2015
DOI: 10.1038/ejhg.2015.25
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Kullback–Leibler divergence for detection of rare haplotype common disease association

Abstract: Rare haplotypes may tag rare causal variants of common diseases; hence, detection of such rare haplotypes may also contribute to our understanding of complex disease etiology. Because rare haplotypes frequently result from common single-nucleotide polymorphisms (SNPs), focusing on rare haplotypes is much more economical compared with using rare single-nucleotide variants (SNVs) from sequencing, as SNPs are available and 'free' from already amassed genome-wide studies. Further, associated haplotypes may shed li… Show more

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Cited by 4 publications
(3 citation statements)
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References 26 publications
(67 reference statements)
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“…To better understand detection in SIS, the joint entropy [40], relative entropy [71] and Kullback-Leibler (KL) divergence [72] should be considered in the design of heuristic factors. In addition, research should also focus on gaining insight from 2nd-order and 3rd-order SNP combinations, which should be explored with exhaustive search methods using high-performance computers such as HiSeeker [61].…”
Section: Discussionmentioning
confidence: 99%
“…To better understand detection in SIS, the joint entropy [40], relative entropy [71] and Kullback-Leibler (KL) divergence [72] should be considered in the design of heuristic factors. In addition, research should also focus on gaining insight from 2nd-order and 3rd-order SNP combinations, which should be explored with exhaustive search methods using high-performance computers such as HiSeeker [61].…”
Section: Discussionmentioning
confidence: 99%
“…Without loss of generality, we assume that h k is the baseline haplotype, which is typically chosen to be the one with the largest frequency though this may not always be the best choice. 26 Consider the following haplotype-based logistic regression model where α is the baseline haplotype effect (the effect for an individual with two copies of haplotype h k ), and X Z is the design vector based on an assumed genetic model and the individual’s haplotype pair Z . For example, suppose an additive model is used, and Z=(hl,hl) for 1l<l<k, where h l and hl are two specific haplotypes, then X Z is a vector of length k – 1 with the l th and l ′th positions being 1 and the rest being 0.…”
Section: Methodsmentioning
confidence: 99%
“…In our previous work (Yu et al, 2011), we used the Kullback-Leibler divergence (also called relative entropy) to obtain a symmetrised measure and successfully studied the phylogeny of various DNA sequences based on their probability distributions. The Kullback-Leibler divergence, which is a powerful tool to measure the difference between two probability distributions, has been widely used in many fields, such as bioinformatics (Kaitchenko, 2004; Liu et al, 2014; McClendon et al, 2012; Hoang et al, 2015), genomics (Huang et al, 2014; Lin, 2015; Siegel et al, 2015), and machine learning (Lee and Lee, 2006; Rubinstein and Kroese, 2013). By means of this measure, we performed cluster analysis for those subjects including MDD cases and controls.…”
Section: Introductionmentioning
confidence: 99%