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An enhanced framework for local genetic correlation analysis

delete2025-03-10
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Yuying Li
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Yudi Pawitan
DOI:10.1038/s41588-025-02123-3delete
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摘要

摘要

En 中文
遗传相关性是复杂性状联合遗传模型中的关键参数,但其通常在全球基因组尺度上进行估计。理解局部遗传相关性可提供更详细的复杂性状共享遗传结构的洞见。然而,当前用于局部遗传相关性分析的先进工具LAVA易产生错误推断。本研究将高分辨率似然(HDL)方法扩展为局部版本HDL-L,该版本在小型的、近似独立的连锁不平衡区块中进行遗传相关性分析。HDL-L可实现更精细的遗传方差和协方差估计。模拟结果表明,与LAVA相比,HDL-L能提供更一致的遗传力估计和更高效的遗传相关性估计。HDL-L在不同参数设置下进行的广泛模拟中表现出稳健的性能。在分析英国生物银行30个表型数据时,HDL-L识别出109个显著的局部遗传相关性,并展现出明显的计算优势。HDL-L证实是揭示复杂人类性状详细遗传景观的有力工具,兼具准确性和计算效率。
Keyword:
LD SCORE REGRESSION
ASSOCIATION

期刊

Nature Genetics 封面图
Nature Genetics
IF:
29
论文数:
780
被引数:
241

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