High glucose and palmitic acid induces neuronal senescence by NRSF/REST elevation and the subsequent mTOR-related autophagy suppression.
High glucose and palmitic acid induces neuronal senescence by NRSF/REST elevation and the subsequent mTOR-related autophagy suppression.
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高葡萄糖和棕榈酸通过 NRSF/REST 升高和随后的 mTOR 相关自噬抑制诱导神经元衰老
DOI:
10.1186/s13041-022-00947-2
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发表时间:
2022-07-18
期刊:
影响因子:
3.6
通讯作者:
中科院分区:
文献类型:
--
作者:
Cell senescence is a basic aging mechanism. Previous studies have found that the cellular senescence in adipose tissue and other tissues, such as the pancreas, muscle and liver, is associated with the pathogenesis and progression of type 2 diabetes; however, strong evidence of whether diabetes directly causes neuronal senescence in the brain is still lacking. In this study, we constructed a high glucose and palmitic acid (HGP) environment on PC12 neuronal cells and primary mouse cortical neurons to simulate diabetes. Our results showed that after HGP exposure, neurons exhibited obvious senescence-like phenotypes, including increased NRSF/REST level, mTOR activation and cell autophagy suppression. Downregulation of NRSF/REST could remarkably alleviate p16, p21 and γH2A.X upregulations induced by HGP treatment, and enhance mTOR-autophagy of neurons. Our results suggested that the diabetic condition could directly induce neuronal senescence, which is mediated by the upregulation of NRSF/REST and subsequent reduction of mTOR-autophagy. The online version contains supplementary material available at 10.1186/s13041-022-00947-2.
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影响因子:
3.7
作者:
Maeda M;Hayashi T;Mizuno N;Hattori Y;Kuzuya M
通讯作者:
Kuzuya M
影响因子:
29
作者:
Ogrodnik, Mikolaj;Zhu, Yi;Jurk, Diana
通讯作者:
Jurk, Diana
影响因子:
3.2
作者:
Deshpande, Anjali D.;Harris-Hayes, Marcie;Schootman, Mario
通讯作者:
Schootman, Mario
影响因子:
7.8
作者:
Rocchi A;Carminati E;De Fusco A;Kowalska JA;Floss T;Benfenati F
通讯作者:
Benfenati F
影响因子:
5.7
作者:
Hwang JY;Zukin RS
通讯作者:
Zukin RS