PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8179594-6 1994 These studies support the idea that superoxide anion radical plays a role in the expression of c-fos mRNA. Superoxides 36-60 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 95-100