PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33553650-7 2021 Stimulation with IL-4 and TNF-alpha induced the generation of PGE2 in supernatants of conjunctival fibroblasts, and this production was significantly downregulated by ketotifen fumarate or steroids. Steroids 189-197 tumor necrosis factor Homo sapiens 26-35