Control of steroid receptor dynamics and function by genomic actions of the cochaperones p23 and Bag-1L

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Control of steroid receptor dynamics and function by genomic actions of the cochaperones p23 and Bag-1L

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Title: Control of steroid receptor dynamics and function by genomic actions of the cochaperones p23 and Bag-1L
Author: Cato, Laura; Neeb, Antje; Brown, Myles; Cato, Andrew C. B.

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Citation: Cato, Laura, Antje Neeb, Myles Brown, and Andrew C. B. Cato. 2014. “Control of steroid receptor dynamics and function by genomic actions of the cochaperones p23 and Bag-1L.” Nuclear Receptor Signaling 12 (1): e005. doi:10.1621/nrs12005. http://dx.doi.org/10.1621/nrs12005.
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Abstract: Molecular chaperones encompass a group of unrelated proteins that facilitate the correct assembly and disassembly of other macromolecular structures, which they themselves do not remain a part of. They associate with a large and diverse set of coregulators termed cochaperones that regulate their function and specificity. Amongst others, chaperones and cochaperones regulate the activity of several signaling molecules including steroid receptors, which upon ligand binding interact with discrete nucleotide sequences within the nucleus to control the expression of diverse physiological and developmental genes. Molecular chaperones and cochaperones are typically known to provide the correct conformation for ligand binding by the steroid receptors. While this contribution is widely accepted, recent studies have reported that they further modulate steroid receptor action outside ligand binding. They are thought to contribute to receptor turnover, transport of the receptor to different subcellular localizations, recycling of the receptor on chromatin and even stabilization of the DNA-binding properties of the receptor. In addition to these combined effects with molecular chaperones, cochaperones are reported to have additional functions that are independent of molecular chaperones. Some of these functions also impact on steroid receptor action. Two well-studied examples are the cochaperones p23 and Bag-1L, which have been identified as modulators of steroid receptor activity in nuclei. Understanding details of their regulatory action will provide new therapeutic opportunities of controlling steroid receptor action independent of the widespread effects of molecular chaperones.
Published Version: doi:10.1621/nrs12005
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4242288/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13454805
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