Regulation of mTORC1 by amino acids.

Regulation of mTORC1 by amino acids.
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DOI:
10.1016/j.tcb.2014.03.003
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发表时间:
2014-07
影响因子:
19
通讯作者:
Sabatini, David M.
Sabatini, David M.
中科院分区:
生物学1区
文献类型:
--
作者:
Bar-Peled, Liron;Sabatini, David M.

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雷帕霉素复合体I(MTORC1)的机制靶点是细胞和组织生长的中央调节因子,该途径的过度激活与许多人类疾病的发病机制有关,包括癌症和糖尿病。MTORC1促进生长,以响应营养的可获得性,如氨基酸,驱动mTORC1到溶酶体表面,它的激活位置。氨基酸水平是如何传递到mTORC1的,直到最近才被发现,这个基于溶酶体的信号系统由RAG GTP酶和Ragator、v-ATPase、GATER和毛囊蛋白复合体组成。对这一途径的深入了解不仅将为我们提供对生长控制的洞察,也将有助于我们了解其放松管制所引发的人类病理。
The mechanistic target of rapamycin complex I (mTORC1) is a central regulator of cellular and organismal growth and hyperactivation of this pathway is implicated in the pathogenesis of many human diseases, including cancer and diabetes. mTORC1 promotes growth in response to the availability of nutrients, such as amino acids, which drive mTORC1 to the lysosomal surface, its site of activation. How amino acid levels are communicated to mTORC1 is only recently coming to light by the discovery of a lysosome-based signaling system composed of the Rag GTPases and Ragulator, v-ATPase, GATOR and Folliculin complexes. An increased understanding of this pathway will not only provide insight into growth control, but also into the human pathologies triggered by its deregulation.
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