Article
A multi-tissue mendelian randomization method based on eQTL data for mapping tissue-specific disease genes.
BMC bioinformatics - 19 May 2026
Wang Shuaiyi, Xu Mengni, Tang Yuxin, Wang Kaixuan, Wen Jinbao, Cheng Yu, Yan Fangrong, Liu Tiantian
Abstract excerpt
Tissue-specific gene expression is critical in complex disease etiology, but traditional transcriptome-wide Mendelian Randomization (TWMR) often overlooks tissue heterogeneity and is constrained by limited valid instrumental variables (IVs) per tissue. We propose Multi-Tissue TWMR (MT-TWMR), which selects cis-eQTLs with consistent effects across tissues as IVs and estimates tissue-specific causal effects via a...
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