Endocytosis unplugged: multiple ways to enter the cell.

Endocytosis unplugged: multiple ways to enter the cell.
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内吞作用未插入:多种进入细胞的方法。

DOI:
10.1038/cr.2010.19
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发表时间:
2010-03
期刊:
影响因子:
44.1
通讯作者:
Mayor S
Mayor S
中科院分区:
生物学1区
文献类型:
--
作者:
Kumari S;Mg S;Mayor S

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内吞作用发生在细胞表面,涉及质膜(PM)及其组成膜蛋白和脂类的内化。细胞内吞作用涉及细胞外环境的采样,也起到调节细胞表面启动的各种过程的作用。这些包括营养摄取,细胞表面受体的信号传递,以及后生动物细胞和组织功能所必需的许多其他过程。它也是维持PM脂肪和蛋白质动态平衡的中心。在细胞表面,有多种同时进行的内化方式。随着高分辨率可视化技术的进步,现在可以同时跟踪多个内吞货物,揭示单个细胞内吞过程的显著多样性。活细胞成像和有效的遗传操作的结合也有助于理解分子参与者在这些内化机制中的功能层次。在这里,我们提供了不同的内吞途径,它们的运作机制和发生跨门。
Endocytosis occurs at the cell surface and involves internalization of the plasma membrane (PM) along with its constituent membrane proteins and lipids. Endocytosis is involved in sampling of the extracellular milieu and also serves to regulate various processes initiated at the cell surface. These include nutrient uptake, signaling from cell-surface receptors, and many other processes essential for cell and tissue functioning in metazoans. It is also central to the maintenance of PM lipid and protein homeostasis. There are multiple means of internalization that operate concurrently, at the cell surface. With advancement in high-resolution visualization techniques, it is now possible to track multiple endocytic cargo at the same time, revealing a remarkable diversity of endocytic processes in a single cell. A combination of live cell imaging and efficient genetic manipulations has also aided in understanding the functional hierarchy of molecular players in these mechanisms of internalization. Here we provide an account of various endocytic routes, their mechanisms of operation and occurrence across phyla.
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