PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10226064-2 1999 Here, we report that hydrogen peroxide or 3-morpholinosydnonimine, which simultaneously releases nitric oxide and superoxide, synergize with the cytokine tumor necrosis factor (TNF)-alpha to activate NF-kappaB in rat lung epithelial cells, suggesting that signaling pathways elicited by reactive oxygen species (ROS)/reactive nitrogen species (RNS) are different from TNF-induced signaling. linsidomine 42-65 tumor necrosis factor-like Rattus norvegicus 177-180