Title : Effects of danazol and progesterone on sex hormone-binding globulin mRNA expression in human endometrial cancer cell line Ishikawa.

Pub. Date : 1997 Jul

PMID : 9408086






5 Functional Relationships(s)
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1 Effects of danazol and progesterone on sex hormone-binding globulin mRNA expression in human endometrial cancer cell line Ishikawa. Danazol sex hormone binding globulin Homo sapiens
2 Danazol and progesterone significantly (P < 0.05) suppressed the expression of SHBG mRNA dose-dependently starting at a concentration of 10(-6) and 10(-8) M, respectively. Danazol sex hormone binding globulin Homo sapiens
3 The time course study showed the time-dependent decrease of SHBG mRNA level by danazol and progesterone (10[-6] M) with or without E2 (10[-8] M), except for a temporal increase by progesterone. Danazol sex hormone binding globulin Homo sapiens
4 These findings suggest that danazol and progesterone in a superphysiological milieu down-regulate the intracellular SHBG-related steroidal actions, and that progesterone in a physiological milieu with estrogen up-regulates it in a hormone-dependent cell line. Danazol sex hormone binding globulin Homo sapiens
5 A decrease of intracellular SHBG caused by high-dose danazol or progesterone might partly contribute to the abolition of the intracellular estrogen-dominant milieu, and be related to the inhibition of estrogen-dependent growth of some endometrial cancer cells. Danazol sex hormone binding globulin Homo sapiens