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Articles tagged "Calcineurin"

  • 2015 American Transplant Congress

    Frequencies of CD4+25hiFoxp3+ T Cells in Long-Term Follow-Up of Sirolimus-Converted Kidney Transplant Recipients

    O. Traitanon,1,2 A. Alvarado,1 E. Tantisattamo,1,2 A. Shetty,1,2 M. Ansari,1,2 J. Mathew,1 J. Leventhal,1 V. Mas,3 L. Gallon.1,2

    1Comprehensive Transplant Center, Northwestern University, Chicago, IL; 2Medicine-Nephrology, Northwestern University, Chicago, IL; 3Surgery, University of Virginia, Charlottesville, VA.

    Background: Tacrolimus(TAC) and Sirolimus(SRL) are commonly used immunosuppressive drugs in kidney transplantation. SRL has been shown to induce the expansion of regulatory T cells in…
  • 2015 American Transplant Congress

    NK Cells of Kidney Transplant Recipients Show a Reduced Capacity to Produce Cytokines But Retain Their Cytotoxic Capacity

    U. Hoffmann,1 C. Neudoerfl,1 K. Daemen,1 J. Keil,1 C. Blume,2,3 F. Lehner,4 H. Haller,2 C. Falk.1,5

    1Inst. of Transplant Immunology, IFB-Tx, Hanover Medical School, Hanover, Germany; 2Dept. of Nephrology and Hypertension, Hanover Medical School, Hanover, Germany; 3Inst. of Technical Chemistry, Leibniz University Hanover, Hanover, Germany; 4Dept. of General, Visceral, and Transplantation Surgery, Hanover Medical School, Hanover, Germany; 5German Center for Infection Research, Braunschweig, Germany.

    The role of NK cells in either graft rejection or tolerance induction is still discussed controversially. In order to clarify the effect of long-term immunosuppression…
  • 2015 American Transplant Congress

    "What's the Mileage?" Determining the Length of Time in Which Renal Function Returns to Pre-Calcineurin Discontinuation Levels in Patients With Interstitial Fibrosis

    A. Diez, J. Von Visger, U. Nori, T. Pesavento, M. Henry, E. Davies, R. Pelletier.

    The Ohio State University, Columbus.

    Calcineurin Inhibitors (CNI) use may be associated with progressive renal dysfunction. Clinical trials have shown that CNI minimization or discontinuation may aid in improvement in…
  • 2015 American Transplant Congress

    NFAT Regulated Cytokine Gene Expression for Immune Monitoring in Kidney Transplant Recipients

    V. Tatapudi, A. Webber, C. Leung, F. Vincenti.

    Div. of Nephrology, Dept. of Medicine, University of California, San Francisco Medical Center, San Francisco, CA.

    Purpose of Study:To demonstrate that profiling kidney transplant recipients (KTR) on Tacrolimus (Tac) based immunosuppression based on quantitative analysis of NFAT (nuclear factor of activated…
  • 2015 American Transplant Congress

    Toll-Like Receptor 4-Signaling Abrogates Inhibitory Effect of Calcineurin Inhibitor on B-Cells Responding to Blood Group A-Antigens

    H. Sakai, Y. Tanaka, H. Ohdan.

    Transplant Unit, Hiroshima University, Hiroshima, Japan.

    Aim: Bacterial infection following ABO-incompatible organ-transplantation is associated with refractory Ab-mediated rejection. Here, we investigated the influence of toll-like receptor (TLR)-signaling, via the binding of…
  • 2015 American Transplant Congress

    Prospective Study of a Steroid Free, Low Dose Tacrolimus and Everolimus Combination Regimen in Kidney Transplant

    A. Shetty,1 J. Leventhal,1 O. Traitanon,1 A. Alvarado,1 V. Mas,2 J. Mathew,1 E. Tantisattamo,1 L. Gallon.1

    1Nephrology/Comprehensive Transplant, Northwestern University, Chicago; 2Surgery, Virginia Commonwealth University, Richmond.

    Calcineurin(CNI) based therapy is the cornerstone of immunosuppresion(IS) after kidney transplant. However chronic nephrotoxicity from CNI as been implicated in post-transplant renal dysfunction. We hypothesized…
  • 2015 American Transplant Congress

    Early Conversion to Everolimus in De Novo Kidney Transplant Recipients: 12-Month Results from the ELEVATE Study

    J. de Fijter, H. Holdaas, A. Speziale, G. Junge, Z. Wang, J. Cruzado, M. van der Giet.

    For the ELEVATE Study, Leiden, Netherlands.

    Purpose: Long-term exposure to calcineurin inhibitors (CNIs) contributes to unfavorable long-term outcomes, including inferior renal function and premature graft loss with vascular lesions, glomerulosclerosis and…
  • 2015 American Transplant Congress

    Outcomes of Hispanic Kidney Transplant Recipients Under a Cyclosporine Versus Tacrolimus Based Immunosuppression Regimen

    P. West-Thielke,1 M. Campara,2 A. Ladik,1 E. Terranova,2 E. Benedetti,1 J. Thielke.2

    1Surgery, University of Illinois, Chicago; 2Pharmacy Practice, University of Illinois, Chicago.

    Purpose: In 2005, an internal retrospective study at our institution showed a higher incidence of post transplant diabetes mellitus (PTDM) in our Hispanic kidney transplant…
  • 2015 American Transplant Congress

    Monitoring Intracellular Tacrolimus Concentration in Kidney Transplant Recipients With Stable Graft Function

    E. Bae,1 S. Han,1 S. Yang,2 J. Park,1 H. Lee,1 J. Lee,3 D. Kim,1 Y. Kim.1

    1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea; 2Kidney Research Institute, Seoul National University, Seoul, Korea; 3Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea.

    Background: Monitoring the intracellular concentration of immunosuppressive agents can be promising to improve and individualize clinical practice in patients receiving transplantation. However, this issue remains…
  • 2015 American Transplant Congress

    Acute Kidney Injury in the MELD Era of Liver Transplantation. Are Calcineurin Inhibitors So Problematic for Renal Function?

    R. Ciria Bru, I. Gómez Luque, M. Cortés Cerisuelo, P. López Cillero, J. O'Grady, M. de la Mata, N. Heaton, J. Briceño Delgado.

    Unit of Hepatobiliary Surgery and Liver Transplantation, University Hospital Reina Sofía, Córdoba, Spain; Unit of Hepatobiliary Surgery and Liver Transplantation, University Hospital Reina Sofía, Córdoba, Spain; Institute of Liver Studies, King's College Hospital, London, United Kingdom; Unit of Hepatobiliary Surgery and Liver Transplantation, University Hospital Reina Sofía, Córdoba, Spain; Institute of Liver Studies, King's College Hospital, London, United Kingdom; Unit of Hepatology and Liver Transplantation, University Hospital Reina Sofía, Córdoba, Spain; Institute of Liver Studies, King's College Hospital, London, United Kingdom; Unit of Hepatobiliary Surgery and Liver Transplantation, University Reina Sofia Hospital, Córdoba, Spain.

    Acute kidney injury(AKI)after liver transplantation (LT) is common.Calcineurin inhibitors(CNI)have to be well-balanced.The aims were analyze the specific effect of CNI on AKI in a cohort…
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