PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6089950-1 1984 A study was performed to see whether ketanserin, a serotonin antagonist, would reduce the raised concentrations of adrenocorticotrophic hormone (ACTH) in patients with Nelson"s syndrome. Serotonin 51-60 proopiomelanocortin Homo sapiens 145-149 6089950-4 1984 In healthy people serotonin seems to have a stimulatory role in the regulation of ACTH secretion, and the effect of ketanserin in reducing the ACTH response to hypoglycaemia suggested that it might prove useful in Nelson"s syndrome. Serotonin 18-27 proopiomelanocortin Homo sapiens 82-86