Tau protein and adult hippocampal neurogenesis.

Tau protein and adult hippocampal neurogenesis.
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DOI:
10.3389/fnins.2012.00104
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发表时间:
2012
影响因子:
4.3
通讯作者:
Hernández F
Hernández F
中科院分区:
医学2区
文献类型:
--
作者:
Fuster-Matanzo A;Llorens-Martín M;Jurado-Arjona J;Avila J;Hernández F

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Tau蛋白是一种微管相关蛋白,发现于轴突间,在正常生理条件下稳定神经元微管。由于tau代谢在神经退行性疾病(主要是阿尔茨海默病)中的作用,它引起了人们的极大关注。在这里,我们回顾了最近的发现,表明在成年海马神经发生过程中,颗粒下区轴突的生长需要一个动态的微管网络,而tau蛋白有助于维持这种动态的细胞骨架。这些功能部分是通过只有三个微管结合域(没有外显子10)的tau亚型和存在过度磷酸化的tau形式来实现的。因此,tau是研究成人神经发生中新轴突的一个很好的标记物和有价值的工具。
Tau protein is a microtubule-associated protein found in the axonal compartment that stabilizes neuronal microtubules under normal physiological conditions. Tau metabolism has attracted much attention because of its role in neurodegenerative disorders called tauopathies, mainly Alzheimer disease. Here, we review recent findings suggesting that axonal outgrowth in subgranular zone during adult hippocampal neurogenesis requires a dynamic microtubule network and tau protein facilitates to maintain that dynamic cytoskeleton. Those functions are carried out in part by tau isoform with only three microtubule-binding domains (without exon 10) and by presence of hyperphosphorylated tau forms. Thus, tau is a good marker and a valuable tool to study new axons in adult neurogenesis.
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发表时间: 2011-04-15
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