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一个基于人口的多代家庭聚合研究严重感染和强迫症
Josep Pol-Fuster1, Lorena Fernández de la Cruz1, Jan C Beucke2
1Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden.
Biological psychiatry
|September 16, 2024
概括
严重的感染可能会增加强迫症 (OCD) 的风险,特别是在基因相关的个体中. 这表明共享的遗传因素可能会将感染和强迫症联系起来,从而影响家族风险模式.
科学领域:
- 遗传学和精神病学 遗传学和精神病学
- 传染病和免疫学 传染病和免疫学
- 流行病学和公共卫生.
背景情况:
- 后感染性自身免疫过程被假设为强迫症障碍 (OCD) 的潜在原因.
- 了解严重感染和强迫症的家族凝聚对于澄清因果途径至关重要.
研究的目的:
- 调查严重感染和强迫症 (OCD) 之间的家族凝聚模式.
- 检查遗传关系对严重感染和强迫症风险之间的关联的影响.
主要方法:
- 一个大规模的瑞典基于人口的队列 (4,916,898个人) 出生于1960年至2008年,一直跟踪到2020年.
- 分析包括一,二,三等亲属和双胞胎,通过国家患者登记册进行联系.
- 考克斯的比例危险回归和后勤回归模型评估了与试验体感染相关的强迫症风险.
主要成果:
- 严重感染个体的亲属表现出强迫症的风险较高.
- 强迫症的风险与遗传关系成比例增加,从单胞胎双胞胎 (HR 1.46) 到表亲 (HR 1.10).
- 在试验者和亲属中发现了感染数量和强迫症概率之间的剂量反应关系.
结论:
- 这项研究强烈表明,共同的遗传因素对严重感染和强迫症之间观察到的关联有显著的贡献.
- 这些发现突出了遗传倾向在强迫症家族聚类中的作用,与感染性暴露有关.
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