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The suppressive effect of rapamycin on T cells has been extensively studied, but its influence on the function of APC is less clear. The data in this study demonstrated that immunostimulatory activity of B10 (H2(b)) dendritic cells (DC) exposed to rapamycin (rapa-DC) was markedly suppressed as evidenced by the induction of low proliferative responses and(More)
Myeloid-derived suppressor cells (MDSCs) play an important role in the regulation of the immune response. MDSC expansion occurs in many circumstances, including cancer, inflammation, stresses, and transplant tolerance. Liver transplants in mice are spontaneously accepted, but hepatocyte transplants are acutely rejected, suggesting the immunoregulatory(More)
Hepatic stellate cells (HSCs) interact with immune cells to actively participate in regulating immune response in the liver which is mediated by the effector molecules, including B7-H1. We demonstrated here that expression of B7-H1 on HSCs was markedly enhanced by interferon-(IFN-) γ stimulation. IFN- γ stimulated HSCs inhibited T-cell proliferation via(More)
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