Interaction of the glucocorticoid receptor with the chromatin landscape

S John, P Sabo, TA Johnson, M-H Sung, SC Biddie, SL Lightman, TC Voss, SR Davis, PS Meltzer, JA Stamatoyannopoulos, GL Hager

Research output: Contribution to journalArticle (Academic Journal)

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Abstract

The generality and spectrum of chromatin-remodeling requirements for nuclear receptor function are unknown. We have characterized glucocorticoid receptor (GR) binding events and chromatin structural transitions across GR-induced or -repressed genes. This analysis reveals that GR binding invariably occurs at nuclease-accessible sites (DHS). A remarkable diversity of mechanisms, however, render these sites available for GR binding. Accessibility of the GR binding sites is either constitutive or hormone inducible. Within each category, some DHS sites require the Brg1-containing Swi/Snf complex, but others are Brg1 independent, implicating a different remodeling complex. The H2A.Z histone variant is highly enriched at both inducible and constitutive DHS sites and is subject to exchange during hormone activation. The DHS profile is highly cell specific, implicating cell-selective organization of the chromatin landscape as a critical determinant of tissue-selective receptor function. Furthermore, the widespread requirement for chromatin remodeling supports the recent hypothesis that the rapid exchange of receptor proteins occurs during nucleosome reorganization.
Translated title of the contributionInteraction of the glucocorticoid receptor with the chromatin landscape
Original languageEnglish
Pages (from-to)611 - 624
Number of pages14
JournalMolecular Cell
Volume29
Issue number5
DOIs
Publication statusPublished - 14 Mar 2008

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    John, S., Sabo, P., Johnson, TA., Sung, M-H., Biddie, SC., Lightman, SL., Voss, TC., Davis, SR., Meltzer, PS., Stamatoyannopoulos, JA., & Hager, GL. (2008). Interaction of the glucocorticoid receptor with the chromatin landscape. Molecular Cell, 29(5), 611 - 624. https://doi.org/10.1016/j.molcel.2008.02.010