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在缺血性中风中,Runx1通过介导miR-203-3p/Pde4d轴促进神经元损伤

Yongwen Deng¹, Shengli Sun¹

¹Department of Neurosurgery, Hunan Provincial People's Hospital (The first affiliated hospital of Hunan normal university), Changsha, Hunan, P.R. China.

|July 12, 2024

概括

Runx1通过抑制miR-203-3p而加剧缺血性中风 (IS) 损伤,miR-203-3p通常会抑制Pde4d. 这项研究阐明了IS进展中的Runx1-miR-203-3p-Pde4d路径.

科学领域:

神经科学是一个神经科学.
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

Runx1与缺血性中风 (IS) 的进展有关.
在IS中Runx1的精确分子机制仍然不完全理解.

研究的目的:

阐明Runx1在缺血性中风中的作用和机制.
为了研究涉及Runx1,miR-203-3p和Pde4d在神经元损伤中的调节轴.

主要方法:

在小鼠中使用中脑动脉封闭和再注射 (MCAO/R) 和在HT22细胞中使用氧-葡萄糖剥夺/再氧化 (OGD/R).
评估了心脏病发作量,炎症性细胞因子,细胞活力,细胞亡和氧化应激标志物 (SOD,MDA).
双化酶记者,ChIP和RNA-RNA拉下测试被用于确定分子相互作用.

主要成果:

在IS模型中,Runx1和Pde4d是上调的,miR-203-3p是下调的.
OGD/R 损害了细胞活力,增加了细胞亡,炎症和氧化应激.
通过与其促进体结合,Runx1抑制了miR-203-3p的表达,miR-203-3p抑制了Pde4d.
Runx1的淘汰或miR-203-3p的上调减轻了OGD/R引起的损害,而miR-203-3p的下调则抵消了Runx1的缺陷保护.

结论:

在缺血性中风 (IS) 中,Runx1通过调节miR-203-3p/Pde4d轴来加剧神经元损伤.
针对Runx1-miR-203-3p-Pde4d通路可能为IS提供治疗潜力.

关键词:

缺血性中风是因为缺血性中风.在Pde4dd中使用.在Runx1上使用.在 miR-203-3p 中使用.神经元损伤的原因是什么?

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