2017 American Transplant Congress
Distinctive Molecular Features of Antibody-Mediated versus T-Cell Mediated Rejection in Facial Transplantation.
Brigham and Women's Hospital, Boston, MA
BackgroundA single case of antibody-mediated rejection in a clinical face transplant has been reported worldwide. The availability of repeated allograft biopsies from this patient allowed…2017 American Transplant Congress
A Regulatory T Cell (Treg)-Intrinsic Role for p27kip1 in Acquired Transplant Tolerance.
Pathology, The Children's Hospital of Philadelphia, Philadelphia, PA
We previously found that the cyclin-dependent kinase CDK2 phosphorylates the Treg transcription factor Foxp3, targeting it for proteolytic degradation. Treg with defective CDK2 activity express…2017 American Transplant Congress
Identification of Kidney Transplant Patients at Risk for Skin Cancer by Differentially Methylated Regions in T Cells.
Skin cancer, specifically cutaneous squamous cell carcinoma (cSCC), is the most often occurring malignancy in patients after organ transplantation, with an incidence of 100-200 times…2017 American Transplant Congress
Contribution of Donor versus Recipient T Cells in Face Transplant Rejection.
1Brigham and Women's Hospital, Boston; 2Broad Institute of MIT and Harvard, Cambridge
BackgroundSkin-containing transplants such as facial allografts contain resident populations of donor T cells. Although the role of T cells in acute rejection is well established,…2017 American Transplant Congress
Novel Cell Intrinsic Role of the Adaptor Protein TSAd in Maintaining Alloimmune T Regulatory Cell Function.
TSAd is an SH2 domain containing intracellular adapter molecule that functions to elicit T cell receptor-mediated signals and cytokine production. TSAd knockout (KO) T cells…2017 American Transplant Congress
Medicinal Herb Cordyceps Sinensis Promotes Long-Term Allograft Survival by Tipping the Balance Between CD4+FoxP3+ Tregs and CD8+ Tcm Cells.
Achieving long-term allograft survival or tolerance without continuously global immunosuppression is highly desirable in transplantation. This study was set to induce long-term allograft survival using…2017 American Transplant Congress
Operational Tolerance in Intestinal Transplantation: A Proven Possibility.
A The purpose of this study is to immunologically characterize the first operationally tolerant intestinal transplant (ITx) patient known to date.B Flow cytometry and rtPCR…2017 American Transplant Congress
B Cell-Derived Cytokines Rather Than T/B Cognate Interactions Mediate CD8 T Cell Reconstitution Following Lymphoablation.
Immunology, Cleveland Clinic, Cleveland, OH
Antibody-mediated lymphoablation is a commonly used induction therapy in sensitized transplant recipients. Using murine anti-thymocyte globulin (mATG) in a model of BALB/c (H-2d) to B6…2017 American Transplant Congress
Maximizing the Potential of Treg-Based Therapies for Transplant Rejection via Computational Immune-Modeling: Effect of Dose, Timing, and Distribution.
Purpose. Regulatory T cells (Treg), endogenous regulators of the immune system, have a significant therapeutic potential for prevention of transplant rejection. Experimental evidences however, indicate…2017 American Transplant Congress
Evaluating T Cell Repopulation Post Alemtuzumab Induction with a Belatacept-Based Regimen.
Department of Surgery, Duke University, Durham, NC
We reported that alemtuzumab induction followed by belatacept-sirolimus based immunosuppression effectively prevents costimulation blockade resistant rejection (CoBRR). This study investigates the phenotypic characteristics of repopulating…
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