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Bulletin du Cancer

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Genetic alterations of transcription cofactors in solid tumors Volume 89, issue 4, Avril 2002

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Authors
Inserm U. 540, Endocrinologie moléculaire et cellulaire des cancers, 60, rue de Navacelles, 34090 Montpellier.

Many hormones exert their effects through specific nuclear receptors which belong to a superfamily of ligand-activated transcription factors. These receptors control target gene expression through the recruitment of different cofactors acting as transcription activation or repression mediators, generally as parts of multiprotein complexes. The importance and the role in physiopathology of these different cofactors only begin to be defined. Different types of alterations affecting genes coding nuclear receptor transcription cofactors have indeed been described in cancer. The most important examples are gene amplification that leads to overexpression and gene mutations or translocations introducing qualitative modifications. This paper aims at bringing together the corresponding literature and focuses on gene alterations observed in solid tumors.