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哺乳动物细胞的神经元和肌肉分化伴随着 PHF10 异构体表达的变化。

Neuronal and Muscle Differentiation of Mammalian Cells Is Accompanied by a Change in PHF10 Isoform Expression.

机构信息

Department of Transcription Factors, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.

Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.

出版信息

Dokl Biochem Biophys. 2024 Feb;514(1):23-27. doi: 10.1134/S1607672923700643. Epub 2024 Jan 8.

DOI:10.1134/S1607672923700643
PMID:38189889
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11021293/
Abstract

The PBAF chromatin remodeling complex of the SWI/SNF family plays a critical role in the regulation of gene expression during tissue differentiation and organism development. The subunits of the PBAF complex have domains responsible for binding to N-terminal histone sequences. It determines the specificity of binding of the complex to chromatin. PHF10, a specific subunit of the PBAF complex, contains a DPF domain, which is a unique chromatin interaction domain. A PHF10 isoform that lacks the DPF domain is also present in vertebrate cells. This work shows that during neuronal and muscle differentiation of human and mouse cells, the expression of PHF10 isoforms changes: the form that does not have DPF replaces the form in which it is present. Replacement of PHF10 isoforms in the PBAF complex may affect its selectivity in the regulation of genes in differentiating cells.

摘要

SWI/SNF 家族的 PBAF 染色质重塑复合物在组织分化和生物体发育过程中基因表达的调控中起着关键作用。PBAF 复合物的亚基具有负责与组蛋白 N 端序列结合的结构域。它决定了复合物与染色质结合的特异性。PHF10 是 PBAF 复合物的一个特异性亚基,含有一个 DPF 结构域,这是一个独特的染色质相互作用结构域。在脊椎动物细胞中也存在缺乏 DPF 结构域的 PHF10 同工型。这项工作表明,在人类和小鼠细胞的神经元和肌肉分化过程中,PHF10 同工型的表达发生变化:没有 DPF 的形式取代了存在的形式。PBAF 复合物中 PHF10 同工型的替换可能会影响其在分化细胞中调节基因的选择性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/a339329ae4b5/10628_2024_7445_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/75718be61faa/10628_2024_7445_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/973ac1d3799a/10628_2024_7445_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/a339329ae4b5/10628_2024_7445_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/75718be61faa/10628_2024_7445_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/973ac1d3799a/10628_2024_7445_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2649/11021293/a339329ae4b5/10628_2024_7445_Fig3_HTML.jpg

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本文引用的文献

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Cell Biochem Biophys. 2023 Jun;81(2):167-187. doi: 10.1007/s12013-023-01140-5. Epub 2023 Apr 29.
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A unique histone 3 lysine 14 chromatin signature underlies tissue-specific gene regulation.一种独特的组蛋白 3 赖氨酸 14 染色质特征为组织特异性基因调控提供基础。
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The DPF Domain As a Unique Structural Unit Participating in Transcriptional Activation, Cell Differentiation, and Malignant Transformation.
DPF结构域作为参与转录激活、细胞分化和恶性转化的独特结构单元。
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Trends Genet. 2020 Dec;36(12):936-950. doi: 10.1016/j.tig.2020.07.011. Epub 2020 Aug 29.
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PBAF lacking PHD domains maintains transcription in human neutrophils.缺乏 PHD 结构域的 PBAF 维持人嗜中性粒细胞中的转录。
Biochim Biophys Acta Mol Cell Res. 2019 Dec;1866(12):118525. doi: 10.1016/j.bbamcr.2019.118525. Epub 2019 Aug 6.
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Chromatin Remodeling BAF (SWI/SNF) Complexes in Neural Development and Disorders.神经发育与疾病中的染色质重塑BAF(SWI/SNF)复合物
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7
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8
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