PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2875443-9 1986 Furthermore, VIP interacts synergistically with norepinephrine to stimulate cAMP formation and to inhibit the firing rate of spontaneously active identified cortical neurons. Norepinephrine 48-62 vasoactive intestinal peptide Homo sapiens 13-16