MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies

Abstract Transcriptome-wide association study (TWAS) has emerged as a powerful tool for translating the myriad variations identified by genome-wide association studies (GWAS) into regulated genes in the post-GWAS era. While integrating annotation information has been shown to enhance power, current...

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Main Authors: Han Wang, Xiang Li, Teng Li, Zhe Li, Pak Chung Sham, Yan Dora Zhang
Format: Article
Language:English
Published: BMC 2025-02-01
Series:Genome Biology
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Online Access:https://doi.org/10.1186/s13059-025-03485-x
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author Han Wang
Xiang Li
Teng Li
Zhe Li
Pak Chung Sham
Yan Dora Zhang
author_facet Han Wang
Xiang Li
Teng Li
Zhe Li
Pak Chung Sham
Yan Dora Zhang
author_sort Han Wang
collection DOAJ
description Abstract Transcriptome-wide association study (TWAS) has emerged as a powerful tool for translating the myriad variations identified by genome-wide association studies (GWAS) into regulated genes in the post-GWAS era. While integrating annotation information has been shown to enhance power, current annotation-assisted TWAS tools predominantly focus on epigenomic annotations. When including more annotations, the assumption of a positive correlation between annotation scores and SNPs’ effect sizes, as adopted by current methods, often falls short. Here, we propose MAAT expanding the horizons of existing TWAS studies, generating a new model incorporating multiple annotations into TWAS and a new metric indicating the most important annotation.
format Article
id doaj-art-d40046ccde794b1ea06fb59c5b290565
institution Kabale University
issn 1474-760X
language English
publishDate 2025-02-01
publisher BMC
record_format Article
series Genome Biology
spelling doaj-art-d40046ccde794b1ea06fb59c5b2905652025-02-09T12:39:24ZengBMCGenome Biology1474-760X2025-02-0126112810.1186/s13059-025-03485-xMAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studiesHan Wang0Xiang Li1Teng Li2Zhe Li3Pak Chung Sham4Yan Dora Zhang5College of Science, China Agricultural UniversityDepartment of Statistics and Actuarial Science, School of Computing and Data Science, The University of Hong KongDepartment of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College4+4 Medical Doctor Program, Chinese Academy of Medical Sciences and Peking Union Medical CollegeDepartment of Psychiatry, Li Ka Shing Faculty of Medicine, The University of Hong KongDepartment of Statistics and Actuarial Science, School of Computing and Data Science, The University of Hong KongAbstract Transcriptome-wide association study (TWAS) has emerged as a powerful tool for translating the myriad variations identified by genome-wide association studies (GWAS) into regulated genes in the post-GWAS era. While integrating annotation information has been shown to enhance power, current annotation-assisted TWAS tools predominantly focus on epigenomic annotations. When including more annotations, the assumption of a positive correlation between annotation scores and SNPs’ effect sizes, as adopted by current methods, often falls short. Here, we propose MAAT expanding the horizons of existing TWAS studies, generating a new model incorporating multiple annotations into TWAS and a new metric indicating the most important annotation.https://doi.org/10.1186/s13059-025-03485-xTranscriptome-wide association studies (TWAS)Functional annotationProduct partition model with covariates (PPMx)Psychiatric traits
spellingShingle Han Wang
Xiang Li
Teng Li
Zhe Li
Pak Chung Sham
Yan Dora Zhang
MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies
Genome Biology
Transcriptome-wide association studies (TWAS)
Functional annotation
Product partition model with covariates (PPMx)
Psychiatric traits
title MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies
title_full MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies
title_fullStr MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies
title_full_unstemmed MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies
title_short MAAT: a new nonparametric Bayesian framework for incorporating multiple functional annotations in transcriptome-wide association studies
title_sort maat a new nonparametric bayesian framework for incorporating multiple functional annotations in transcriptome wide association studies
topic Transcriptome-wide association studies (TWAS)
Functional annotation
Product partition model with covariates (PPMx)
Psychiatric traits
url https://doi.org/10.1186/s13059-025-03485-x
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