遗传和早期生活因素影响时间到多发性硬化症诊断:英国生物银行研究
Andrea Nova1, Giovanni Di Caprio1, Luisa Bernardinelli1
1Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.
概括
这项研究表明,患多发性硬化症 (MS) 的风险因性别和遗传倾向而随年龄而变化. 一个时间到事件的分析强调了纵向数据对于理解这些年龄相关的风险因素的重要性.
科学领域:
- 流行病学 流行病学
- 遗传学 遗传学 是一个
- 神经学 神经学
背景情况:
- 对多发性硬化症 (MS) 风险因素的回顾性研究存在局限性,无法考虑不同的随访时间,并假定终身持续存在的风险.
- 这种方法可能会导致低估某些风险因素的影响,特别是在不同的生命阶段.
研究的目的:
- 评估遗传和早期生活因素对MS诊断的影响,使用前性队列中的时间到事件分析.
- 评估年龄相关风险影响对MS发展的影响.
主要方法:
- 利用了从出生到2022年12月的英国生物库数据.
- 采用多发性硬化症多基因风险评分 (MS-PRS) 并分析了早期生活因素,烟草吸烟和传染性单核病作为时间变化的变量.
- 应用了考克斯的比例危险模型来检查与MS诊断的瞬间风险关联.
主要成果:
- 分析了345,027名参与者,其中1669人被诊断为MS.
- 对性别和较高的MS-PRS确定了年龄相关的影响,在年轻人中观察到危险比率增加.
- 证明女性和具有更高遗传风险的个人在年轻时经历了更大的MS风险.
结论:
- 回顾性研究设计可能低估了性别和遗传变异在年轻时的MS风险中的作用.
- 使用纵向数据的时间到事件方法对于准确地描述MS中年龄相关风险影响至关重要.
- 强调了MS风险因素在整个生命周期中的动态性质.
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