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在依赖吗啡的孕妇大鼠中,母亲的行为受到了干扰,在后代中出现了
Christopher T Searles1, Meghan E Vogt1, Iyanuoluwa Adedokun1
1Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303, USA.
Neuropharmacology
|February 19, 2025
概括
在老鼠中,围产期阿片类药物暴露会扰乱母亲的行为,并导致后代的无情和社会缺陷. 这项研究强调了孕期阿片类药物暴露对神经发育和行为的持久影响.
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:
- 孕期阿片类药物使用障碍影响许多新生儿,导致早期生命创伤和长期发育问题.
- 孕期阿片类药物暴露与儿童社会,行为和情绪障碍的增加有关.
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.
- 为了检查母亲的吗啡管理对母亲的护理和后代行为的影响.
主要方法:
- 雌性大鼠在怀孕前,怀孕期间和怀孕后通过微灌注获得吗啡.
- 对母亲的行为进行了碎片化和不可预测性的评估 (度得分).
- 评估后代的糖分偏好,社会互动和应激反应.
主要成果:
- 暴露于吗啡的母体表现出减少了幼犬导向的行为,增加了哺乳碎片化和更高的值.
- 暴露于吗啡的后代在成年后表现出较低的糖糖偏好和较低的社交互动.
- 在POE后代中观察到非多巴胺基性中环细胞的活性增加;成年男性显示皮质类固醇水平升高.
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,碎片化和不可预测的母亲行为可能会导致这些后代缺陷.
- POE可能会改变奖励通路功能和应激反应,对皮质水平产生性别特异性影响.
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