Endocytosis and control of Notch signaling.

Endocytosis and control of Notch signaling.
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DOI:
10.1016/j.ceb.2012.06.006
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发表时间:
2012-08
影响因子:
7.5
通讯作者:
Roegiers, Fabrice
Roegiers, Fabrice
中科院分区:
生物学2区
文献类型:
--
作者:
Kandachar, Vasundhara;Roegiers, Fabrice

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Notch信号通路在后生动物的发育过程中控制着模式和细胞命运的决定,并与人类疾病有关,如常染色体显性遗传性脑动脉病伴皮质下梗塞和白质脑病(CADASIL)和某些癌症。过去几年的研究揭示了膜结合的Notch受体及其配体通过囊泡运输的复杂调控。这在果蝇的神经前体细胞中可能是最明显的,它们不对称分裂,将Numb分离到一个子细胞,Numb是一种内吞适配蛋白,充当Notch途径抑制物。在这里,我们讨论了关于受体和配体如何运输到特定的膜室控制Notch通路在不对称分裂的细胞和其他组织中的激活的最新发现。
The Notch signaling pathway controls patterning and cell fate decisions during development in metazoans, and is associated with human diseases such as cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and certain cancers. Studies over the last several years have revealed sophisticated regulation of both the membrane-bound Notch receptor and its ligands by vesicle trafficking. This is perhaps most evident in neural progenitor cells in Drosophila, which divide asymmetrically to segregate Numb, an endocytic adaptor protein that acts as a Notch pathway inhibitor, to one daughter cell. Here, we discuss recent findings addressing how receptor and ligand trafficking to specific membrane compartments control activation of the Notch pathway in asymmetrically dividing cells and other tissues.
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