PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33859108-9 2021 P2 demonstrated a striking increase in the frequency of gag-specific central and effector memory CD8+ T cells producing IFN-gamma, TNF-alpha, and CD107a following anti-PD1 and anti-CTLA-4. P-2 0-2 cytotoxic T-lymphocyte associated protein 4 Homo sapiens 181-187