检查抑郁症遗传风险与青少年偶发性压力暴露之间的关系
Thomas J Harrison1, Anna R Docherty2, Megan C Finsaas3
1Department of Psychology, Stony Brook University, United States of America.
Journal of affective disorders
|August 17, 2023
概括
年轻人患抑郁症的遗传倾向 (DEP-PRS) 与经历更紧张的生活事件,特别是人际关系事件有关. 这表明特定于情绪障碍的基因环境相关性.
科学领域:
- 精神病学是一个精神病学.
- 遗传学 遗传学 是一个
- 发展心理学 发展心理学
背景情况:
- 患有抑郁症的母亲的后代面临更高的抑郁风险,由于增加了应激暴露.
- 遗传因素,特别是基因与环境相关性 (rGE),可能会影响年轻人的压力暴露.
- 了解遗传风险和压力之间的相互作用对于抑郁症病因至关重要.
研究的目的:
- 调查抑郁症多基因风险评分 (DEP-PRS) 与青少年应激暴露之间的关联.
- 探索抑郁症的遗传责任是否影响青少年经历的压力生活事件的类型和频率.
主要方法:
- 利用来自377名青少年及其家长的纵向社区样本的数据.
- 评估了抑郁症和其他五种疾病的多基因风险评分 (PRS).
- 研究了DEP-PRS和12岁和15岁年轻人暴露于压力之间的关系.
主要成果:
- 年轻人较高的DEP-PRS与增加的依赖性压力有很强的相关性,特别是人际事件.
- 结果是由主要压力因素驱动的,而不是父母抑郁病史所调节的.
- 对I型双相情感障碍的遗传责任也与依赖性压力 (非人际事件) 的增加有关.
结论:
- 抑郁症的多基因风险有助于青少年经历行为依赖的压力生活事件.
- 这种基因与环境的相关性似乎特定于对情绪障碍的遗传倾向.
- 需要进一步的研究来理解这些发现超越欧洲祖先的概括性.
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