注意缺陷/多动障碍和严重抑郁障碍:来自多个遗传信息设计的证据
Miguel Garcia-Argibay1, Isabell Brikell2, Anita Thapar3
1School of Medical Sciences, Örebro University, Faculty of Medicine and Health, Örebro, Sweden; Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
注意缺陷/多动障碍 (ADHD) 与患重度抑郁症 (MDD) 的风险增加有因果关系. 这项研究利用遗传和家族数据来证实ADHD是MDD发展的先驱和贡献.
科学领域:
- 精神病学是一个精神病学.
- 遗传学 遗传学 是一个
- 流行病学 流行病学
背景情况:
- 注意缺陷/多动症 (ADHD) 和严重抑郁症 (MDD) 经常同时发生.
- 现有研究表明ADHD和MDD之间存在联系,但因果关系尚不清楚.
- 早期出现的ADHD表明它可能是MDD的前身和贡献.
研究的目的:
- 为了研究ADHD和MDD之间的因果关系.
- 区分导致MDD的ADHD与共享的混因素.
- 为了利用基因信息的方法来进行可靠的因果推断.
主要方法:
- 全国纵向兄弟姐妹比较 (N=1,018,489) 来控制家族混杂.
- 未来同胞对照研究 (N=16,477) 评估对内家族影响.
- 使用大型ADHD (N=225,534) 和MDD (N=500,199) GWAS数据进行双样本孟德尔随机化.
主要成果:
- 兄弟姐妹和双胞胎分析显示,患有多动症的个体有明显增加后续MDD风险 (HR=4.12).
- 父母报告的ADHD得分与15岁和18岁的MDD得分有积极的关联.
- 门德尔的随机化表明,ADHD和MDD的遗传责任之间存在因果关系 (OR=1.15).
结论:
- 在三个不同的基因信息方法中,一致的发现支持因果关系.
- 这项研究加强了ADHD是发展MDD的因果风险因素的假设.
- 这些结果对理解并发性ADHD和MDD的病因有意义.
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