ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2017 American Transplant Congress

    Specific Gene Expression Signature of Complement-Activating Donor Specific Anti-HLA Antibody-Mediated Rejection in Kidney Allografts.

    C. Lefaucheur,1 D. Viglietti,1 L. Hidalgo,2 O. Aubert,1 A. Zeevi,3 P. Halloran,2 A. Loupy.1

    1Paris Translational Research Center for Organ Transplantation, Paris, France; 2University of Alberta, Edmonton, Canada; 3University of Pittsburgh Medical Center, Pittsburgh

    Complement-binding anti-HLA DSA have demonstrated higher rejection rate and decreased allograft survival. However, their specific effects on rejection pathogenesis have not been identified. We investigated…
  • 2017 American Transplant Congress

    Complement Binding Activity (C3d, C1q) of De Novo Donor-Specific HLA Antibody Is Associated with Increased Risk of Antibody-Mediated Rejection in Non-Sensitized Kidney Transplant Recipients.

    H. Lee,1 E. Han,1 A.-R. Choi,1 K. Park,2 J. Ryu,2 B. Chung,3 C. Yang,3 E.-J. Oh.1

    1Laboratory Medicine, The Catholic University of Korea, Seoul, South Korea (KOR), Korea; 2Biomedical Science, Graduate School, The Catholic University of Korea, Seoul, South Korea (KOR), Korea; 3Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul, South Korea (KOR), Korea

    Despite advances in therapeutic strategies and medicine, antibody mediated rejection (AMR) is a leading cause of kidney graft loss. The complement binding activity of donor-specific…
  • 2017 American Transplant Congress

    Dual Treatment of Suboptimal Doses of CsA and MSC Infusion Fully Prevents Acute Rejection in an Allogenic Model of Renal Transplantation.

    L. de Ramon,1 A. Merino,1 E. Ripoll,1 N. Bolaños,1 M. Gomà,3 J. Cruzado,1,2 J. Grinyó,1,2 J. Torras.1,2

    1Experimental Nephrology, IDIBELL-UB, Hospitalet Llobregat, Barcelona, Spain; 2Nephrology, Hospital Universitari de Bellvitge, Hospitalet Llobregat, Barcelona, Spain; 3Pathology, Hospital Universitari de Bellvitge, Hopitalet Llobregat, Barcelona, Spain

    The immunomodulatory characteristics of mesenchymal stem cells (MSCs) may lead to multifaceted strategies in rejection of organ transplantation. This study was designed to investigate the…
  • 2017 American Transplant Congress

    Is Thymic Function Determining Rejection Onset in Heart Transplantation?

    A. Sannier,1,2 R. Dorent,1,3 M. Le Borgne,1 N. Stroumza,1 J. Senemaud,1 L. Louedec,1 F. Andreata,1 A. Gaston,1 C. Deschildre,1 P. Nataf,1,3 A. Couvelard,2 G. Caligiuri,1 A. Nicoletti.1

    1Inserm U1148, Diderot University, Paris, France; 2Pathology Department, Bichat Hospital, Paris, France; 3Cardiac Surgery Department, Bichat Hospital, Paris, France

    The thymus is the primary site of T cell development, involuting into fatty tissue in adults. Thymic function persists in the adulthood and may be…
  • 2017 American Transplant Congress

    Retrospective Analysis of Kidney Transplant Recipients with Antibody-Mediated Rejection.

    G. Piñeiro,1 E. Desousa,1 J. Villarreal,1 M. Lozano,2 J. Cid,2 M. Sole,3 F. Oppenheimer,1 F. Diekmann.1

    1Nephrology and Renal Transplant, Hospital Clinic de Barcelona, Barcelona, Spain; 2Apheresis Unit, Department of Hemotherapy and Hemostasis, Hospital Clinic de Barcelona, Barcelona, Spain; 3Pathology, Hospital Clinic de Barcelona, Barcelona, Spain

    Acute antibody mediated rejection (AMR) is a major cause of allograft loss.We retrospectively reviewed all kidney allograft recipients between 2002 and March 2016. Investigated the…
  • 2017 American Transplant Congress

    De Novo Malignancy Occurrence After Kidney Transplantation in HLA-Sensitized Patients Treated with B-Cell Targeting Therapy.

    L. Couzi,1,2,3 P. Davis,1 J. Visentin,1,2,3 B. Taton,1 G. Guidicelli,1 H. Kaminski,1,2,3 P. Merville,1,2,3 T. Bachelet.4

    1CHU de Bordeaux, Bordeaux, France; 2Université de Bordeaux, Bordeaux, France; 3UMR CNRS 5164 Immunoconcept, Bordeaux, France; 4Clinique Saint-Augustin-CTMR, Bordeaux, France

    Management of high risk transplantations in patients with preformed DSA still remains a dilemma. Many groups propose to increase the immunosuppression in these patients by…
  • 2017 American Transplant Congress

    Immunosuppressive Therapy and Acute Rejection in Combined Heart and Kidney Transplantation.

    M. Gallo, J. Trivedi, D. Abramov, R. Vijayakrishnan, M. Slaughter.

    University of Louisville, Louisville

    Background. This study evaluated the management of immunosuppressive therapy and the incidence of acute heart rejection within 1 year from concomitant heart-kidney transplantation (cHTKx) compared…
  • 2017 American Transplant Congress

    Soluble Fibrinogen-Like Protein 2 Regulates Differentiation and Enhances Immunosuppressive Function of Myeloid-Derived Suppressor Cells in Allograft Immunity.

    C. Yang, B. Peng, M. Xu, T. Zhu.

    Urology, Zhongshan Hospital, Fudan University, Shanghai, China

    Soluble fibrinogen-like protein 2 (sFGL2) is a novel immunoregulatory molecule, secreted mainly by regulatory T cells. CD11b+ Gr1+ myeloid-derived suppressor cells (MDSCs) are an important…
  • 2017 American Transplant Congress

    Pro Inflammatory Transitional B (TrB) Cells Characterize Renal Allograft Recipients with DSA and T Cell Mediated Rejection (TCMR).

    A. Sharma, A. Cherukuri, D. Rothstein.

    UPMC, Pittsburgh

    De novo DSA detected post-renal transplantation is associated with adverse outcomes. We have shown that de novo DSA is strongly associated with TCMR. In this…
  • 2017 American Transplant Congress

    Acute Antibody-Mediated Rejection in Pediatric Liver Transplantation.

    C. Eriksen,1 M. Zimmerman,1 J. Kim,1 S. Lerret,2 G. Telega,2 B. Vitola,2 J. Schiller,3 J. Hong.1

    1Dept. of Surgery, Division of Transplant, Medical College of Wisconsin, Milwaukee; 2Dept of Pediatrics, Division of Gastroenterology, Medical College of Wisconsin, Milwaukee; 3Director, Histocompatibility Laboratory, Medical College of Wisconsin, Milwaukee

    Donor-specific antibodies (DSA) and antibody mediated rejection (AMR) are associated with decreased graft survival in pediatric liver transplantation; however, the incidence of AMR is not…
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