MARCKS is Necessary for Oligodendrocyte Precursor Cell Maturation

MARCKS is Necessary for Oligodendrocyte Precursor Cell Maturation
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MARCKS 对于少突胶质细胞前体细胞的成熟是必需的

DOI:
10.1007/s11064-017-2324-7
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发表时间:
2017-06
影响因子:
4.4
通讯作者:
Xu Xiao Hui
Xu Xiao Hui
中科院分区:
医学3区
文献类型:
--
作者:
Zhang Zhao huan;Ma Fan fei;Zhang Hui;Xu Xiao Hui

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少突胶质细胞前体细胞(OPC)发育为有髓少突胶质细胞需要强有力的膜添加。由于豆蔻酰化富含丙氨酸的C-激酶底物(MARCKS)据报道有助于Ras相关蛋白(Rab)-10相关囊泡插入神经元膜,我们研究了MARCKS在OPC成熟中的作用。我们发现,无论是敲低MARCKS或中断其与Rab 10的相互作用将导致OPC发育过程中细胞膜面积的减少。Nogo 66或髓磷脂碎片处理增强MARCKS磷酸化抑制OPC成熟,而蛋白磷酸酶2A激活剂D-β-鞘氨醇的去磷酸化在髓磷脂碎片存在下促进OPC发育。我们的研究结果表明,MARCKS是通过与Rab 10相互作用参与OPC成熟。
Oligodendrocyte precursor cell (OPC) development into myelinated oligodendrocytes demands vigorous membrane addition. Since myristoylated alanine-rich C-kinase substrate (MARCKS) reportedly contributes to Ras-associated protein (Rab)-10-associated vesicle insertion into neuronal membranes, we investigated the role of MARCKS in OPC maturation. We found that either knockdown of MARCKS or interruption of its interaction with Rab10 would cause a decrease of the cell membrane area during OPC development. Enhanced MARCKS phosphorylation by Nogo66 or myelin debris treatment inhibited OPC maturation, while its dephosphorylation by protein phosphatase 2 A activator D-erythro-sphingosine promoted OPC development in the presence of myelin debris. Our results demonstrated that MARCKS is involved in OPC maturation by interacting with Rab10.
DOI: 10.1093/brain/awn334
发表时间: 2009-02
期刊: BRAIN
影响因子: 14.5
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DOI: 10.1083/jcb.149.7.1455
发表时间: 2000-06-26
期刊: The Journal of cell biology
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