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alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons | |
2018-09 | |
发表期刊 | CEREBRAL CORTEX (IF:2.9[JCR-2023],3.7[5-Year]) |
ISSN | 1047-3211 |
卷号 | 28期号:9页码:3332-3346 |
发表状态 | 已发表 |
DOI | 10.1093/cercor/bhx225 |
摘要 | Axon growth is tightly controlled to establish functional neural circuits during brain development. Despite the belief that cytoskeletal dynamics is critical for cell morphology, how microtubule acetylation regulates axon development in the mammalian central nervous system remains unclear. Here, we report that loss of a-tubulin acetylation by ablation of MEC-17 in mice predisposes neurons to axon overbranching and overgrowth. Introduction of MEC-17(F183A) lacking alpha-tubulin acetyltransferase activity into MEC-17-deficient neurons failed to rescue axon defects. Moreover, loss of alpha-tubulin acetylation led to increases in microtubule debundling, microtubule invasion into filopodia and growth cones, and microtubule plus-end dynamics along the axon. Taxol application dampened microtubule hyperdynamics and suppressed axon overbranching and overgrowth in MEC-17-deficient neurons. Thus, our study reveals that alpha-tubulin acetylation acts as a brake for axon overbranching and overgrowth by dampening microtubule dynamics, providing insight into the role of microtubule post-translational modifications in regulating neural development. |
关键词 | axon branching MEC-17 microtubule dynamics alpha-tubulin acetylation |
收录类别 | SCI ; SCIE |
语种 | 英语 |
资助项目 | Strategic Priority Research Program of the Chinese Academy of Sciences[XDB19000000] |
WOS研究方向 | Neurosciences & Neurology |
WOS类目 | Neurosciences |
WOS记录号 | WOS:000443545600021 |
出版者 | OXFORD UNIV PRESS INC |
WOS关键词 | MOLECULAR-BASIS ; ACETYLTRANSFERASE ; MEC-17 ; MECHANISMS ; INSTABILITY ; DEFICIENCY ; ELONGATION ; RESISTANCE ; MIGRATION ; TRANSPORT |
原始文献类型 | Article |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/27695 |
专题 | 生命科学与技术学院 生命科学与技术学院_特聘教授组_鲍岚组 生命科学与技术学院_特聘教授组_张旭组 生命科学与技术学院_硕士生 生命科学与技术学院_博士生 |
通讯作者 | Bao, Lan |
作者单位 | 1.Chinese Acad Sci, CAS Ctr Excellence Mol Cell Sci, Shanghai Inst Biol Sci,Univ Chinese Acad Sci, State Key Lab Cell Biol,Inst Biochem & Cell Biol, Shanghai 200031, Peoples R China 2.Chinese Acad Sci, Inst Neurosci, Shanghai 200031, Peoples R China 3.Chinese Acad Sci, State Key Lab Neurosci, CAS Ctr Excellence Brain Sci, Shanghai Inst Biol Sci, Shanghai 200031, Peoples R China 4.ShanghaiTech Univ, Sch Life Sci & Technol, Shanghai 201210, Peoples R China |
通讯作者单位 | 生命科学与技术学院 |
推荐引用方式 GB/T 7714 | Wei, Dan,Gao, Nannan,Li, Lei,et al. alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons[J]. CEREBRAL CORTEX,2018,28(9):3332-3346. |
APA | Wei, Dan.,Gao, Nannan.,Li, Lei.,Zhu, Jing-Xiang.,Diao, Lei.,...&Bao, Lan.(2018).alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons.CEREBRAL CORTEX,28(9),3332-3346. |
MLA | Wei, Dan,et al."alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons".CEREBRAL CORTEX 28.9(2018):3332-3346. |
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