PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2233741-7 1990 ER mRNA half-life was determined by [3H]uridine incorporation to be approximately 60 min and was unaffected by progestin treatment during the early rapid phase of ER mRNA down-regulation. [3h]uridine 36-47 estrogen receptor 1 Homo sapiens 0-2