基础研究

远端缺血预适应:借 AMPK/ULK1 自噬通路抵御脑缺血再灌注损伤

来源:Experimental neurology · PMID 42962796 · DOI 10.1016/j.expneurol.2026.116101 · 来源:IMA 知识库《文献层·文献监控卡片》2026-11-01 期 · 摘要级(file_id dlMXdlgtPZzo,实际下载核验) · 摘要级,未获取付费墙全文

时间标签:数据日期 2026-11-01 · 生成时间 2026-11-01 05:30(Asia/Shanghai)| 检索窗口 PubMed edat 2026/10/31–2026/11/01 | 情报发生日期 2026-11-01

证据级别:摘要级。本条依据 PubMed 结构化摘要与元数据撰写,付费墙全文未获取、未逐节核验,本站未做任何数值推算补全。

研究问题

Cerebral ischemia-reperfusion (I/R) injury is a major contributor to ischemic cerebral damage and poor functional outcomes following ischemic stroke, and effective neuroprotective strategies remain limited.

方法

Remote ischemic preconditioning (RIPC) has emerged as a promising, noninvasive approach; however, its underlying mechanisms are incompletely understood.

核心结论

Using an oxygen-glucose deprivation/reoxygenation (OGD/R) model in PC12 cells and a middle cerebral artery occlusion (MCAO) model in rats, we demonstrate that I/R impairs autophagic flux, as evidenced by p62 accumulation and reduced LC3-II and Beclin-1…;In vivo, RIPC elevated plasma and cerebral lactate levels, activated AMPK/ULK1 signaling, promoted autophagy, reduced infarct volume, and improved acute neurological outcomes.;These results provide mechanistic insight into RIPC and suggest potential therapeutic targets for ischemic stroke.

局限

(原文未给出可直接抽取的对应表述)

对本项目的价值

干预级证据,可直接进入证据表并校准效应量参照:直接可用的干预证据:决定参照标准效应量与可行性边界。 | 价值分 1.7/5(★★☆☆☆)

全文来源

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原文题录

  • 英文标题:Remote ischemic preconditioning protects against cerebral ischemia/reperfusion injury through lactate-dependent AMPK/ULK1 signaling and autophagy.
  • 期刊与标识:Experimental neurology · PMID 42962796 · DOI 10.1016/j.expneurol.2026.116101

B 级证据分级:B 级(同行评议临床前研究,主要为动物模型)

本文核心结论来自动物模型或体外细胞学,属临床前证据,不能外推至人体。「延长健康寿命」「改善功能」等表述在小鼠中的意义,与人类临床结局之间仍有距离。

关于本文的文献来源:本站依据 IMA 知识库「五刊监控·深度文献卡片」(SOP §4.2 摘要级)撰写,依据期刊公开摘要与 PubMed 元数据;付费墙全文未获取之处已标注「待补全文」,未做任何数值推算补全。