...Sylvie Cassanelli; Josette Louis; Daniel Seigneurin Heterogeneity of progesterone receptor (PR) expression in MCF-7 cells is generally attributed to the coexistence of several sublines, each possessing different stages of differentiation. One hypothesis is that the variation of PR distribution...

...M.H. Liberato; S. Sonohara; M.M. Brentani The effects of estradiol (E 2 ), dihydrotestosterone (DHT) and dehydro-3-epiandrosterone (DHEA) on proliferation and progesterone receptor induction were studied in a breast cancer cell line (T47D) expressing estrogen, androgen, and progesterone receptors...

... hormones and EGF and support the need for further studies to better understand their respective roles in modulating breast cancer growth. Epidermal growth factor receptor Estrogen receptor Progesterone receptor Breast cancer Tumor Biol 1988;9:200-211 © 1988 S. Karger AG, Basel 1010-4283/88/0094...

... and II endometrial adenocarcinoma. RNA was extracted, Northern blot analysis performed and expression of HOXA10 assessed by densitometry. Expression of estrogen receptor, progesterone receptor and p53 was analyzed by immunohistochemistry. HOXA10 was expressed in both normal and neoplastic endometrium...