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在依赖吗啡的怀孕大鼠中,母亲的行为受到干扰,在他们的后代中,有安赫多尼亚
Christopher T Searles1, Meghan E Vogt1, Iyanuoluwa Adedokun1
1Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303.
bioRxiv : the preprint server for biology
|January 13, 2025
概括
在老鼠中,周产期阿片类药物暴露导致后代的社交互动减少和无情. 这可能与受损的孕产妇护理和改变的大脑奖励通路有关,影响长期的神经发育.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 药理学 药理学是指药理学的学科.
背景情况:
- 阿片类药物使用障碍影响婴儿,导致戒断和早期生命创伤.
- 孕期阿片类药物暴露与儿童的长期社会,行为和情绪障碍有关.
研究的目的:
- 研究围产期阿片类药物暴露 (POE) 对雄性和雌性Sprague Dawley大鼠的无情和与压力相关的行为的影响.
- 检查母亲给予吗啡对母亲行为和后代神经发育的影响.
主要方法:
- 在怀孕前,怀孕期间和怀孕后,通过皮下微灌注给怀孕大鼠注射吗啡.
- 评估母亲的行为 (碎片化,) 和后代的行为 (糖糖偏好,社交互动,应激反应).
- 测量皮质水平和分析后代的大脑区域活动.
主要成果:
- 孕产妇暴露于吗啡导致了碎片化的护理行为和更高的.
- 后代表现出较低的糖偏好和社会互动,与改变的半边缘奖励通路活动.
- 暴露于吗啡的成年男性后代显示皮质水平增加.
结论:
- 围产阶段暴露于吗啡会诱导无情行为和社会缺陷的老鼠后代.
- 在阿片类药物依赖的母亲中,受干扰的孕产妇护理可能会导致这些长期的行为变化.
- 研究结果强调了产前阿片类药物暴露对神经发育和行为的关键影响.
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