共同疾病焦虑和抑郁症的遗传性和多基因负载
Fara Tabrizi1, Jörgen Rosén2, Hampus Grönvall3
1Department of Psychology and Social Work, Mid Sweden University, Ostersund, Sweden. fara.tabrizi@miun.se.
Translational psychiatry
|March 27, 2025
概括
遗传因素显著增加了伴随性焦虑和抑郁症的风险. 对抑郁症状的更高遗传责任强烈预测了结合焦虑和抑郁,比单独的任何一种情况更强烈.
科学领域:
- 精神病学遗传学 精神病学遗传学
- 行为遗传学 行为遗传学
- 双胞胎研究 双胞胎研究
背景情况:
- 焦虑和抑郁的并发症导致健康状况较差.
- 了解并发性焦虑和抑郁症的遗传基础至关重要.
研究的目的:
- 调查是否对共同疾病焦虑和抑郁的遗传责任比单独的焦虑或抑郁更大.
- 评估共同遗传变异在伴随性焦虑和抑郁症中的作用.
主要方法:
- 对12792个基因型双胞胎 (38-85岁) 的分析,包括1986个单胞胎和1594个双胞胎对.
- 使用双胞胎模型进行遗传性估计.
- 对抑郁症状,焦虑和其他特征的多基因分数 (PGS) 的评估.
主要成果:
- 伴随性焦虑和抑郁症的遗传率为79%,相比之下,焦虑症为41%,单独抑郁症为50%.
- 与其他结果相比,抑郁症状PGS预测伴随性焦虑和抑郁症 (aOR=1.53) 的变化更大.
- 患有抑郁症状的PGS分位数最高的个体,患有并发性焦虑和抑郁症的药物治疗几率是5倍以上.
结论:
- 遗传因素解释了伴随性焦虑和抑郁症的变化比单独焦虑或抑郁症的变化要多得多.
- 研究结果表明存在显著的遗传重叠,可能是由抑郁症症状责任感驱动的.
- 需要进一步的研究来证实这些发现,因为数据有限.
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