PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7224841-3 1980 Of these, particular importance is being attached to prostacycline, though to be implicated in the physiological control of platelet clumping and also in that of renin secretion. Epoprostenol (TN) 53-66 renin Homo sapiens 162-167