The interaction index, a novel information-theoretic metric for prioritizing interacting genetic variations and environmental factors.
The interaction index, a novel information-theoretic metric for prioritizing interacting genetic variations and environmental factors.
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DOI:
10.1038/ejhg.2009.38
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发表时间:
2009-10
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--
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We developed an information-theoretic metric called the Interaction Index for prioritizing genetic variations and environmental variables for follow-up in detailed sequencing studies. The Interaction Index was found to be effective for prioritizing the genetic and environmental variables involved in GEI for a diverse range of simulated data sets. The metric was also evaluated for a 103-SNP Crohn’s disease dataset and a simulated data set containing 9187 SNPs and multiple covariates that was modeled on a rheumatoid arthritis data set. Our results demonstrate that the Interaction Index algorithm is effective and efficient for prioritizing interacting variables for a diverse range of epidemiologic data sets containing complex combinations of direct effects, multiple GGI and GEI.
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