webTWAS: a resource for disease candidate susceptibility genes identified by transcriptome-wide association study

C Cao, J Wang, D Kwok, F Cui, Z Zhang… - Nucleic acids …, 2022 - academic.oup.com
The development of transcriptome-wide association studies (TWAS) has enabled
researchers to better identify and interpret causal genes in many diseases. However, there …

A unified framework for cross-population trait prediction by leveraging the genetic correlation of polygenic traits

M Cai, J Xiao, S Zhang, X Wan, H Zhao, G Chen… - The American Journal of …, 2021 - cell.com
The development of polygenic risk scores (PRSs) has proved useful to stratify the general
European population into different risk groups. However, PRSs are less accurate in non …

Mendelian randomization for causal inference accounting for pleiotropy and sample structure using genome-wide summary statistics

X Hu, J Zhao, Z Lin, Y Wang, H Peng… - Proceedings of the …, 2022 - National Acad Sciences
Mendelian randomization (MR) is a valuable tool for inferring causal relationships among a
wide range of traits using summary statistics from genome-wide association studies …

Causal inference in transcriptome-wide association studies with invalid instruments and GWAS summary data

H Xue, X Shen, W Pan - Journal of the American Statistical …, 2023 - Taylor & Francis
Abstract Transcriptome-Wide Association Studies (TWAS) have recently emerged as a
popular tool to discover (putative) causal genes by integrating an outcome GWAS dataset …

A review of statistical methods for identifying trait-relevant tissues and cell types

H Zhu, L Shang, X Zhou - Frontiers in Genetics, 2021 - frontiersin.org
Genome-wide association studies (GWASs) have identified and replicated many genetic
variants that are associated with diseases and disease-related complex traits. However, the …

Inferring causal direction between two traits in the presence of horizontal pleiotropy with GWAS summary data

H Xue, W Pan - PLoS genetics, 2020 - journals.plos.org
Orienting the causal relationship between pairs of traits is a fundamental task in scientific
research with significant implications in practice, such as in prioritizing molecular targets and …

Transcriptome profiling at osmotic and ionic phases of salt stress response in bread wheat uncovers trait-specific candidate genes

D Duarte-Delgado, S Dadshani, H Schoof, BC Oyiga… - BMC Plant …, 2020 - Springer
Background Bread wheat is one of the most important crops for the human diet, but the
increasing soil salinization is causing yield reductions worldwide. Improving salt stress …

A robust two‐sample transcriptome‐wide Mendelian randomization method integrating GWAS with multi‐tissue eQTL summary statistics

KJ Gleason, F Yang, LS Chen - Genetic epidemiology, 2021 - Wiley Online Library
By treating genetic variants as instrumental variables (IVs), two‐sample Mendelian
randomization (MR) methods detect genetically regulated risk exposures for complex …

Leveraging the local genetic structure for trans-ancestry association mapping

J Xiao, M Cai, X Yu, X Hu, G Chen, X Wan… - The American Journal of …, 2022 - cell.com
Over the past two decades, genome-wide association studies (GWASs) have successfully
advanced our understanding of the genetic basis of complex traits. Despite the fruitful …

A tissue-specific collaborative mixed model for jointly analyzing multiple tissues in transcriptome-wide association studies

X Shi, X Chai, Y Yang, Q Cheng, Y Jiao… - Nucleic acids …, 2020 - academic.oup.com
Transcriptome-wide association studies (TWASs) integrate expression quantitative trait loci
(eQTLs) studies with genome-wide association studies (GWASs) to prioritize candidate …