通过阿里尔碳化合物受体调节的血素诱导的微细胞激活
Meei-Ling Sheu1,2,3, Liang-Yi Pan4, Cheng-Ning Yang5
1Institute of Biomedical Sciences, National Chung-Hsing University, Taichung 40227, Taiwan.
International journal of molecular sciences
|July 29, 2023
概括
热血素通过激活微质来加剧神经退行,这种过程通过删除阿里碳化合物受体 (AhR) 来恶化. 抗激素激活剂可能为脑损伤提供治疗效益.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 生物化学 生物化学
背景情况:
- 氨酸是一种血清蛋白质,与神经退行性疾病有关.
- 基碳化合物受体 (AhR) 在微质体表达,并参与大脑炎症.
- 在神经退行症中,素调节的AhR的确切作用尚未完全理解.
研究的目的:
- 研究AhR在血素诱导的神经退行症中的作用,重点关注微质细胞.
- 探索血栓素对AhR和微质激活的影响背后的分子机制.
- 评估AhR调节在血素诱导的大脑损伤中的治疗潜力.
主要方法:
- 使用初级微细胞培养物 (野生型和AhR删除) 和BV-2细胞系的体外研究.
- 使用海马切片培养物的ex vivo研究.
- 使用野生类型和AhR删除的动物模型进行体内研究.
- 体蛋白对接模拟. 体蛋白对接模拟.
主要成果:
- 在微质中删除AhR放大氧化 (NO) 释放和诱导氧化合成酶 (iNOS) 表达在血栓激发后.
- 下调AhR增加了血管透性,促炎性基因表达,矩阵金属蛋白酶-9 (MMP-9) 活性和M1/M2微细胞表型比率.
- 在体内,AhR缺失加剧了血栓诱导的神经行为缺陷,大脑,微质聚合和神经元死亡.
结论:
- 氨酸激活微质细胞,增加血管透性,炎症,M1表型和MMP活性,导致神经退行.
- 删除AhR加剧了这些有害影响,突出了它的保护作用.
- 调节AhR对于调节血栓诱导的大脑损伤至关重要,这表明AhR激动剂是潜在的治疗方法.
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