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父亲接触甲基酸会导致孙子的行为异常

Ryota Nakano1, Riko Ikeda2, Yoshitaka Yamazaki3

  • 1Department of Physiology, Showa Medical University Graduate School of Pharmacy.

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概括
此摘要是机器生成的。

父亲在ADHD治疗中接触甲基酸 (MPH) 可能会导致后代的焦虑行为. 这表明MPH诱导的生殖细胞表观遗传变化会影响后代.

关键词:
患有多动症行为后裔甲基化物美国父亲接触药物

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科学领域:

  • 神经发育障碍
  • 表观遗传学
  • 一代人的健康

背景情况:

  • 注意缺陷/多动症 (ADHD) 是一种常见的神经发育障碍,用甲基 (MPH) 治疗.
  • 父亲的环境因素会影响后代的健康,可能导致跨代影响.
  • 之前的研究表明,MPH的给药影响了F1代的行为和记忆.

研究的目的:

  • 调查父甲基酸盐 (MPH) 对F2代人的跨代影响.
  • 检查对发育,行为和大脑基因表达的影响.
  • 探索MPH诱导的几代人的表观遗传修饰程度.

主要方法:

  • 给小鼠使用MPH.
  • 评估F2代的发展,包括出生率,生存率,体重和运动发展.
  • 在F2后代的行为分析 (焦虑,学习,记忆).
  • 对女性F2皮层的转录组分析.

主要成果:

  • 暴露于MPH并没有影响出生率或存活率,但降低了F2体重.
  • 观察到运动发育的暂时延迟,在断奶后恢复正常.
  • 在MPH组中,特别是在女性中,观察到类似焦虑的行为减少;学习和记忆保持不变.
  • 转录组分析表明F2雌性后代的神经可塑性通路的激活.

结论:

  • 父亲的MPH暴露可以诱导F2代的行为异常,这表明跨代表观遗传.
  • 观察到的效应,特别是减少焦虑,可能是由生殖细胞的表观遗传变化介导的.
  • 这项研究强调了环境因素,包括药物,可能影响后代的健康.