PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34519584-6 2021 EV PD-L1 significantly inhibited the activation of human CD8+ T cells by down-regulating the cell surface CD69 expression and the intracellular IFNgamma and TNFalpha production in vitro. .alpha.-Glutamylvaline 0-2 CD69 molecule Homo sapiens 106-110