Sorting through the roles of beclin 1 in microglia and neurodegeneration.

Sorting through the roles of beclin 1 in microglia and neurodegeneration.
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DOI:
10.1007/s11481-013-9519-8
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发表时间:
2014-06
影响因子:
6.2
通讯作者:
Wyss-Coray, Tony
Wyss-Coray, Tony
中科院分区:
医学3区
文献类型:
--
作者:
O'Brien, Caitlin E.;Wyss-Coray, Tony

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Beclin 1在调节自噬--一种细胞降解途径--中起着公认的作用。尽管在近30年前就发现了Beclin 1的酵母同源蛋白(Atg6/Vps30)也能调节空泡蛋白的分选,但对其在哺乳动物细胞中的各种功能的研究才刚刚开始。我们最近描述了Beclin 1在调节小胶质细胞吞噬细胞受体循环中的作用,这一功能类似于其酵母同源基因。缺乏Beclin 1的小胶质细胞吞噬能力降低,这损害了阿尔茨海默病(AD)小鼠模型中淀粉样蛋白β(Aβ)的清除。在这里,我们总结了这些发现,并讨论了在神经退行性疾病中Beclin 1调节的受体循环的意义。
Beclin 1 has a well-established role in regulating autophagy, a cellular degradation pathway. Although the yeast ortholog of beclin 1 (Atg6/Vps30) was discovered to also regulate vacuolar protein sorting nearly 30 years ago, the varied functions of beclin 1 in mammalian cells are only beginning to be sorted out. We recently described a role for beclin 1 in regulating recycling of phagocytic receptors in microglia, a function analogous to that of its yeast ortholog. Microglia lacking beclin 1 have a reduced phagocytic capacity, which impairs clearance of amyloid β (Aβ) in a mouse model of Alzheimer’s Disease (AD). Here we summarize these findings and discuss the implications for beclin 1-regulated receptor recycling in neurodegenerative disease.
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期刊: PloS one
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