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转录因子EB依赖的自噬-溶酶体途径:脓毒症中一个新出现的药理学靶点。

TFEB Dependent Autophagy-Lysosomal Pathway: An Emerging Pharmacological Target in Sepsis.

作者信息

Liu Xin, Zheng Xinchuan, Lu Yongling, Chen Qian, Zheng Jiang, Zhou Hong

机构信息

Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China.

Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, China.

出版信息

Front Pharmacol. 2021 Nov 26;12:794298. doi: 10.3389/fphar.2021.794298. eCollection 2021.

Abstract

Sepsis is a life-threatening syndrome induced by aberrant host response towards infection. The autophagy-lysosomal pathway (ALP) plays a fundamental role in maintaining cellular homeostasis and conferring organ protection. However, this pathway is often impaired in sepsis, resulting in dysregulated host response and organ dysfunction. Transcription factor EB (TFEB) is a master modulator of the ALP. TFEB promotes both autophagy and lysosomal biogenesis via transcriptional regulation of target genes bearing the coordinated lysosomal expression and regulation (CLEAR) motif. Recently, increasing evidences have linked TFEB and the TFEB dependent ALP with pathogenetic mechanisms and therapeutic implications in sepsis. Therefore, this review describes the existed knowledge about the mechanisms of TFEB activation in regulating the ALP and the evidences of their protection against sepsis, such as immune modulation and organ protection. In addition, TFEB activators with diversified pharmacological targets are summarized, along with recent advances of their potential therapeutic applications in treating sepsis.

摘要

脓毒症是一种由宿主对感染的异常反应所诱发的危及生命的综合征。自噬-溶酶体途径(ALP)在维持细胞稳态和提供器官保护方面发挥着重要作用。然而,该途径在脓毒症中常受损,导致宿主反应失调和器官功能障碍。转录因子EB(TFEB)是ALP的主要调节因子。TFEB通过对带有协调溶酶体表达和调控(CLEAR)基序的靶基因进行转录调控,促进自噬和溶酶体生物合成。最近,越来越多的证据将TFEB和TFEB依赖的ALP与脓毒症的发病机制及治疗意义联系起来。因此,本综述描述了关于TFEB激活在调节ALP中的机制的现有知识,以及它们对脓毒症的保护证据,如免疫调节和器官保护。此外,总结了具有多种药理学靶点的TFEB激活剂,以及它们在治疗脓毒症方面潜在治疗应用的最新进展。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/84af/8664376/664af790e85f/fphar-12-794298-g001.jpg

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