PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2567956-7 1989 On the contrary, progesterone treatment increased TH activity 24 h after the steroid injection. Steroids 77-84 tyrosine hydroxylase Rattus norvegicus 50-52 2567956-9 1989 However, an estrogen-dependent increase in TH activity occurred short-time after the steroid administration. Steroids 85-92 tyrosine hydroxylase Rattus norvegicus 43-45