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Articles tagged "Rejection"

  • 2016 American Transplant Congress

    C1q Donor Specific Antibody Associates with Post Transplant Biopsy Findings in Highly Sensitized Kidney Transplant Recipients.

    S. Kuppachi,1 D. Holanda,2 S. Gallegos,3 E. Field.3,4

    1Nephrology, University of Iowa Hospitals and Clinics, Iowa City, IA; 2Pathology, University of Iowa Hospitals and Clinics, Iowa City, IA; 3Iowa Regional Histocompatibility and Immunogenetics Laboratory, Veteran Affairs Medical Center, Iowa City, IA; 4Immunology, University of Iowa Hospitals and Clinics, Iowa City, IA.

    We performed monitoring of conventional donor specific antibodies (DSA) and C1q binding DSA (C1q DSA) to correlate levels with pathology findings in protocol kidney biopsies…
  • 2016 American Transplant Congress

    Monocyte Recruitment to HLA Class I Antibody-Activated Endothelial Cells Is Dependent Upon mTOR.

    S. Salehi, E. Reed.

    Pathology & Laboratory Medicine, UCLA, Los Angeles, CA.

    Aim: Antibody-mediated rejection (AMR) is a major issue affecting solid organ transplants, manifesting with recruitment of monocytes to the endothelium of the allograft. The purpose…
  • 2016 American Transplant Congress

    Clinical Significance of Mycophenolic Acid Therapeutic Drug Monitoring in Kidney Transplant Recipients.

    C.-D. Kim, J.-H. Cho, K. Kim, M. Kim, W. Do, Y. Yang, T. Yim, I. Hwang, J.-H. Lee, H.-Y. Jung, J.-Y. Choi, S.-H. Park, Y.-L. Kim.

    Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.

    Background: Mycophenolic acid (MPA) is a widely used immunosuppressant to prevent acute rejection in kidney transplant recipients (KTRs). However, clinical significance of MPA therapeutic drug…
  • 2016 American Transplant Congress

    Impact of Early Acute Rejection (AR) on Pancreas Transplant (PT) Outcomes.

    V. Kirchner, T. Dunn, A. Kukla, R. Kandaswamy, E. Finger.

    University of Minnesota, Minneapolis.

    Background: The role of early AR in long-term PT outcomes remains unclear. Despite reported high rate of AR (up to 40% in PTA), graft survival…
  • 2016 American Transplant Congress

    Mechanistic Insights into How Targeting of HDAC10 Promotes Foxp3+ Treg Cell Suppressive Activity, Gene Expression and Metabolism, and Enhances Allograft Survival.

    S. Dahiya,1 L. Wang,1 U. Beier,1,2 A. Angelin,1 R. Han,1 D. Wallace,1,2 W. Hancock.1,2

    1Children's Hospital of Philadelphia, Philadelphia; 2University of Pennsylvania, Philadelphia.

    Foxp3+ T-regulatory (Treg) cells are key regulators of immune responses that can result in unwarranted inflammation and promote allograft rejection. From a theoretical perspective, targeting…
  • 2016 American Transplant Congress

    Black Ethnicity as a Risk Factor for Poor Kidney Allograft Outcomes Post-Transplantation.

    S. Tahir,1 F. Jackson-Spence,1 H. Gillott,1 F. Everson,2 J. Nath,2 A. Sharif.2

    1University of Birmingham, Birmingham, United Kingdom; 2Queen Elizabeth Hospital, Birmingham, United Kingdom.

    Introduction: Registry studies, largely from the United States, have consistently demonstrated inferior outcomes for black patients undergoing renal transplant. A recent Canadian publication has challenged…
  • 2016 American Transplant Congress

    Clinical Significance of Isolated v1 Arteritis in Renal Transplantation.

    D. Mikhail,1,3 J. Wei,3 D. Kleinsteuber,2 M. Gabril,2,3 A. Sener,1,3 M. Moussa,2,3 P. Luke.1,3

    1Department of Surgery, Division of Urology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada; 2Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada; 3Undergraduate Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.

    INTRO: The presence of intimal arteritis (v) in renal transplant biopsies (Bx) establishes Grade II-III AVR (Acute Vascular Rejection) according to the Banff Classification. The…
  • 2016 American Transplant Congress

    The Role of HLA Class II Antibody in Endothelial Cell Activation and Allograft Rejection.

    G. Cantanhede,1 V. Carter,2 K. Giles,2 J. Kirby,1 S. Ali.1

    1Institute of Cellular Medicine, University of Newcastle, Newcastle, Tyne and Wear, United Kingdom; 2Histocompatibility and Immunogenetics, National Health Service Blood and Transplant, Newcastle, Tyne and Wear, United Kingdom.

    Background: Antibody-mediated rejection is one of the major causes of chronic rejection. This is mediated by endothelial cell activation, a process of endothelium microvascular inflammation…
  • 2016 American Transplant Congress

    Urinary Exosomal Annexin A1 Is a Predictive Biomarker of Post Kidney Transplant Complications.

    H. Harada,1 T. Murakami,2 C. Yamamoto,2 K. Hotta,1 N. Fukuzawa,1 M. Mitsuhashi.2

    1Kidney Transplant Surgery, Sapporo City General Hospital, Sapporo, Japan; 2Hitachi Chemical Co. America, Ltd., Irvine, CA; 3Nanosomix, Inc., Aliso Viejo, CA.

    IntroductionMonitoring of kidney allograft condition is important. We had exhibited non-invasive diagnostic modality of post-kidney transplant complications using urine exosomal and microvesicule (EMV) mRNA of…
  • 2016 American Transplant Congress

    Immunological Ageing-Related Expansion of Highly Differentiated CD4+CD28null T Cells Is Associated with a Lower Risk for Early Acute Rejection After Renal Transplantation.

    B. Dedeoglu, R. Meijers, M. Klepper, D. Hesselink, C. Baan, N. Litjens, M. Betjes.

    Internal Medicine, Nephrology and Transplantation, Erasmus MC, University Medical Centre, Rotterdam, Netherlands.

    Background: End-stage renal disease patients have a dysfunctional, prematurely aged peripheral T-cell system. Here we hypothesized that the degree of premature T-cell ageing before kidney…
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