Epigenetic regulation of estrogen signaling in breast cancer.
Fiche publication
Date publication
mars 2013
Auteurs
Membres identifiés du Cancéropôle Est :
Pr DELAGE-MOURROUX Régis
Tous les auteurs :
Hervouet E, Cartron PF, Jouvenot M, Delage-Mourroux R
Lien Pubmed
Résumé
Estrogen signaling is mediated by ERalpha and ERbeta in hormone dependent, breast cancer (BC). Over the last decade the implication of epigenetic pathways in BC tumorigenesis has emerged: cancer-related epigenetic modifications are implicated in both gene expression regulation, and chromosomal instability. In this review, the epigenetic-mediated estrogen signaling, controlling both ER level and ER-targeted gene expression in BC, are discussed: (1) ER silencing is frequently observed in BC and is often associated with epigenetic regulations while chemical epigenetic modulators restore ER expression and increase response to treatment;(2) ER-targeted gene expression is tightly regulated by co-recruitment of ER and both coactivators/corepressors including HATs, HDACs, HMTs, Dnmts and Polycomb proteins.
Référence
Epigenetics. 2013 Mar;8(3):237-45