PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33903732-1 2021 Progesterone (P4) and estradiol (E2) have been shown to stimulate and regulate breast cancer proliferation via classical nuclear receptor signaling through progesterone receptor (PR) and estrogen receptor alpha (ERalpha), respectively. Progesterone 0-12 progesterone receptor Homo sapiens 156-177 33903732-1 2021 Progesterone (P4) and estradiol (E2) have been shown to stimulate and regulate breast cancer proliferation via classical nuclear receptor signaling through progesterone receptor (PR) and estrogen receptor alpha (ERalpha), respectively. Progesterone 0-12 progesterone receptor Homo sapiens 179-181