Using high-density DNA methylation arrays to profile copy number alterations.

Using high-density DNA methylation arrays to profile copy number alterations.
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DOI:
10.1186/gb-2014-15-2-r30
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发表时间:
2014-02-03
期刊:
影响因子:
12.3
通讯作者:
Beck S
Beck S
中科院分区:
生物学1区
文献类型:
--
作者:
Feber A;Guilhamon P;Lechner M;Fenton T;Wilson GA;Thirlwell C;Morris TJ;Flanagan AM;Teschendorff AE;Kelly JD;Beck S

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The integration of genomic and epigenomic data is an increasingly popular approach for studying the complex mechanisms driving cancer development. We have developed a method for evaluating both methylation and copy number from high-density DNA methylation arrays. Comparing copy number data from Infinium HumanMethylation450 BeadChips and SNP arrays, we demonstrate that Infinium arrays detect copy number alterations with the sensitivity of SNP platforms. These results show that high-density methylation arrays provide a robust and economic platform for detecting copy number and methylation changes in a single experiment. Our method is available in the ChAMP Bioconductor package: http://www.bioconductor.org/packages/2.13/bioc/html/ChAMP.html.
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