PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1353443-17 1992 4) The NGF-mediated differentiation of PC12 cells into sympathetic neurons exerted a stimulatory effect on basal, nicotine-induced, and depolarization-dependent dynorphin secretion. Nicotine 114-122 nerve growth factor Rattus norvegicus 7-10