298-单细胞多基因风险评分揭示复杂疾病细胞异质性 episode artwork

EPISODE · Dec 6, 2025 · 16 MIN

298-单细胞多基因风险评分揭示复杂疾病细胞异质性

from 聊聊Sci

这份研究详细介绍了多基因风险评分(PRS)的一种先进变体,称为 scPRS(单细胞多基因风险评分),它旨在结合个体遗传信息和单细胞数据来预测疾病风险并探索疾病机制。文章通过比较 scPRS 与其他六种既有 PRS 方法在预测2 型糖尿病 (T2D)、阿尔茨海默病 (AD)、肥厚型心肌病 (HCM) 和 重症 COVID-19 等复杂疾病方面的表现,展示了其优越的预测性能和对噪音的鲁棒性。此外,该方法能够优先识别疾病相关的特定细胞类型,如 T2D 中的胰岛细胞和 AD 中的小胶质细胞,并进一步细化与疾病风险相关的遗传变异、调控元件和基因,提供了更深入的生物学见解。实验验证了 scPRS 发现的新型遗传调控路径,例如 AD 风险变异体 rs7922621 通过影响小胶质细胞中 ANXA11 和 TSPAN14 基因的表达,从而损害吞噬功能。References: Zhang S, Shu H, Zhou J, et al. Single-cell polygenic risk scores dissect cellular and molecular heterogeneity of complex human diseases[J]. Nature Biotechnology, 2025: 1-17.前往小宇宙评论区与主播互动

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298-单细胞多基因风险评分揭示复杂疾病细胞异质性

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