2018 American Transplant Congress
Bone Marrow Derived Myeloid Suppressor Cell (BM-MDSCs) Prolongs the Graft Survival in Murine Heart Transplantation
Atopy(Allergy) Research Center, Juntento University, Tokyo, Japan.
Purpose: To investigate the impact of BM-MDSCs on murine heart transplantationMaterial and Methods:Bone marrow cells were harvested and cultured with granulocyte-macrophage colony-stimulating factor (GM-CSF) and…2018 American Transplant Congress
Lymph Node Stromal Laminins Affect Graft Survival through Regulation of CD4 T Cell Proliferation and Migration
University of Maryland, Baltimore, MD.
Background: Our prior studies demonstrated that tolerance and immunity are associated with differential expression of lymph node (LN) stromal laminins α4β1γ1 (411) and α5β1γ1 (511),…2018 American Transplant Congress
OX40 Costimulation Prevents Induction of Foxp3+ Tregs through Upregulation of Novel Repressors of Foxp3 Gene Expression
Foxp3+ Tregs are essential for the induction of transplant tolerance and OX40 costimulation is known to break transplant tolerance. The exact mechanism of OX40 in…2018 American Transplant Congress
The Inhibitory Effect of Plasma on Activation of Lymphocytes from Kidney Transplants is Significantly More Severe in Tacrolimus Based Regimen: What Implications for Plasma Exchange Role in Anti-Rejection Therapy?
Background:Reduction of lymphocyte proliferation by human plasma has been previously reported. Reduced activation of lymphocytes of patients on immunosuppressive drugs is well documented. However, trial…2018 American Transplant Congress
Sensing T Cell Killing Activity with Granzyme B Activity Probes
Purpose: We developed activity-based probes that sense Granzyme B (GzmB) activity during alloreactive T cell killing of donor cellsMethods: FITC-labelled GzmB substrate (IEFDSG) was synthesized…2018 American Transplant Congress
B-Cell Depletion with Rituximab Exacerbates Anti-Donor CD4+ T-Cell Responses in Patients with Donor-Specific Anti-Human Leukocyte Antigen Antibodies
Gastroenterological and Transplant Surgery, Hiroshima University, Hiroshima, Japan.
Background: It has been reported that preformed donor-specific anti-human leukocyte antigen antibodies (DSAs) were associated with poor graft outcomes in kidney transplant recipients. To eliminate…2018 American Transplant Congress
Donor T Cells Undermine the Graft-Protective Effect of DST Plus Anti-CD154
Plastic Surgery, Johns Hopkins University, Baltimore, MD.
Costimulation blockade (CoB) regimens are a promising immunomodulatory strategy to prevent transplant rejection. However, their efficacy is affected by multiple factors, including still unknown ones.…2017 American Transplant Congress
Mesenchymal Stem Cells Suppress T Cell Proliferation and Improve Allograft Survival in a Nonhuman Primate Transplant Model.
Emory Transplant Center, Emory University, Atlanta, GA
Background: The clinical implementation of costimulation blockade (CoB) provides long-term benefit to transplant recipients, with the short-term drawback of increased acute rejection. Cellular therapies are…2017 American Transplant Congress
Inhibition of Memory T Cell Alloresponses by TIM-1+ B Cells.
Background:Alloreactive memory T cells mediate accelerated rejection of allografts and prevent tolerance induction. While regulatory B cells (Bregs) can promote tolerance induction through suppression of…2017 American Transplant Congress
IVIg+Rituximab Desensitization (DES) Combined with Alemtuzumab (ATZ) Induction Does Not Increase Risk for Viral Infections (VIs) and Associated Complications in HLA-Sensitized (HS) Kidney Transplant Patients (KTx Pts).
Background: VIs represent significant morbidity factors in KTx pts. DES followed by KTx with ATZ induction increased successful Tx rates in HS pts, but may…
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