甲基氨酸及其微封装配方的细胞毒性和基因毒性
Alkhansa Mahmoud1,2, Moustafa Sherif1,3, Balázs Ádám1
1Institute of Public Health, College of Medicine and Health Sciences, United Arab Emirates University, United Arab Emirates.
概括
微封装的氨酸配方表现出基因毒性作用,导致HepG2细胞的DNA损伤,与活性成分不同. 需要进一步的研究来确定负责这种基因毒性的特定成分.
科学领域:
- 毒理学 毒理学 毒理学
- 分子生物学分子生物学
- 环境健康 环境健康
背景情况:
- 甲是一种广泛使用的甲类杀虫剂,对公共卫生害虫控制至关重要,特别是对蚊子传播的疾病.
- 人们担心甲暴露对健康的潜在不良影响,包括DNA损伤.
研究的目的:
- 评估氨酸活性成分的细胞毒性和基因毒性潜力,与其微封装配方相比.
- 为了比较两种形式对HepG2人类细胞系的*体外*影响.
主要方法:
- 细胞毒性被评估使用酸染色.
- 基因毒性通过性彗星测试来评估,以检测DNA损伤.
- 肝炎G2细胞暴露于不同度的甲基氨酸活性成分和微封装配方.
主要成果:
- 甲基氨酸活性成分在2300微米时具有细胞毒性.
- 微封装配方在测试度范围内没有显示细胞毒性.
- 在特定度 (100μM和1000μM) 中,微封装配方显著诱导DNA损伤 (尾巴DNA%,尾巴长度,尾巴时刻).
- 活性成分诱导DNA损伤,但它在统计学上没有显著意义.
- 这项研究表明,微封装配方具有基因毒性,但影响可能不仅仅是由于甲.
结论:
- 微封装的氨酸配方表现出*in vitro*的基因毒性.
- 在微封装配方中观察到的基因毒性可能归因于除了甲酸本身之外的成分.
- 需要进一步调查,以阐明在商业产品中对遗传毒性作用负责的特定剂.
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