PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9187937-7 1997 However, coincubation with NG-monomethyl-L-arginine, an inhibitor of nitric oxide (NO) synthesis, inhibited the upregulation of Fas induced by IL-1 and TNF-alpha. omega-N-Methylarginine 27-51 tumor necrosis factor Homo sapiens 152-161