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American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2016 American Transplant Congress

    Membranoproliferative Glomerulonephritis Pattern without Immunoglobulin and Complement Deposition in Renal Allograft Was Related to the Injury of Antibody-Mediated Rejection.

    J. Wen, F. Xu, J. Chen, X. Li, M. Zhang, Z. Zhang, Z. Liu.

    National Clinical Research Center of Kidney Diseases, Nanjing, China.

    Background: Differential diagnosis of Membranoproliferative Glomerulonephritis (MPGN) in renal allograft was difficult because of the confused etiology. Recurrent or de novo MPGN were related to…
  • 2016 American Transplant Congress

    Plasma Cell Frequency in Renal Rejection After Treatment with Alemtuzumab.

    L. Mugge, A. Zimmerman, N. Varshney, A. Gohara, M. Rees, J. Ortiz.

    Transplantation, The University of Toledo, Toledo, OH.

    Background: The highly successful induction drug Alemtuzumab (Campath) is commonly used prior to renal transplant. Yet, it does not completely ablate plasma cell which, in…
  • 2016 American Transplant Congress

    Type of Sensitization Does Not Impact Kidney Graft Outcome in Weakly Sensitized Patients.

    A. Morrison,1 D. Sawinski,2 M. Lim,2 M. Levine,1 M. Kamoun,3 P. Porrett.1

    1Surgery, University of Pennsylvania, Philadelphia, PA; 2Medicine, University of Pennsylvania, Philadelphia, PA; 3Pathology, University of Pennsylvania, Philadelphia, PA.

    Introduction: The impact of low level sensitization on kidney transplant (KTx) outcomes is unclear. While limited data suggest that KTx outcomes are comparable between weakly…
  • 2016 American Transplant Congress

    Post-Trial Experience with Belatacept: A Large Single Center Experience.

    A. Adams, C. Garrett, J. Goldstein, R. Zhang, A. Guasch, S. Pastan, R. Patzer, A. Kirk, T. Pearson, C. Larsen.

    Emory Transplant Center, Atlanta, GA.

    Evaluation of belatacept in clinical trials revealed significant improvements in renal function and cardiovascular risk leading to superior survival. Despite these proven benefits higher rates…
  • 2016 American Transplant Congress

    Real Time Assessment of Kidney Transplant Indication Biopsies by Microarrays: First Results of the INTERCOMEX Study.

    P. Halloran,1,2 J. Reeve,1 INTERCOMEX Study Group.

    1University of Alberta, Edmonton, Canada; 2ATAGC, Edmonton, Canada.

    Oncology uses central molecular tissue assessment (MTA) to guide management but the potential of this approach in transplantation is not known. We undertook a prospective…
  • 2016 American Transplant Congress

    Ageing as a Barrier to Transplant Tolerance.

    J. Kim, R. Stott, H. Deirawan, L. Kojima, L. Washburn, G. Zhao, H. Yeh, J. Markmann.

    Surgery/Transplant, Massachusetts General Hospital, Harvard Medical, Boston, MA.

    We recently demonstrated that ageing also impedes development of transplantation tolerance. Unlike their young counterparts (8-12 weeks of age) aged male recipients (greater than 12…
  • 2016 American Transplant Congress

    Proteoforms: Novel Biomarkers for Acute Rejection in Liver Transplant Recipients.

    J. Levitsky,1 T. Toby,1 K. Kim,1 I. Ntai,1 A. Demetris,2 M. Abecassis,1 P. Thomas,1 N. Kelleher.1

    1Northwestern, Chicago; 2UPMC, Pittsburgh.

    Background: Biomarker profiles diagnostic of acute rejection (AR) in liver transplant (LT) recipients could enhance the diagnosis and management of recipients. Our aim was to…
  • 2016 American Transplant Congress

    An Improved Method for the Evaluation of Microvascular Inflammation in Renal Allograft Biopsies.

    M. Rooney,1 Z. Ping,2 D. Samarapungavan,3 R. Hennigar.4

    1Incyte Diagnostics, Spokane Valley, WA; 2Pathology, Beaumont Hospitals, Royal Oak, MI; 3Nephrology, Beaumont Hospitals, Royal Oak, MI; 4Nephropathology Associates, Little Rock, AR.

    Background: Microvascular inflammation (MVI), assessed as glomerulitis (g) + peritubular capillaritis (ptc), is associated with T cell mediated (CMR) and antibody mediated (AMR) allograft rejection.…
  • 2016 American Transplant Congress

    A Non-Invasive Blood Transcriptional Assay, Ksort, Monitors Alloimmune Response in the Sailor Randomized Multicenter Trial.

    J. Ekberg,1 B. Jespersen,2 K. Skov,2 M. Sarwal,3 T. Sigdel,3 S. Hsieh,3 P. Lindner.1

    1Transplantation, Sahlgrenska University Hospital, Gothenburg, Sweden; 2Nephrology, Skejby Hospital, Aarhus, Denmark; 3Surgery, University of California, San Francisco.

    Non-invasive diagnosis and prediction of acute rejection (AR) is a critical unmet need. A In a randomized multicenter trial of 222 renal transplant recipients a…
  • 2016 American Transplant Congress

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

    C. Yang,1,4 L. Wang,3 R. Rong,2,4 T. Zhu,2,4 M. Xu.2,4

    1Plastic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China; 2Urology, Zhongshan Hospital, Fudan University, Shanghai, China; 3Biomedical Research Center, Zhongshan Hospital, Fudan University, Shanghai, China; 4Shanghai Key Laboratory of Organ Transplantation, 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…
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