[Tissue-specific membrane effects of estrogen receptor alpha].

Med Sci (Paris) 2015 Dec 16;31(12):1083-91. Epub 2015 Dec 16.

Inserm U1048-Université Paul Sabatier, I2MC, CHU Rangueil, 1, avenue Jean Poulhès, 31432 Toulouse, France.

Estrogen receptors (ER) are used as therapeutic targets, either for contraception or for the hormonal replacement therapy in menopausal women, but also in physiopathology for breast cancer treatment. It is therefore important to understand the tissue-specificity of the actions of ERα to optimize the benefits/risks ratio in each tissue. Besides the conventional nuclear ERα acting as a transcription factor, many studies have demonstrated that ERα is also able to mediate extra nuclear signaling, enabling rapid actions of estrogen. Recently, new transgenic mouse models were used to study these effects, and allowed to genetically segregate membrane versus nuclear actions of a steroid hormone receptor, demonstrating their in vivo tissue-specific roles.

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http://dx.doi.org/10.1051/medsci/20153112011DOI Listing
December 2015
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