Regulatory T Cells Induced by 1 ,25-Dihydroxyvitamin D3 and Mycophenolate Mofetil Treatment Mediate Transplantation Tolerance
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Regulatory T cells induced by 1 alpha,25-dihydroxyvitamin D3 and mycophenolate mofetil treatment mediate transplantation tolerance.
1alpha,25-dihydroxyvitamin D3, the active form of vitamin D3, and mycophenolate mofetil, a selective inhibitor of T and B cell proliferation, modulate APC function and induce dendritic cells (DCs) with a tolerogenic phenotype. Here we show that a short treatment with these agents induces tolerance to fully mismatched mouse islet allografts that is stable to challenge with donor-type spleen cell...
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Dendritic cells (DCs) not only induce but also modulate T cell activation. 1,25-Dihydroxyvitamin D(3) [1,25-(OH)(2)D(3)] induces DCs with a tolerogenic phenotype, characterized by decreased expression of CD40, CD80, and CD86 co-stimulatory molecules, low IL-12, and enhanced IL-10 secretion. We have found that a short treatment with 1,25-(OH)(2)D(3) induces tolerance to fully mismatched mouse is...
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The ultimate goal in transplantation medicine is the promotion of operational tolerance. Although Th cells of the Th17 type have been predominantly associated with rejection of allogeneic solid organ grafts, regulatory T (T(reg)) cells appear to foster operational tolerance. Induced T(reg) and Th17 cells have a higher lineage plasticity than has been recognized thus far. We found that when mese...
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OBJECTIVES Transplant arteriosclerosis is a major obstacle for long-term allograft survival in heart transplant. The aim of this study was to investigate potential synergistic effects of combined treatment with mycophenolate mofetil and ganciclovir on the development of transplant arteriosclerosis, presence of regulatory T cells, and expression of donor specific alloantibodies. MATERIALS AND ...
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تاریخ انتشار 2001