肺纤维化患者和亲属的年龄相关遗传风险
medRxiv : the preprint server for health sciences
|February 6, 2026
概括
异形性肺纤维化 (IPF) 的遗传风险因素具有年龄相关的影响. 罕见变异增加了年轻人的风险,而MUC5B SNP增加了老年人的风险,影响了疾病查.
科学领域:
- 遗传学 是一个遗传学.
- 肺部病理学 肺部病理学
- 与年龄有关的疾病与年龄有关的疾病.
背景情况:
- 异形性肺纤维化 (IPF) 是一种与年龄相关的肺部疾病,具有已知的遗传风险因素.
- 这些遗传因素对不同年龄组的IPF风险的影响尚不清楚.
研究的目的:
- 研究肺纤维化 (PF) 的常见和罕见遗传风险因素如何根据患者年龄不同影响疾病风险.
- 分析IPF年龄和遗传倾向之间的相互作用.
主要方法:
- 全基因组测序 (WGS) 用于确定IPF队列 (哥伦比亚和TOPMed) 的遗传风险因素.
- 进行了年龄分层分析,以评估年龄和遗传风险之间的相互作用.
- 家庭研究 (pedigrees) 检查了亲属间歇性肺病的年龄特异性患病率.
主要成果:
- 与MUC5B SNP相关的风险随着年龄的增长而增加,而罕见变异的风险随着年龄的增长而减少.
- 观察到年龄 (特别是<55岁) 和MUC5B SNP和罕见变体之间的显著相互作用.
- 患有罕见变异的家族性肺纤维化 (FPF) 家庭的亲属与没有这种疾病的亲属相比,更早地出现了疾病发作.
结论:
- 年龄显著改变了IPF遗传风险因素的影响.
- 罕见变异在年轻人中具有更高的风险,而MUC5B SNP在老年人中更为显著.
- 患有罕见变异的FPF患者亲属的早期疾病患病率表明有潜在的临床前查.
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