PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34025677-3 2021 Here we show that tumoral IDO1 expression led to profound changes in tryptophan, nicotinate/nicotinamide, and purine metabolic pathways in the ovarian tumor microenvironment, and to an increased frequency of PD-1+CD8+ tumor infiltrating T cells. purine 110-116 indoleamine 2,3-dioxygenase 1 Sus scrofa 26-30