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Dissection génétique de la fonction de l'acide rétinoïque dans la physiologie de l'épiderme [Genetic dissection of retinoic acid function in epidermis physiology]

Archive ouverte | Ghyselinck, Norbert | CCSD

The active metabolite of vitamin A (retinoic acid, RA) acts through the nuclear receptors RARalpha, beta and gamma and RXRalpha, beta and gamma. These receptors form RAR/RXR heterodimers, which bind to genetic regulatory DNA seque...

Physiological and retinoid-induced proliferations of epidermis basal keratinocytes are differently controlled

Archive ouverte | Chapellier, Benoit | CCSD

International audience. To investigate the roles of retinoic acid (RA) receptors (RARs) in the physiology of epidermis that does not express RAR beta, conditional spatio-temporally controlled somatic mutagenesis was...

Genetic and pharmacological evidence that a retinoic acid cannot be the RXR-activating ligand in mouse epidermis keratinocytes

Archive ouverte | Calléja, Cécile | CCSD

International audience. Using genetic and pharmacological approaches, we demonstrate that both RARγ/RXRα heterodimers involved in repression events, as well as PPARβ(δ)/RXRα heterodimers involved in activation event...

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