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微小外显子——微小却强大。

Microexons--tiny but mighty.

机构信息

Laboratory of Molecular Neuro-Oncology and Howard Hughes Medical Institute The Rockefeller University, New York, NY, USA.

Laboratory of Molecular Neuro-Oncology and Howard Hughes Medical Institute The Rockefeller University, New York, NY, USA New York Genome Center, New York, NY, USA.

出版信息

EMBO J. 2015 Feb 3;34(3):273-4. doi: 10.15252/embj.201490651. Epub 2014 Dec 22.

DOI:10.15252/embj.201490651
PMID:25535247
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4339116/
Abstract

The landscape of alternative splicing is only beginning to unravel, and the functional consequences are often unclear. Two articles in and focus on a set of largely ignored yet highly conserved exons, microexons. These appear strongly regulated by RNA-binding proteins (RBPs) and functionally modulate protein–protein interactions with strong evidence for deregulation in autism spectrum disorder.

摘要

外显子剪接的格局才刚刚开始被揭示,其功能后果往往还不清楚。本期的两篇文章聚焦于一组很大程度上被忽视但却高度保守的外显子,即 microexon。microexon 似乎受到 RNA 结合蛋白 (RBP) 的强烈调控,并且能够调节蛋白质-蛋白质相互作用,在自闭症谱系障碍中存在明显失调的证据。

相似文献

1
Microexons--tiny but mighty.微小外显子——微小却强大。
EMBO J. 2015 Feb 3;34(3):273-4. doi: 10.15252/embj.201490651. Epub 2014 Dec 22.
2
A highly conserved program of neuronal microexons is misregulated in autistic brains.在自闭症大脑中,一个高度保守的神经元微小外显子程序受到了失调调控。
Cell. 2014 Dec 18;159(7):1511-23. doi: 10.1016/j.cell.2014.11.035.
3
Misregulation of an Activity-Dependent Splicing Network as a Common Mechanism Underlying Autism Spectrum Disorders.活动依赖性剪接网络失调作为自闭症谱系障碍的共同机制。
Mol Cell. 2016 Dec 15;64(6):1023-1034. doi: 10.1016/j.molcel.2016.11.033.
4
Alternative splicing takes shape during neuronal development.可变剪接在神经元发育过程中形成。
Curr Opin Genet Dev. 2011 Aug;21(4):388-94. doi: 10.1016/j.gde.2011.03.005. Epub 2011 Apr 19.
5
FOXG1-Dependent Dysregulation of GABA/Glutamate Neuron Differentiation in Autism Spectrum Disorders.自闭症谱系障碍中FOXG1依赖的GABA/谷氨酸能神经元分化失调
Cell. 2015 Jul 16;162(2):375-390. doi: 10.1016/j.cell.2015.06.034.
6
The neurogenetics of alternative splicing.可变剪接的神经遗传学
Nat Rev Neurosci. 2016 May;17(5):265-81. doi: 10.1038/nrn.2016.27.
7
Neuronal proteins custom designed by alternative splicing.通过可变剪接定制设计的神经元蛋白。
Curr Opin Neurobiol. 2005 Jun;15(3):358-63. doi: 10.1016/j.conb.2005.04.002.
8
Essential roles for the splicing regulator nSR100/SRRM4 during nervous system development.剪接调节因子nSR100/SRRM4在神经系统发育过程中的重要作用。
Genes Dev. 2015 Apr 1;29(7):746-59. doi: 10.1101/gad.256115.114.
9
Sex and the single splice.性别与单一剪接
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10
Class I histone deacetylase inhibition ameliorates social cognition and cell adhesion molecule plasticity deficits in a rodent model of autism spectrum disorder.I 类组蛋白去乙酰化酶抑制可改善自闭症谱系障碍啮齿动物模型的社会认知和细胞黏附分子可塑性缺陷。
Neuropharmacology. 2012 Sep;63(4):750-60. doi: 10.1016/j.neuropharm.2012.05.042. Epub 2012 Jun 6.

引用本文的文献

1
Alternative splicing of the Snap23 microexon is regulated by MBNL, QKI, and RBFOX2 in a tissue-specific manner and is altered in striated muscle diseases.Snap23微小外显子的可变剪接由MBNL、QKI和RBFOX2以组织特异性方式调控,并在横纹肌疾病中发生改变。
RNA Biol. 2025 Dec;22(1):1-20. doi: 10.1080/15476286.2025.2491160. Epub 2025 May 6.
2
Specification of neural circuit architecture shaped by context-dependent patterned LAR-RPTP microexons.上下文依赖模式化 LAR-RPTP 微外显子塑造的神经回路结构的特异性。
Nat Commun. 2024 Feb 22;15(1):1624. doi: 10.1038/s41467-024-45695-0.
3
Spliceosomal component PRP-40 is a central regulator of microexon splicing.剪接体成分 PRP-40 是 microexon 剪接的核心调节剂。
Cell Rep. 2021 Aug 3;36(5):109464. doi: 10.1016/j.celrep.2021.109464.
4
Comprehensive Identification and Alternative Splicing of Microexons in .……中微小外显子的综合鉴定与可变剪接
Front Genet. 2021 Mar 30;12:642602. doi: 10.3389/fgene.2021.642602. eCollection 2021.
5
Canonical versus non-canonical transsynaptic signaling of neuroligin 3 tunes development of sociality in mice.神经黏连蛋白 3 的经典型与非经典型突触传递信号调控小鼠的社会性发展。
Nat Commun. 2021 Mar 23;12(1):1848. doi: 10.1038/s41467-021-22059-6.
6
An alternative splicing hypothesis for neuropathology of schizophrenia: evidence from studies on historical candidate genes and multi-omics data.精神分裂症神经病理学的选择性剪接假说:来自历史候选基因和多组学数据研究的证据。
Mol Psychiatry. 2022 Jan;27(1):95-112. doi: 10.1038/s41380-021-01037-w. Epub 2021 Mar 8.
7
Global regulatory features of alternative splicing across tissues and within the nervous system of .不同组织和神经系统中剪接的全球调控特征。
Genome Res. 2020 Dec;30(12):1766-1780. doi: 10.1101/gr.267328.120. Epub 2020 Oct 30.
8
The Genetic Control of Stoichiometry Underlying Autism.自闭症的遗传控制与化学计量学基础。
Annu Rev Neurosci. 2020 Jul 8;43:509-533. doi: 10.1146/annurev-neuro-100119-024851.
9
Alternative splicing of LSD1+8a in neuroendocrine prostate cancer is mediated by SRRM4.神经内分泌前列腺癌中 LSD1+8a 的可变剪接由 SRRM4 介导。
Neoplasia. 2020 Jun;22(6):253-262. doi: 10.1016/j.neo.2020.04.002. Epub 2020 May 11.
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Genome sequence variation in the constricta strain dramatically alters the protein interaction and localization map of Potato yellow dwarf virus.constricta株系中的基因组序列变异极大地改变了马铃薯黄矮病毒的蛋白质相互作用和定位图谱。
J Gen Virol. 2017 Jun;98(6):1526-1536. doi: 10.1099/jgv.0.000771. Epub 2017 Jun 21.

本文引用的文献

1
A highly conserved program of neuronal microexons is misregulated in autistic brains.在自闭症大脑中,一个高度保守的神经元微小外显子程序受到了失调调控。
Cell. 2014 Dec 18;159(7):1511-23. doi: 10.1016/j.cell.2014.11.035.
2
RBFOX and PTBP1 proteins regulate the alternative splicing of micro-exons in human brain transcripts.RBFOX和PTBP1蛋白调节人类大脑转录本中微小外显子的可变剪接。
Genome Res. 2015 Jan;25(1):1-13. doi: 10.1101/gr.181990.114.
3
A global regulatory mechanism for activating an exon network required for neurogenesis.一个用于激活神经发生所需外显子网络的全球调控机制。
Mol Cell. 2014 Oct 2;56(1):90-103. doi: 10.1016/j.molcel.2014.08.011. Epub 2014 Sep 11.
4
HITS-CLIP and integrative modeling define the Rbfox splicing-regulatory network linked to brain development and autism.HITS-CLIP技术与整合模型确定了与大脑发育和自闭症相关的Rbfox剪接调控网络。
Cell Rep. 2014 Mar 27;6(6):1139-1152. doi: 10.1016/j.celrep.2014.02.005. Epub 2014 Mar 6.
5
De novo prediction of PTBP1 binding and splicing targets reveals unexpected features of its RNA recognition and function.PTBP1结合与剪接靶点的从头预测揭示了其RNA识别和功能的意外特征。
PLoS Comput Biol. 2014 Jan 30;10(1):e1003442. doi: 10.1371/journal.pcbi.1003442. eCollection 2014 Jan.
6
Identification and characterization of a neuron-specific isoform of protrudin.鉴定和描述一种突起蛋白的神经元特异性同工型。
Genes Cells. 2014 Feb;19(2):97-111. doi: 10.1111/gtc.12109. Epub 2013 Nov 20.
7
RNA protein interaction in neurons.神经元中的 RNA 蛋白相互作用。
Annu Rev Neurosci. 2013 Jul 8;36:243-70. doi: 10.1146/annurev-neuro-062912-114322. Epub 2013 May 20.
8
Tissue-specific alternative splicing remodels protein-protein interaction networks.组织特异性可变剪接重塑蛋白质-蛋白质相互作用网络。
Mol Cell. 2012 Jun 29;46(6):884-92. doi: 10.1016/j.molcel.2012.05.037.
9
Alternative splicing: decoding an expansive regulatory layer.选择性剪接:解码扩展性调控层。
Curr Opin Cell Biol. 2012 Jun;24(3):323-32. doi: 10.1016/j.ceb.2012.03.005. Epub 2012 Mar 30.
10
Microexon-based regulation of ITSN1 and Src SH3 domains specificity relies on introduction of charged amino acids into the interaction interface.基于微外显子的 ITSN1 和 Src SH3 结构域特异性调节依赖于将带电荷的氨基酸引入相互作用界面。
Biochem Biophys Res Commun. 2010 Aug 20;399(2):307-12. doi: 10.1016/j.bbrc.2010.07.080. Epub 2010 Jul 24.