Porcine MHC class II antigens are potent stimulators of direct T-cell recognition by human CD4+ T cells and are , therefore , likely to play an important role in the rejection responses to transgenic pig donors in clinical xenotransplantation .
porcine mhc class ii antigens are potent stimulators of direct t-cell recognition by human cd4+ t cells and are , therefore , likely to play an important role in the rejection responses to transgenic pig donors in clinical xenotransplantation .
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