Abstract
Cancer genes may tend to mutate in a co-mutational or mutually exclusive manner in a tumor sample of a specific cancer, which constitute two known combinatorial mutational patterns for a given gene set. Previous studies have established that genes functioning in different signaling pathways can mutate in the same sample, i.e., a tumor from one patient, while genes operating in the same pathway are rarely mutated in the same cancer genome. Therefore, reliable identification of combinatorial mutational patterns of candidate cancer genes has important ramifications in inferring signaling network modules in a particular cancer type. While algorithms for discovering mutated driver pathways based on mutual exclusivity of mutations in cancer genes have been proposed, a systematic pipeline for identifying both co-mutational and mutually exclusive patterns with rational significance estimation is still lacking. Here, we describe a reliable framework with detailed procedures to simultaneously explore both combinatorial mutational patterns from public cross-sectional gene mutation data.
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Acknowledgments
This work was partially supported by the Beijing Normal University youth funding (105502GK and 2013YB43 to H.T.) and National Institutes of Health (1U01CA166886, 1R01LM010185, and 1U01HL111560 to X.Z.).
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Tan, H., Zhou, X. (2018). Detection of Combinatorial Mutational Patterns in Human Cancer Genomes by Exclusivity Analysis. In: von Stechow, L. (eds) Cancer Systems Biology. Methods in Molecular Biology, vol 1711. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7493-1_1
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DOI: https://doi.org/10.1007/978-1-4939-7493-1_1
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