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American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2018 American Transplant Congress

    Triptolide Reduces the Required Dose of Tacrolimus by Attenuating Inflammation, Enhancing Immunosuppression, and Increasing Donor Chimerism in a Heterotopic Hindlimb Transplantation Model

    C. Gu, F. Liu, J. Yang.

    Plastic and Reconstructive Surgery, Shanghai Ninth Hospital, Shanghai, China.

    Background: Induction of tolerance and minimizing the toxicity of immuno- suppression are two fundamental goals in vascularized composite allotrans- plantation. Accumulating data indicate that triptolide…
  • 2018 American Transplant Congress

    Preemptive Plasma Therapy and Eculizumab (ECU) Rescue for Atypical Hemolytic Uremic Syndrome (aHUS) Relapse Following Kidney Transplantation (KTX)

    C. Aigner,1,2 G. Böhmig,1 F. Eskandary,1 M. Gaggl,1 R. Kain,2 R. Sunder-Plassmann,3 Z. Prohaszka,4 A. Schmidt,1 G. Sunder-Plassmann.1

    1Division of Nephrology and Dialysis, Medical University Vienna, Vienna, Austria; 2Clinical Institute of Pathology, Medical University Vienna, Vienna, Austria; 3Department of Laboratory Medicine, Medical University Vienna, Vienna, Austria; 43rd Department of Medicine, Semmelweis University, Budapest, Hungary.

    Introduction: KTX in aHUS patients is associated with a high rate of relapse and graft loss. Here, we report on seven aHUS cases with end-stage…
  • 2018 American Transplant Congress

    Accommodation and Antibody Mediated Rejection Are Associated with Distinct TACI Polymorphisms in Kidney Transplant Recipients

    M. Cascalho, M. Barbosa,1 E. Farkash,2 J. Platt.1

    1Surgery, University of Michigan, Ann Arbor, MI; 2Pathology, University of Michigan, Ann Arbor, MI.

    A. Trans-membrane Activator and CAML Interactor (TACI) gene is among the 5% most polymorphic genes in humans, TACI controls B cell differentiation and memory and…
  • 2018 American Transplant Congress

    Determining the Utility of Protocol Biopsies in Kidney Transplant Recipients

    J. Patel,1 K. Heshmati,2 A. Rogers,1 R. Wali,2 J. Jonsson,2 C. Liu,2 E. Emery,2 D. Collins,2 S. Karzai,2 J. Piper.2

    1Virginia Commonwealth University, Falls Church; 2Inova Fairfax Hospital, Falls Church.

    Protocol biopsies may allow for early detection and treatment of kidney transplant rejection or other correctable pathology, leading to improved graft survival. Unfortunately, biopsies may…
  • 2018 American Transplant Congress

    Kidney Transplant Rejection is Associated with Robust and Prolonged Bioenergetic Reprogramming and Metabolic Maladaptation

    A. Zmijewska, J. Zmijewski, J. Chen, R. Mannon.

    Medicine, University of Alabama at Birmingham, Birmingham, AL.

    Introduction: Metabolic plasticity and mitochondrial bioenergetic homeostasis are altered due to a organ ischemia. However, the impact of the alloimmune response on the allograft is…
  • 2018 American Transplant Congress

    Inflammation in Fibrotic Areas (i-IF/TA) Identifies a T Cell-Mediated Rejection Component of IF/TA with Poor Kidney Allograft Outcome

    D. Viglietti, O. Aubert, J-.P. Duong Van Huyen, A. Loupy, C. Lefaucheur.

    Paris Translational Research Center for Organ Transplantation, Paris, France.

    Addressing the etiological heterogeneity of interstitial fibrosis in kidney allografts represents an important challenge to improve long-term transplant outcomes. We investigated the determinants, clinical and…
  • 2018 American Transplant Congress

    Respiratory Viral Infections Induces Exosomes and Antibodies to Lung Self-Antigens, Kα1Tubulin and Collagen V, Following Human Lung Transplantation

    M. Gunasekaran,1 S. Bansal,1 M. Sharma,1 R. Walia,1 R. Hachem,2 A. Limaye,3 R. Bremner,1 M. Smith,1 T. Mohanakumar.1

    1St. Joseph's Hosp & Med Ctr, Phoenix; 2Washington Univ Sch Med, St. Louis; 3Univ Washington, Seattle.

    Respiratory viral infection (RVI) following human lung transplantation (LTx) increases the risk for chronic rejection. We demonstrated that lung transplant recipients (LTxR) with acute and…
  • 2018 American Transplant Congress

    Ex Vivo Expanded Regulatory T Cells Combined with Short-Term Costimulation Blockade Prevent Rejection of Vascularized Composite Allografts

    B. Oh,1 G. Furtmüller,1 M. Grzelak,1 L. Vuong,2 M. Iglesias,1 M. Fryer,1 D. Cooney,1 W. Lee,1 G. Raimondi,1 G. Brandacher.1

    1Plastic and Reconstructive Surgery, Johns Hopkins SOM, Baltimore; 2Washington University in St. Louis SOM, St. Louis.

    [Background] Reconstructive transplantation represents a valid therapeutic option after devastating tissue loss. Routine clinical application, however, is hampered by the toxicity of long-term maintenance immunosuppression.…
  • 2018 American Transplant Congress

    Diagnosis of Antibody-Mediated Rejection after Kidney Transplantation by Blood Expression of Genes Involved in IFN Signaling

    M. Matz,1 Q. Zhang,1 F. Heinrich,2 C. Lorkowski,1 K. Wu,3 P. Durek,2 N. Lachmann,4 M-.F. Mashreghi,2 K. Budde.1

    1Nephrology, University Medicine Charité Berlin, Berlin, Germany; 2Drfz, Berlin, Germany; 3Pathology, University Medicine Charité Berlin, Berlin, Germany; 4Center For Tumor Medicine, H&I Laboratory, University Medicine Charité Berlin, Berlin, Germany.

    Purpose: Antibody-mediated rejection (ABMR) has been recognized as a major cause of graft loss. Early diagnosis and effective treatment are crucial for salvaging grafts undergoing…
  • 2018 American Transplant Congress

    Eluates from Fine-Needle Allograft Biopsy Increase Donor-Specific Antibody Identification in Antibody Mediated Rejection

    A. Girnita,1,2 E. Portwood,2 P. Brailey,2 M. Cuffy,1 M. Cardi,1 F. Paterno,1 T. Diwan,1 S. Shah,1 A. Govil,1 R. Alloway,1 E. Woodle.1

    1University of Cincinnati, Cincinnati; 2Hoxworth Blood Center, Cincinnati.

    Aim. Antibody mediated rejection (AMR) represents a risk for graft loss, and the presence of circulating donor-specific antibody (cDSA) is a major criterion for AMR…
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