氧化压力相关基因中的单核酸多态性与自闭症谱系障碍有关
Giulia Spoto1, Maria Paola Bertuccio1, Giuseppa Visalli1
1Department of Biomedical Sciences, Dental Sciences, and Morpho-Functional Imaging, University Hospital "G. Martino", 98124 Messina, Italy.
这项研究发现,排毒和氧化应激反应基因的遗传变异与自闭症谱系障碍 (ASD) 有关. 自闭症患者的DNA损伤增加和轻度氧化应激增加,这表明氧化途径在这种疾病中发挥了作用.
科学领域:
- 遗传学和分子生物学
- 神经科学是一个神经科学.
- 生物化学 生物化学
背景情况:
- 自闭症谱系障碍 (ASD) 是一种复杂的神经发育状况,其特点是社会沟通缺陷和重复行为.
- 自闭症的病因是多因素的,涉及遗传和环境的影响.
- 氧化应激,反应性氧物种和抗氧化防御之间的不平衡,已与各种神经发育障碍有关.
研究的目的:
- 研究ASD个体对氧化反应的遗传倾向.
- 探索涉及排毒和氧化应激途径的特定基因多态化与ASD之间的关系.
- 评估ASD患者的氧化应激标志物和DNA损伤.
主要方法:
- 从106名ASD患者和90名健康对照者的淋巴细胞中提取了基因组DNA.
- 用实时PCR和电泳进行基因定型,以分析GST删除变异.
- 测量了氧化应激标志物 (dROM,BAP,AOPP) 和DNA损伤 (单细胞凝电泳).
主要成果:
- 与对照人群相比,ASD患者表现出轻度氧化应激状态和淋巴细胞核中的DNA损伤增加.
- 在与排毒和氧化应激反应相关的基因中,在ASD和多态基因之间发现了显著的关联.
- 发现特定的GST删除变体与ASD有关.
结论:
- 影响氧化应激反应和解毒途径的遗传因素对ASD易感性起到作用.
- 氧化应激标志物和DNA损伤在患有自闭症的个体中发生变化.
- 对于管理ASD而言,一种多式模式的方法是必不可少的,这可能包括解决氧化应激问题的策略.
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