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Methods Mol Biol. 2018;1793:157-182. doi: 10.1007/978-1-4939-7868-7_11.

Multivariate Methods for Meta-Analysis of Genetic Association Studies.

Author information

1
Department of Computer Science and Biomedical Informatics, University of Thessaly, Lamia, Greece.
2
Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece.
3
Department of Computer Science and Biomedical Informatics, University of Thessaly, Lamia, Greece. pbagos@compgen.org.

Abstract

Multivariate meta-analysis of genetic association studies and genome-wide association studies has received a remarkable attention as it improves the precision of the analysis. Here, we review, summarize and present in a unified framework methods for multivariate meta-analysis of genetic association studies and genome-wide association studies. Starting with the statistical methods used for robust analysis and genetic model selection, we present in brief univariate methods for meta-analysis and we then scrutinize multivariate methodologies. Multivariate models of meta-analysis for a single gene-disease association studies, including models for haplotype association studies, multiple linked polymorphisms and multiple outcomes are discussed. The popular Mendelian randomization approach and special cases of meta-analysis addressing issues such as the assumption of the mode of inheritance, deviation from Hardy-Weinberg Equilibrium and gene-environment interactions are also presented. All available methods are enriched with practical applications and methodologies that could be developed in the future are discussed. Links for all available software implementing multivariate meta-analysis methods are also provided.

KEYWORDS:

Genetic association studies; Meta-analysis; Multivariate methodology

PMID:
29876897
DOI:
10.1007/978-1-4939-7868-7_11
[Indexed for MEDLINE]

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