Combinatorial control of ATF4-dependent gene transcription in osteoblasts.

Combinatorial control of ATF4-dependent gene transcription in osteoblasts.
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成骨细胞中ATF4依赖基因转录的组合控制。

DOI:
10.1111/j.1749-6632.2011.06197.x
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发表时间:
2011-11
影响因子:
5.2
通讯作者:
Hekmatnejad B
Hekmatnejad B
中科院分区:
综合性期刊3区
文献类型:
--
作者:
St-Arnaud R;Hekmatnejad B

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成骨细胞特异性基因转录需要骨细胞特异性转录因子和更广泛表达的转录调控因子之间的相互作用。这对于基本结构域亮氨酸拉链因子激活转录因子4 (ATF4)尤其明显,其活性可以通过与其他亮氨酸拉链蛋白、中间丝蛋白、基本转录机制组分、核基质附着分子或无处不在表达的转录因子的相互作用而增强或抑制。我们讨论了支持这些相互作用相关性的结果,并提出了ATF4, FIAT(因子抑制ATF4介导的转录)和αNAC(新生多肽相关复合体和辅激活因子α)之间功能相互作用的第一个证据,这三种蛋白质之前已经通过各种蛋白质-蛋白质相互作用测定显示出关联。
Osteoblast-specific gene transcription requires interaction between bone cell-specific transcription factors and more widely expressed transcriptional regulators. This is particularly evident for the basic domain-leucine zipper factor Activating Transcription Factor 4 (ATF4), whose activity can be enhanced or inhibited through interaction with other leucine zipper proteins, intermediate filament proteins, components of the basic transcriptional machinery, nuclear matrix attachment molecules, or ubiquitously expressed transcription factors. We discuss the results supporting the relevance of these interactions and present the first evidence of a functional interaction between ATF4, FIAT (Factor Inhibiting ATF4-mediated Transcription) and αNAC (Nascent polypeptide associated complex And Coactivator alpha), three proteins that have been previously shown to associate using various protein-protein interaction assays.
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发表时间: 2001-03-01
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