Bayesian neural networks for detecting epistasis in genetic association studies

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Bayesian neural networks for detecting epistasis in genetic association studies

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Title: Bayesian neural networks for detecting epistasis in genetic association studies
Author: Beam, Andrew L; Motsinger-Reif, Alison; Doyle, Jon

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Citation: Beam, Andrew L, Alison Motsinger-Reif, and Jon Doyle. 2014. “Bayesian neural networks for detecting epistasis in genetic association studies.” BMC Bioinformatics 15 (1): 368. doi:10.1186/s12859-014-0368-0. http://dx.doi.org/10.1186/s12859-014-0368-0.
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Abstract: Background: Discovering causal genetic variants from large genetic association studies poses many difficult challenges. Assessing which genetic markers are involved in determining trait status is a computationally demanding task, especially in the presence of gene-gene interactions. Results: A non-parametric Bayesian approach in the form of a Bayesian neural network is proposed for use in analyzing genetic association studies. Demonstrations on synthetic and real data reveal they are able to efficiently and accurately determine which variants are involved in determining case-control status. By using graphics processing units (GPUs) the time needed to build these models is decreased by several orders of magnitude. In comparison with commonly used approaches for detecting interactions, Bayesian neural networks perform very well across a broad spectrum of possible genetic relationships. Conclusions: The proposed framework is shown to be a powerful method for detecting causal SNPs while being computationally efficient enough to handle large datasets. Electronic supplementary material The online version of this article (doi:10.1186/s12859-014-0368-0) contains supplementary material, which is available to authorized users.
Published Version: doi:10.1186/s12859-014-0368-0
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4256933/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13581155
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