PeriTox-M,一种基于细胞的测试,用于对线粒体抑制剂提高敏感度的外周神经毒性
Anna-Katharina Holzer1, Mira Dürr1, Selina Multrus1
1In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, 78457 Konstanz, Germany.
Cells
|December 10, 2025
概括
使用银河糖开关优化PeriTox测定可以提高在外围神经元 (PNs) 中检测线粒体毒素的检测. 这种改进的测定方法 (PeriTox-M) 提高了识别导致外围神经病变的化学物质的灵敏度和特异性.
科学领域:
- 神经科学是一个神经科学.
- 毒理学 毒理学 毒理学
- 细胞生物学 细胞生物学
背景情况:
- 对神经毒性 (NT) 和发育性神经毒性 (DNT) 的基于人类细胞的测试需要改进对线粒体毒素的检测.
- 在PeriTox测试预测使用外围神经元 (PNs) 化学诱导的外围神经病变.
研究的目的:
- 优化PeriTox试验,以提高检测线粒体毒素的灵敏度和特异性.
- 为了研究葡萄糖-银糖代谢切换对神经毒剂PN反应的影响.
主要方法:
- 周围神经元 (PNs) 在葡萄糖 (Glc) 或银河糖 (Gal) 中培养,以诱导代谢转变.
- 测试测量了神经元外生长,ATP水平和氧气消耗.
- 评估了对线粒体呼吸链 (MRC) 抑制剂的敏感性和特异性.
主要成果:
- 银河糖适应诱导了代谢转变,使PNS的氧气消耗增加.
- 适应Gal的神经元对MRC复合物I和III抑制剂的敏感性增加了7500倍.
- 经过修改的PeriTox试验 (PeriTox-M) 改善了细胞毒性和神经元特异性影响之间的区别.
结论:
- 在银河糖 (PeriTox-M) 中运行PeriTox测定显著提高了对线粒体毒素的敏感性和特异性.
- 优化的试验没有显示出一般的缺点,并且可以改善监管应用的体外试验电池.
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