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A dynamic model for genome-wide association studies

A dynamic model for genome-wide association studies Although genome-wide association studies (GWAS) are widely used to identify the genetic and environmental etiology of a trait, several key issues related to their statistical power and biological relevance have remained unexplored. Here, we describe a novel statistical approach, called functional GWAS or f GWAS, to analyze the genetic control of traits by integrating biological principles of trait formation into the GWAS framework through mathematical and statistical bridges. f GWAS can address many fundamental questions, such as the patterns of genetic control over development, the duration of genetic effects, as well as what causes developmental trajectories to change or stop changing. In statistics, f GWAS displays increased power for gene detection by capitalizing on cumulative phenotypic variation in a longitudinal trait over time and increased robustness for manipulating sparse longitudinal data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Human Genetics Springer Journals

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References (53)

Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer-Verlag
Subject
Biomedicine; Metabolic Diseases; Molecular Medicine ; Human Genetics ; Gene Function
ISSN
0340-6717
eISSN
1432-1203
DOI
10.1007/s00439-011-0960-6
pmid
21293879
Publisher site
See Article on Publisher Site

Abstract

Although genome-wide association studies (GWAS) are widely used to identify the genetic and environmental etiology of a trait, several key issues related to their statistical power and biological relevance have remained unexplored. Here, we describe a novel statistical approach, called functional GWAS or f GWAS, to analyze the genetic control of traits by integrating biological principles of trait formation into the GWAS framework through mathematical and statistical bridges. f GWAS can address many fundamental questions, such as the patterns of genetic control over development, the duration of genetic effects, as well as what causes developmental trajectories to change or stop changing. In statistics, f GWAS displays increased power for gene detection by capitalizing on cumulative phenotypic variation in a longitudinal trait over time and increased robustness for manipulating sparse longitudinal data.

Journal

Human GeneticsSpringer Journals

Published: Jun 1, 2011

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