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线粒体热休克蛋白TRAP1在癌症干细胞代谢与调控中的既往、当前及新出现的作用

Past, present, and emerging roles of mitochondrial heat shock protein TRAP1 in the metabolism and regulation of cancer stem cells.

作者信息

Im Chang-Nim

机构信息

Department of Biochemistry, College of Medicine, The Catholic University of Korea, Seoul, 137-701, Korea.

Institute for Aging and Metabolic Diseases, College of Medicine, The Catholic University of Korea, Seoul, 137-701, Korea.

出版信息

Cell Stress Chaperones. 2016 Jul;21(4):553-62. doi: 10.1007/s12192-016-0687-3. Epub 2016 Apr 12.

Abstract

Tumor necrosis factor receptor-associated protein 1 (TRAP1), a member of the HSP90 family, controls a variety of physiological functions, including cell proliferation, differentiation, and survival. Most studies have been devoted to understanding the anti-apoptotic roles of TRAP1 in cancer and targeting it for tumor control in clinical settings. Additionally, we have identified a new role for TRAP1 in regulation of liver regeneration after partial hepatectomy in TRAP1 transgenic mice and cellular proliferation in TRAP1-overexpressing cells, via mitochondrial alterations. Moreover, recent works have indicated a role for TRAP1 in the regulation of cancer stem cells (CSCs) as well as a metabolic switch between mitochondrial respiration and aerobic glycolysis called as "Warburg effect." This review discusses the implications of TRAP1 action for both metabolism and the regulation of CSCs.

摘要

肿瘤坏死因子受体相关蛋白1(TRAP1)是热休克蛋白90(HSP90)家族的成员之一,可控制多种生理功能,包括细胞增殖、分化和存活。大多数研究致力于了解TRAP1在癌症中的抗凋亡作用,并将其作为临床环境中肿瘤控制的靶点。此外,我们已经确定TRAP1在TRAP1转基因小鼠部分肝切除术后肝再生调节以及TRAP1过表达细胞的细胞增殖中,通过线粒体改变发挥新作用。此外,最近的研究表明TRAP1在癌症干细胞(CSC)的调节中发挥作用,以及在称为“瓦伯格效应”的线粒体呼吸与有氧糖酵解之间的代谢转换中发挥作用。本综述讨论了TRAP1作用对代谢和CSC调节的影响。

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