PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2553589-3 1989 Recombinant human tumor necrosis factor (TNF) did not modify the level of intracellular NBT reduction in PMA-stimulated PMN, although it slightly increased the secretion of superoxide anion. Superoxides 173-189 tumor necrosis factor Homo sapiens 18-39 2553589-3 1989 Recombinant human tumor necrosis factor (TNF) did not modify the level of intracellular NBT reduction in PMA-stimulated PMN, although it slightly increased the secretion of superoxide anion. Superoxides 173-189 tumor necrosis factor Homo sapiens 41-44