通过调节PER2甲基化来阻断AKT通路抑制的微质中的NLRP3炎症囊泡,sevoflurane诱导认知功能障碍
1Department of Anesthesiology, The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, China.
塞沃兰麻醉通过改变微质中的DNA甲基化来损害认知功能. 它抑制Period2 (PER2) 表达,激活炎症途径并导致认知缺陷.
科学领域:
- 神经科学是一个神经科学.
- 麻醉学 麻醉学
- 分子生物学分子生物学
背景情况:
- 塞沃弗兰麻醉与认知功能障碍有关.
- 这种功能障碍可能涉及脱氧核糖核酸 (DNA) 甲基化过程.
研究的目的:
- 为了调查sevoflurane诱导的认知功能障碍的机制.
- 探索DNA甲基化和Period2 (PER2) 基因在这个过程中的作用.
主要方法:
- 使用sevoflurane诱导的老鼠模型和微质细胞培养物.
- 采用了莫里斯水迷宫,西部斑,甲基化分析,免疫光和qRT-PCR.
- 研究了PER2过度表达和AKT抑制 (MK2206) 的影响.
主要成果:
- 塞沃兰诱导了认知缺陷,增加了炎症标志物 (NLRP3,IL-18,IL-1β,Iba-1),并通过甲基化减少了PER2表达.
- PER2定位在微质细胞中,并且通过sevoflurane的抑制被证实在体外.
- 过度表达PER2抵消了sevoflurane对炎症和AKT激活的影响,而MK2206逆转了这些发现.
结论:
- 通过调节微质中的PER2甲基化,赛沃兰有助于认知功能障碍.
- 这种调节会影响AKT通路和NLRP3炎症体,导致认知功能受损.
更多相关视频
03:02Application of Dixon's Up-and-Down Design to Estimate the Minimum Alveolar Concentration of Sevoflurane in Rats with Refined Movement Classification
Published on: July 25, 2025
04:56In Vitro Method to Control Concentrations of Halogenated Gases in Cultured Alveolar Epithelial Cells
Published on: October 23, 2018
相关概念视频
Inhalational Anesthetics: Overview
Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
Sedatives and Hypnotics: Overview
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...
Sedatives and Hypnotics Drugs: Barbiturates
Drugs Affecting Neurotransmitter Synthesis
Sedatives and Hypnotics Drugs: Miscellaneous Agents
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
