使用可可豆外提取物准蛋白质聚合,以减少帕金森病模型中的α-synuclein毒性
Farida Tripodi1,2, Alessia Lambiase1,2, Hind Moukham1
1Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milano, Italy.
Current research in food science
|November 11, 2024
概括
可可豆提取物 (CBSE) 通过抑制α-synuclein聚合,显示出对神经退行性疾病的保护作用. 这种天然提取物改善了细胞寿命,并减少了有毒的蛋白质块,提供了作为营养药物干预的潜力.
科学领域:
- 神经科学是一个神经科学.
- 生物化学 生物化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 神经退行性疾病,包括帕金森病 (PD),是一个日益严重的全球健康问题,由人口老龄化加剧.
- 帕金森病的特点是α-syn蛋白质的聚合.
- 可可豆是加工可可的副产品,含有各种生物活性化合物.
研究的目的:
- 在帕金森病模型中研究可可豆提取物 (CBSE) 对α-syn聚合的保护潜力.
- 确定CBSE中关键化合物,这些化合物对其观察到的效应负责.
- 探索CBSE抗聚合特性背后的分子机制.
主要方法:
- 使用酵母和神经母细胞瘤细胞模型过度表达α-syn.
- 雇佣液体染色学-电子喷雾电离-四极飞行时间质谱学 (LC-ESI-qTOF-MS) 和核磁共振 (NMR) 用于CBSE的化学分析.
- 评估了细胞寿命,活性氧物种 (ROS) 水平,自活化,侵略性形成,AMPK激酶活性和α-syn寡合体减少.
- 进行表面等离子体共振 (SPR) 测定,以确定CBSE与α-syn.直接结合的测定.
主要成果:
- 在CBSE中,LC-ESI-qTOF-MS和NMR确定了氨基酸,有机酸,乳酸,甘油,咖啡因和二氧化.
- 补充CBSE显著提高了表达α-syn的酵母细胞寿命,降低了ROS,激活了自,并减少了侵略细胞.
- 在神经母细胞瘤细胞中,CBSE激活AMPK激酶并显著减少有毒α-syn寡合体.
- SPR试验表明,CBSE与α-syn的结合取决于度,这表明它在粉样蛋白聚合中起着抑制作用.
结论:
- 可可豆外提取物 (CBSE) 具有显著的抗α-syn聚合特性.
- 在帕金森病的细胞模型中,CBSE通过减少有毒α-syn寡合体和增强细胞防御机制,证明了保护作用.
- 作为一种营养药物,CBSE代表了与α-syn聚合相关的神经退行性疾病的有前途的预防策略.
关键词:
可可可可可可可可可可可可可可可可可可可可可可可可可可可可可可食品废弃物的价值化食品废弃物的价值化人类的α-synuclein是人类的α-synuclein.帕金森病 (PD) 是一种疾病.这种植物是Saccharomyces cerevisiae.更多相关视频
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