An ACAP1-containing clathrin coat complex for endocytic recycling.

An ACAP1-containing clathrin coat complex for endocytic recycling.
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DOI:
10.1083/jcb.200608033
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发表时间:
2007-07-30
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Hsu VW
Hsu VW
中科院分区:
其他
文献类型:
--
作者:
Li J;Peters PJ;Bai M;Dai J;Bos E;Kirchhausen T;Kandror KV;Hsu VW

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外壳蛋白是否在内吞再循环中发挥广泛作用仍不清楚。我们发现,ACAP 1,一个GTP酶激活蛋白(GAP)的ADP-核糖基化因子(ARF)6,是一种新的网格蛋白外壳复合物的一部分,由ARF 6调节内吞回收在两个关键的生理设置,刺激依赖性回收的整合素是至关重要的细胞迁移和胰岛素刺激的回收葡萄糖转运蛋白4型(Glut 4),这是葡萄糖稳态所需的。这些发现不仅推进了对内吞再循环的早期机械步骤的基本理解,而且还揭示了这种运输发挥关键作用的主要生理事件的关键机械见解。
Whether coat proteins play a widespread role in endocytic recycling remains unclear. We find that ACAP1, a GTPase-activating protein (GAP) for ADP-ribosylation factor (ARF) 6, is part of a novel clathrin coat complex that is regulated by ARF6 for endocytic recycling in two key physiological settings, stimulation-dependent recycling of integrin that is critical for cell migration and insulin-stimulated recycling of glucose transporter type 4 (Glut4), which is required for glucose homeostasis. These findings not only advance a basic understanding of an early mechanistic step in endocytic recycling but also shed key mechanistic insights into major physiological events for which this transport plays a critical role.
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