The Beclin 1-VPS34 complex--at the crossroads of autophagy and beyond.

The Beclin 1-VPS34 complex--at the crossroads of autophagy and beyond.
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DOI:
10.1016/j.tcb.2010.03.002
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发表时间:
2010-06
影响因子:
19
通讯作者:
Yue Z
Yue Z
中科院分区:
生物学1区
文献类型:
--
作者:
Funderburk SF;Wang QJ;Yue Z

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越来越多的关于自噬的研究为它与各种生物功能和人类疾病的联系提供了压倒性的证据。Beclin 1是第一个被描述的哺乳动物自噬蛋白,似乎是自噬、内体和细胞死亡途径之间的联系点。Beclin 1作为核心复合物的一部分发挥这些作用,该核心复合物含有液泡分选蛋白34(VPS 34),一种III类磷脂酰肌醇-3激酶。Beclin 1介导的这些细胞功能调节的确切机制尚不清楚,但最近在鉴定Beclin 1-VSP 34复合物中的新参与者及其功能方面取得了实质性进展。在这里,我们回顾了新兴的研究,这些研究开始揭示Beclin 1-VPS 34通过形成不同的Beclin 1-VPS 34蛋白复合物在自噬活动和其他细胞运输事件的中央控制中的生理功能。
An increasing body of research on autophagy provides overwhelming evidence for its connection to various biological functions and human diseases. Beclin 1 is the first described mammalian autophagy protein and appears to act as a nexus point between autophagy, endosomal, and perhaps also cell death pathways. Beclin 1 performs these roles as part of a core complex that contains vacuolar sorting protein 34 (VPS34), a class III phosphatidylinositol-3 kinase. The precise mechanism of Beclin 1-mediated regulation of these cellular functions is unclear, but substantial progress has recently been made in identifying new players and their functions in Beclin 1-VSP34 complexes. Here, we review emerging studies, which are beginning to unveil physiological functions for Beclin 1-VPS34 in the central control of autophagic activity and other cellular trafficking events through the formation of distinct Beclin 1-VPS34 protein complexes.
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