Glucocorticoid receptor control of transcription: precision and plasticity via allostery.

Glucocorticoid receptor control of transcription: precision and plasticity via allostery.
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DOI:
10.1038/nrm.2016.152
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发表时间:
2017-03
期刊:
Nature reviews. Molecular cell biology
影响因子:
--
通讯作者:
Yamamoto KR
Yamamoto KR
中科院分区:
其他
文献类型:
--
作者:
Weikum ER;Knuesel MT;Ortlund EA;Yamamoto KR

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糖皮质激素受体(GR)是一种组成型表达的转录调节因子(TRF),其控制许多不同的基因网络,每个基因网络由特定的细胞和生理环境唯一地确定。GR介导的反应的精确度似乎取决于GR核转录调控复合物在基因组反应元件的组合,上下文特异性组装。反过来,有证据表明,上下文驱动的可塑性是由多种信号的整合赋予的,每个信号都充当GR构象的变构效应器,GR构象是调节复合物组成和活性的关键决定因素。GR调节特异性的这种结构和机制的观点很可能延伸到其他真核TRFs。
The glucocorticoid receptor (GR) is a constitutively expressed transcriptional regulatory factor (TRF) that controls many distinct gene networks, each uniguely determined by particular cellular and physiological contexts. The precision of GR-mediated responses seems to depend on combinatorial, context-specific assembly of GR-nucleated transcription regulatory complexes at genomic response elements. In turn, evidence suggests that context-driven plasticity is conferred by the integration of multiple signals, each serving as an allosteric effector of GR conformation, a key determinant of regulatory complex composition and activity. This structural and mechanistic perspective on GR regulatory specificity is likely to extend to other eukaryotic TRFs.
糖皮质激素受体在巨噬细胞中协调转录因子主导的调节网络。
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