postGWAS: A web server for deciphering the causality post the genome-wide association studies

Tao Wang, Zhihao Yan, Yiming Zhang, Zhuofei Lou, Xiaozhu Zheng, Duo Duo Mai, Yongtian Wang, Xuequn Shang, Bing Xiao, Jiajie Peng, Jing Chen

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摘要

While genome-wide association studies (GWAS) have unequivocally identified vast disease susceptibility variants, a majority of them are situated in non-coding regions and are in high linkage disequilibrium (LD). To pave the way of translating GWAS signals to clinical drug targets, it is essential to identify the underlying causal variants and further causal genes. To this end, a myriad of post-GWAS methods have been devised, each grounded in distinct principles including fine-mapping, co-localization, and transcriptome-wide association study (TWAS) techniques. Yet, no platform currently exists that seamlessly integrates these diverse post-GWAS methodologies. In this work, we present a user-friendly web server for post-GWAS analysis, that seamlessly integrates 9 distinct methods with 12 models, categorized by fine-mapping, colocalization, and TWAS. The server mainly helps users decipher the causality hindered by complex GWAS signals, including casual variants and casual genes, without the burden of computational skills and complex environment configuration, and provides a convenient platform for post-GWAS analysis, result visualization, facilitating the understanding and interpretation of the genome-wide association studies. The postGWAS server is available at http://g2g.biographml.com/.

源语言英语
文章编号108108
期刊Computers in Biology and Medicine
171
DOI
出版状态已出版 - 3月 2024

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