没有证据表明负面情绪和青光眼之间存在因果关系:从遗传相关性,孟德尔随机化和同居化三角化证据
Jia Qi1, Zhijian Zha2, Lan Ke1
1Department of Ophthalmology, Hubei University of Medicine, Shiyan, Hubei, China.
BMJ open ophthalmology
|October 28, 2025
概括
这项研究发现,常见的负面情绪,包括焦虑和抑郁,以及青光眼之间没有遗传联系或因果关系. 虽然抑郁症显示出潜在的遗传关联,但它与眼风险没有因果关系.
科学领域:
- 遗传学 是一个遗传学.
- 眼科医生 眼科 眼科
- 精神病学是一个精神病学.
背景情况:
- 观察性研究表明,焦虑,抑郁和玻璃眼之间存在关联,但混因素掩盖了真正的关系.
- 常见的负面情绪,与临床诊断不同,很普遍,但它们与青光眼的关联仍然不清楚.
- 了解心理状态和眼睛疾病之间的潜在联系的遗传基础对于公共卫生至关重要.
研究的目的:
- 调查常见的负面情绪和青光眼之间的遗传关联和潜在的因果关系.
- 使用先进的遗传分析方法,区分遗传相关性和因果关系.
- 澄清遗传因素在负面情绪状态和玻璃眼共患病中的作用.
主要方法:
- 使用全基因组链接不平衡得分回归 (LDSC) 进行遗传相关性分析.
- 采用孟德尔的随机化 (MR) 来评估潜在的因果关系.
- 应用贝叶斯定位来识别负面情绪和青光眼之间的共同遗传机制,使用来自英国生物银行和FinnGen R10的数据.
主要成果:
- 在大多数负面情绪和青光眼之间没有发现显著的遗传相关性或因果关系.
- 抑郁症与青光眼有遗传联系,但孟德尔的随机化不支持因果关系.
- 贝叶斯的局部化分析显示,对被调查的负面情绪和青光眼没有共享的遗传机制.
结论:
- 常见的负面情绪,包括抑郁和焦虑,不太可能与玻璃眼有关.
- 这些负面情绪和青光眼之间没有显著的遗传相关性.
- 这些发现表明,在以前的研究中观察到的关联可能是由于混因素而不是共同的遗传病因.
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