孤独,遗传易感性,大脑结构和精神分裂症风险:一项大型前性研究
1The School of Public Health and Preventive Medicine, Monash University, Clayton VIC, Australia.
Schizophrenia bulletin
|October 16, 2025
概括
孤独独立地增加了精神分裂症的风险,并与大脑结构的变化有关,特别是在那些具有高遗传倾向的人中. 解决孤独问题可能有助于预防精神分裂症的发展和大脑变化.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 遗传学 是一个遗传学.
背景情况:
- 孤独与包括精神病在内的不良心理健康结果有关.
- 孤独在精神分裂症 (SZ) 发展中的独立作用需要进一步研究.
- 遗传倾向可能会调节孤独和SZ风险之间的关系.
研究的目的:
- 调查孤独是否会独立增加发生精神分裂症的风险.
- 为了检查孤独和结构性大脑变化之间的联系.
- 探索遗传倾向在这些关联中的作用.
主要方法:
- 对491,613名英国生物库参与者进行前性队列研究,没有基线SZ.
- 收集了SZ的孤独,人口统计,生活方式和多基因风险评分 (PRS).
- 追踪了SZ病例事件,神经成像分析检查了灰质体积与孤独感和遗传风险的关联.
主要成果:
- 孤独显著增加了SZ风险 (调整后HR=1.84).
- 孤独与情绪调节和社会认知区域广泛的灰质体积减少有关.
- 这些大脑变化在SZ-PRS较高的个体中更加明显.
结论:
- 孤独是增加SZ风险的独立预测因素.
- 孤独与大脑体积的广泛变化有关,特别是在基因脆弱的个体中.
- 针对孤独的干预措施可以减轻SZ的发展和相关的大脑结构变化.
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