对年龄特定的生物机制的遗传洞察力,这些生物机制控制着人类的卵巢衰老
Sven E Ojavee1, Liza Darrous2, Marion Patxot1
1Department of Computational Biology, University of Lausanne, Lausanne, Switzerland; Swiss Institute of Bioinformatics, Lausanne, Switzerland.
American journal of human genetics
|August 5, 2023
概括
大多数与自然更年期 (ANM) 年龄的遗传联系在女性一生中发生变化,揭示出不同的生物途径和健康风险. 我们的新模型确定了影响ANM和相关健康结果的新型年龄特异性遗传效应.
科学领域:
- 遗传学 遗传学 是一个
- 生殖生物学 生殖生物学
- 流行病学 流行病学
背景情况:
- 人类现象型的遗传影响通常被认为在整个生命周期中是恒定的.
- 时间到事件的表型,如自然更年期 (ANM) 的年龄,研究不足,可能涉及年龄相关的遗传影响.
- 现有的遗传关联研究可能无法完全捕捉随时间推移的遗传影响的动态性质.
研究的目的:
- 研究遗传变异对自然更年期 (ANM) 时的年龄的年龄特异性影响.
- 确定与ANM相关的新型遗传关联,这些关联取决于更年期的时间.
- 探索与特定年龄对ANM的遗传影响相关的生物途径和健康影响.
主要方法:
- 利用英国生物库的数据,发现了245个全基因组与ANM的显著遗传关联.
- 开发了一种新的统计建模框架,以确定DNA变异年龄开始关联的时间依赖性.
- 分析了年龄特定的遗传相关性,并推断了ANM与各种健康指标之间的因果关系.
主要成果:
- 74%的与ANM的遗传关联表现出年龄特异性影响.
- 仅通过开发的建模框架确定了19个新发现.
- 在早期与晚期ANM中观察到明显的生物学途径和与健康结果的遗传相关性.
- 在早期的ANM中,DNA损伤反应途径与卵巢储备有着特别的联系.
- 延迟的ANM显示乳腺癌,乳腺瘤,高胆固醇和心力衰竭的风险增加,根据更年期的年龄而异.
结论:
- 自然更年期 (ANM) 时年龄的遗传风险因素在很大程度上取决于年龄,这挑战了持续遗传影响的假设.
- 开发的建模框架有效地识别了与ANM的时间依赖的遗传关联.
- 了解遗传因素的年龄依赖对于理解它们对妇女健康和相关疾病风险的影响至关重要.
关键词:
在自然更年期的年龄.发病时的年龄在开始时.年龄特定的遗传效应.老化的老化 衰老的老化常见的复杂疾病常见的复杂疾病.疾病病因 疾病病因学全基因组关联研究研究.互动互动互动互动互动.意义测试 意义测试 意义测试时间到事件的时间.更多相关视频
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