Nucleic Acids Research Advance Access published online on August 12, 2008
Nucleic Acids Research, doi:10.1093/nar/gkn520
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Gene Regulation, Chromatin and Epigenetics |
The orphan receptor ERR
interferes with steroid signaling
Institut de Génomique Fonctionnelle de Lyon, Université de Lyon; Institut Fédératif Biosciences Gerland Lyon Sud and Université Lyon 1, CNRS, INRA, Ecole Normale Supérieure de Lyon, 46 allée d'Italie, 69364 Lyon cedex 07, France
*To whom correspondence should be addressed: Tel: +33 (0) 4 72 72 85 91; Fax: +33 (0) 4 72 72 80 80; Email: Jean-Marc.Vanacker{at}ens-lyon.fr
Received December 4, 2007. Revised July 30, 2008. Accepted July 30, 2008.
The estrogen receptor-related receptor
(ERR
) is an orphan member of the nuclear receptor superfamily that has been shown to interfere with the estrogen-signaling pathway. In this report, we demonstrate that ERR
also cross-talks with signaling driven by other steroid hormones. Treatment of human prostatic cells with a specific ERR
inverse agonist reduces the expression of several androgen-responsive genes, in a manner that does not involve perturbation of androgen receptor expression or activity. Furthermore, ERR
activates the expression of androgen response elements (ARE)-containing promoters, such as that of the prostate cancer marker PSA, in an ARE-dependent manner. In addition, promoters containing a steroid response element can be activated by all members of the ERR orphan receptor subfamily, and this, even in the presence of antisteroid compounds.
Present addresses: Catherine Teyssier, Inserm U554, Centre de Biochimie Structurale, Montpellier, France Olivia Lanvin, Inserm U563, Centre Claudius Régaud, Toulouse, France
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