The SIRT2-AMPK axis regulates autophagy induced by acute liver failure

被引：2

作者：

Zhang, Qingqi ^{[1
]}

Guo, Jin ^{[1
]}

Shi, Chunxia ^{[1
]}

Zhang, Danmei ^{[1
]}

Wang, Yukun ^{[1
]}

Wang, Luwen ^{[1
]}

Gong, Zuojiong ^{[1
]}

机构：

[1] Wuhan Univ, Renmin Hosp, Dept Infect Dis, Wuhan 430060, Peoples R China

来源：

SCIENTIFIC REPORTS | 2024年 / 14卷 / 01期

基金：

中国国家自然科学基金;

关键词：

INJURY; PROTECTS; DEACETYLASE; AMPK;

D O I：

10.1038/s41598-024-67102-w

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This study explores the role of SIRT2 in regulating autophagy and its interaction with AMPK in the context of acute liver failure (ALF). This study investigated the effects of SIRT2 and AMPK on autophagy in ALF mice and TAA-induced AML12 cells. The results revealed that the liver tissue in ALF model group had a lot of inflammatory cell infiltration and hepatocytes necrosis, which were reduced by SIRT2 inhibitor AGK2. In comparison to normal group, the level of SIRT2, P62, MDA, TOS in TAA group were significantly increased, which were decreased in AGK2 treatment. Compared with normal group, the expression of P-PRKAA1, Becilin1 and LC3B-II was decreased in TAA group. However, AGK2 enhanced the expression of P-PRKAA1, Becilin1 and LC3B-II in model group. Overexpression of SIRT2 in AML12 cell resulted in decreased P-PRKAA1, Becilin1 and LC3B-II level, enhanced the level of SIRT2, P62, MDA, TOS. Overexpression of PRKAA1 in AML12 cell resulted in decreased SIRT2, TOS and MDA level and triggered more autophagy. In conclusion, the data suggested the link between AMPK and SIRT2, and reveals the important role of AMPK and SIRT2 in autophagy on acute liver failure.

引用

页数：12

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