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Unravelling a new mechanism linking actin polymerization and gene transcription

机译:揭示连接肌动蛋白聚合和基因转录的新机制

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In the recent years, the role of actin and actin-binding proteins in gene transcription has received considerable attention. Nuclear monomeric and polymerized actin and several actin binding proteins have been detected in the mammalian cell nucleus, although their roles in transcription are just beginning to emerge. Our group recently reported that the actin-binding protein Filamin A interacts with the transcriptional coactivator MKL1 to link actin polymerization with transcriptional activity of Serum Response Factor. Here we summarize the regulation and function of MKL1, and highlight this novel mechanism of MKL1 regulation through binding to Filamin A and its implications for cell migration.
机译:近年来,肌动蛋白和肌动蛋白结合蛋白在基因转录中的作用备受关注。尽管它们在转录中的作用才刚刚开始,但在哺乳动物细胞核中已检测到了核单体和聚合的肌动蛋白以及几种肌动蛋白结合蛋白。我们的小组最近报道,肌动蛋白结合蛋白Filamin A与转录共激活因子MKL1相互作用,将肌动蛋白聚合与血清反应因子的转录活性联系起来。在这里,我们总结了MKL1的调控和功能,并着重指出了通过结合Filamin A来调控MKL1的这一新机制及其对细胞迁移的影响。

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