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阿斯特拉加卢斯多糖保护小鼠角膜免受1型糖尿病的影响,并激活AMPK依赖的自细胞

Rui Zhang¹, Zibin Liu¹, Junqing Chen¹

¹Department of Ophthalmology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310007, China.

Experimental eye research

|October 18, 2025

概括

阿斯特拉加卢斯多糖 (APS) 通过减少氧化应激和促进神经生长来保护1型糖尿病 (T1DM) 中的角膜神经. 这种效应通过AMPK依赖的自性通路进行介导,改善T1DM中的角膜功能.

科学领域:

生物化学生物化学
神经科学是一个神经科学.
药理学药理学是指药理学的学科.

背景情况:

1型糖尿病 (T1DM) 可以导致角膜神经病变,损害角膜神经功能.
阿斯特拉加卢斯多糖 (APS) 具有抗氧化和调节葡萄糖的特性.
在T1DM角膜神经病变上APS的特殊保护作用仍未得到充分研究.

研究的目的:

在1型糖尿病 (T1DM) 的小鼠模型中研究阿斯特拉加勒斯多糖 (APS) 对角膜神经功能的保护作用.
阐明潜在的分子机制,特别是AMPK依赖自的作用.

主要方法:

在小鼠中使用链毒素诱导T1DM; APS是通过管进行的.
主要小鼠三腺 (TG) 神经元被用高葡萄糖 (HG) 和APS治疗.
包括氧化应激,活性氧物种 (ROS) 和AMPK依赖的自等关键途径使用免疫光和西式斑点分析.

主要成果:

在T1DM小鼠中,APS治疗显著降低了血糖,甲 (MDA) 和ROS水平.
APS增强了角膜敏感性,神经长度和上皮层伤口愈合.
APS促进了TG神经元的生长,减少了ROS,并调高了p-AMPK,LC3-II和Atg4b,同时降低了p-mTOR,这表明AMPK依赖自的激活.

结论:

阿斯特拉加卢斯多糖 (APS) 显示出对T1DM诱导的角膜神经病变有显著的保护作用.
该机制涉及AMPK依赖的自途径的激活,减轻氧化应激和促进神经健康.
APS作为治疗糖尿病角膜并发症的治疗药物具有潜力.

关键词:

这就是AMPKK.阿斯特拉加勒斯的多糖化物.自自是一种自的过程.角膜神经病变是一种神经病变.第1类糖尿病患者.

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