Dynamic evolution of clonal epialleles revealed by methclone.
Dynamic evolution of clonal epialleles revealed by methclone.
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DOI:
10.1186/s13059-014-0472-5
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发表时间:
2014-09-27
期刊:
影响因子:
12.3
通讯作者:
Mason CE
中科院分区:
文献类型:
--
作者:
Li S;Garrett-Bakelman F;Perl AE;Luger SM;Zhang C;To BL;Lewis ID;Brown AL;D'Andrea RJ;Ross ME;Levine R;Carroll M;Melnick A;Mason CE
We describe methclone, a novel method to identify epigenetic loci that harbor large changes in the clonality of their epialleles (epigenetic alleles). Methclone efficiently analyzes genome-wide DNA methylation sequencing data. We quantify the changes using a composition entropy difference calculation and also introduce a new measure of global clonality shift, loci with epiallele shift per million loci covered, which enables comparisons between different samples to gauge overall epiallelic dynamics. Finally, we demonstrate the utility of methclone in capturing functional epiallele shifts in leukemia patients from diagnosis to relapse. Methclone is open-source and freely available at https://code.google.com/p/methclone. The online version of this article (doi:10.1186/s13059-014-0472-5) contains supplementary material, which is available to authorized users.
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