PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10434946-8 1999 These data indicate that antiprogestin administration inhibits progesterone downregulation of steroid receptors in endometrial glands, resulting in persistence of a proliferative endometrium and accompanying bcl-2 secretion. Progesterone 63-75 BCL2 apoptosis regulator Homo sapiens 208-213