The binary switch that controls the life and death decisions of ER stressed β cells.

The binary switch that controls the life and death decisions of ER stressed β cells.
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DOI:
10.1016/j.ceb.2010.11.005
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发表时间:
2011-04
影响因子:
7.5
通讯作者:
Urano, Fumihiko
Urano, Fumihiko
中科院分区:
生物学2区
文献类型:
--
作者:
Oslowski, Christine M.;Urano, Fumihiko

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糖尿病是一组以高血糖为定义的常见代谢性疾病。导致高血糖的最重要因素之一是β细胞的功能障碍和死亡。越来越多的实验、临床和遗传学证据表明,内质网 (ER) 应激在 1 型和 2 型糖尿病以及遗传型糖尿病(如 Wolfram 综合征)进展过程中,在 β 细胞功能障碍和死亡中发挥着重要作用。内质网应激介导的 β 细胞功能障碍和死亡的机制复杂且不一致。在这里,我们回顾了最近关于 β 细胞中 ER 应激和未折叠蛋白反应 (UPR) 的作用以及 ER 应激介导 β 细胞功能障碍和死亡的机制的重要发现。完全了解这些机制将带来新的糖尿病治疗方式。
Diabetes mellitus is a group of common metabolic disorders defined by hyperglycemia. One of the most important factors contributing to hyperglycemia is dysfunction and death of β cells. Increasing experimental, clinical, and genetic evidence indicates that endoplasmic reticulum (ER) stress plays an important role in β cell dysfunction and death during the progression of type 1 and type 2 diabetes as well as genetic forms of diabetes such as Wolfram syndrome. The mechanisms of ER stress-mediated β cell dysfunction and death are complex and not homogenous. Here we review the recent key findings on the role of ER stress and the unfolded protein response (UPR) in β cells and the mechanisms of ER stress mediated β cell dysfunction and death. Complete understanding of these mechanisms will lead to novel therapeutic modalities for diabetes.
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