IR@PKUHSC  > 北京大学基础医学院  > 神经生物学系
学科主题基础医学
PLD1 Negatively Regulates Dendritic Branching
Zhu, Yan-Bing1,2; Kang, Kai1,2; Zhang, Ying1,2; Qi, Cai1,2; Li, Gang1,2; Yin, Dong-Min3; Wang, Yun1,2
刊名JOURNAL OF NEUROSCIENCE
2012-06-06
DOI10.1523/JNEUROSCI.5378-11.2012
32期:23页:7960-7969
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Neurosciences
研究领域[WOS]Neurosciences & Neurology
关键词[WOS]PHOSPHATIDYLINOSITOL 4-PHOSPHATE 5-KINASE ; PHOSPHOLIPASE-D ISOFORMS ; PROTEIN-KINASE-C ; ADP-RIBOSYLATION FACTOR ; RHO-ASSOCIATED KINASE ; PHOSPHATIDIC-ACID ; NEURITE OUTGROWTH ; INCREASED EXPRESSION ; HIPPOCAMPAL-NEURONS ; ACTIN CYTOSKELETON
英文摘要

Neurons have characteristic dendritic arborization patterns that contribute to information processing. One essential component of dendritic arborization is the formation of a specific number of branches. Although intracellular pathways promoting dendritic growth and branching are being elucidated, the mechanisms that negatively regulate the branching of dendrites remain enigmatic. In this study, using gain-of-function and loss-of-function studies, we show that phospholipase D1 (PLD1) acts as a negative regulator of dendritic branching in cultured hippocampal neurons from embryonic day 18 rat embryos. Overexpression of wild-type PLD1 (WT-PLD1) decreases the complexity of dendrites, whereas knockdown or inhibition of PLD1 increases dendritic branching. We further demonstrated that PLD1 acts downstream of RhoA, one of the small Rho GTPases, to suppress dendritic branching. The restriction of dendritic branching by constitutively active RhoA (V14-RhoA) can be partially rescued by knockdown of PLD1. Moreover, the inhibition of dendritic branching by V14-RhoA and WT-PLD1 can be partially ameliorated by reducing the level of phosphatidic acid (PA), which is the enzymatic product of PLD1. Together, these results suggest that RhoA-PLD1-PA may represent a novel signaling pathway in the restriction of dendritic branching and may thus provide insight into the mechanisms of dendritic morphogenesis.

语种英语
WOS记录号WOS:000305091800020
项目编号81161120497 ; 30830044 ; 30900582 ; 30925015 ; 7092061 ; 2007CB512100 ; 200800011028 ; 20060001121
资助机构National Natural Science Foundation of China ; Beijing Natural Science Foundation ; National Basic Research 973 Program of China ; Specialized Research Fund for Doctoral Program of Higher Education
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.bjmu.edu.cn/handle/400002259/57035
专题北京大学基础医学院_神经生物学系
作者单位1.Peking Univ, Neurosci Res Inst, Beijing 100191, Peoples R China
2.Peking Univ, Dept Neurobiol, Key Lab Neurosci, Minist Educ & Hlth,Sch Basic Med Sci, Beijing 100191, Peoples R China
3.Georgia Hlth Sci Univ, Inst Mol Med & Genet, Augusta, GA 30912 USA
推荐引用方式
GB/T 7714
Zhu, Yan-Bing,Kang, Kai,Zhang, Ying,et al. PLD1 Negatively Regulates Dendritic Branching[J]. JOURNAL OF NEUROSCIENCE,2012,32(23):7960-7969.
APA Zhu, Yan-Bing.,Kang, Kai.,Zhang, Ying.,Qi, Cai.,Li, Gang.,...&Wang, Yun.(2012).PLD1 Negatively Regulates Dendritic Branching.JOURNAL OF NEUROSCIENCE,32(23),7960-7969.
MLA Zhu, Yan-Bing,et al."PLD1 Negatively Regulates Dendritic Branching".JOURNAL OF NEUROSCIENCE 32.23(2012):7960-7969.
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