.

    Liver Transplantation Center of First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.

    OBJECTIVES:miR-155 has been associated with both innate and adaptive immune responses. SOCS1, which is involved in Treg survival and function, is a direct target of…
  • 2015 American Transplant Congress

    Role of Complement in Mediating Pericyte Trans-Differentiation in Resident Myofibroblasts: A New Hypothesis On Vascular Rarefaction in Renal Ischemia/Reperfusion (I/R) Injury

    G. Castellano,1 R. Franzin,1 C. Divella,1 A. Stasi,1 A. Intini,1 M. Gigante,1 G. Lucarelli,1 P. Ditonno,1 M. Battaglia,1 A. Crovace,1 F. Staffieri,1 G. Pertosa,1 B. Oortwijn,2 E. Amersfoort,2 G. Grandaliano,3 L. Gesualdo.1

    1University of Bari, Bari, Italy; 2Pharming Technologies NV, Leiden, Netherlands; 3University of Foggia, Foggia, Italy.

    Vascular rarefaction is critical in the development of renal fibrosis. Pericytes regulate renal blood flow and might be an important source of renal interstitial myofibroblasts;…
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