Human inherited PD-L1 deficiency is clinically and immunologically less severe than PD-1 deficiency.
Johnson MB, Ogishi M, Domingo-Vila C, De Franco E, Wakeling MN, Imane Z, Resnick B, Williams E, Galão RP, Caswell R, et al. J Exp Med. 2024 Jun 3; 221(6). Epub 2024 Apr 18.