PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 509217-9 1979 Substance P produced a dose-dependent inhibition of ACh (5 x 10(-5) M) stimulated [3H]NA release in the range of 10(-8) to 5 x 10(-5) M with an ID50 of 10(-6) M. A similar inhibition of NA release by substance P was obtained when nicotine (K X 10(-6) M) was used as the agonist, but not when K+ (50 MM) was used to depolarize the cells. Nicotine 230-238 tachykinin precursor 1 Bos taurus 0-11