Journal
GENES
Volume 10, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/genes10020114
Keywords
single nucleotide polymorphisms; ant colony optimization; information entropy; epistatic interactions; self-adjusting algorithm
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Funding
- National Natural Science Foundation Program of China [61772124, 61702381]
- State Key Program of National Natural Science of China [61332014]
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The epistatic interactions of single nucleotide polymorphisms (SNPs) are considered to be an important factor in determining the susceptibility of individuals to complex diseases. Although many methods have been proposed to detect such interactions, the development of detection algorithm is still ongoing due to the computational burden in large-scale association studies. In this paper, to deal with the intensive computing problem of detecting epistatic interactions in large-scale datasets, a self-adjusting ant colony optimization based on information entropy (IEACO) is proposed. The algorithm can automatically self-adjust the path selection strategy according to the real-time information entropy. The performance of IEACO is compared with that of ant colony optimization (ACO), AntEpiSeeker, AntMiner, and epiACO on a set of simulated datasets and a real genome-wide dataset. The results of extensive experiments show that the proposed method is superior to the other methods.
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