alexa Molecular mechanisms of glucocorticoid action and resistance.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Steroids & Hormonal Science

Author(s): Schaaf MJ, Cidlowski JA

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Abstract The actions of glucocorticoid hormones are mediated by an intracellular receptor, the glucocorticoid receptor (GR). The mechanism of action of this ligand-inducible transcription factor is discussed, focusing on mechanisms of glucocorticoid resistance. Three mechanisms are highlighted: ligand-induced down-regulation of the receptor, the dominant-negative inhibition by the beta-isoform of the receptor, and repression by the transcription factor NF-kappa B. It has been shown that these mechanisms can significantly inhibit glucocorticoid signaling, and could therefore seriously decrease the efficacy of glucocorticoids used clinically.
This article was published in J Steroid Biochem Mol Biol and referenced in Journal of Steroids & Hormonal Science

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