PD-L1 Deficiency within Islets Reduces Allograft Survival in Mice.
Islet transplantation may potentially cure type 1 diabetes mellitus (T1DM).However, immune rejection, especially that induced by the alloreactive T-cell response, remains a restraining factor for the long-term survival of grafted islets.Programmed death ligand-1 (PD-L1) is a negative costimulatory molecule.PD-L1 KUDZU deficiency within the donor he