PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14744991-5 2004 The supernatant from insulin-stimulated human platelets induced complete relaxation, which was prevented by preincubation of platelets with a NOS inhibitor, the soluble guanylyl cyclase inhibitor, NS 2028, or the G kinase inhibitor, KT 5823, and was abolished by an adenosine A2A receptor antagonist. NS 2028 197-204 insulin Homo sapiens 21-28