热循环-高温减轻通过热激活机制在SH-SY5Y细胞中色素诱导的细胞损伤
Yu-Yi Kuo1,2, Guan-Bo Lin1,2, You-Ming Chen1,2
1Department of Physics, Laboratory for Medical Physics & Biomedical Engineering, National Taiwan University, Taipei 106319, Taiwan.
International journal of molecular sciences
|July 29, 2025
概括
热循环-高温症 (TC-HT) 在帕金森病 (PD) 治疗中显示出前景. 这种方法在体外PD模型中减少了细胞损伤,蛋白质聚合和氧化应激.
科学领域:
- 神经科学是一个神经科学.
- 细胞生物学 细胞生物学
- 生物医学工程 生物医学工程
背景情况:
- 帕金森病 (PD) 是一种流行的神经退行性疾病,其特征是多巴胺能神经元损失.
- 目前的PD疗法提供症状缓解,但不能阻止疾病的进展,并面临诸如副作用和血脑屏障等挑战.
- 皮尔斯顿病的关键病理特征包括线粒体功能障碍,活性氧物种 (ROS) 积累,以及α-syn和phosphorylated-tau (p-tau) 的聚合.
研究的目的:
- 为了研究间歇性加热的神经保护潜力,特别是热循环-高温症 (TC-HT),在体外检测中对罗 (ROT) 诱导的帕金森病进行治疗.
- 在人类神经细胞PD模型中阐明TC-HT作用的分子机制.
主要方法:
- 建立一个体外帕金森病模型,使用人类神经SH-SY5Y细胞治疗与rotenone (ROT).
- 将热循环-高温 (TC-HT) 作为预处理方法应用于ROT诱导的PD模型.
- 评估细胞亡,ROS水平,以及包括α-syn,p-tau,SIRT1,Hsp70,Akt和GSK-3β在内的关键蛋白质的表达/酸化.
主要成果:
- TC-HT预处理显著降低了ROT诱导的线粒体亡和SH-SY5Y细胞中的ROS积累.
- TC-HT抑制了α-syn和p-tau的表达,这些是参与PD病理学的关键蛋白质.
- TC-HT的神经保护作用与激活涉及SIRT1和HSP70的热激活通路,以及参与抑制p-tau形成的Akt和GSK-3β的酸化有关.
结论:
- 间歇性热循环高温症 (TC-HT) 在帕金森病的体外模型中显示出显著的神经保护作用.
- 通过特定的分子途径,TC-HT可减轻PD的关键病理特征,包括细胞亡,氧化应激和蛋白质聚合.
- 这些发现支持TC-HT作为PD的潜在治疗策略,需要在体内模型中进一步调查,可能利用聚焦超声波传递热量.
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