PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9134653-5 1997 In contrast, with plasmin-pretreated platelets, aggregation and release of 14C-serotonin were strongly potentiated in response to low concentrations of the thrombin receptor-activating peptide SFLLRN, ADP, platelet-activating factor, collagen, arachidonic acid, the thromboxane mimetic U46619, and the calcium ionophores A23187 and ionomycin. Arachidonic Acid 244-260 coagulation factor II, thrombin Homo sapiens 156-164