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Quantitative comparison of genome-wide DNA methylation mapping technologies

来自 Nature

阅读量：

123

作者：

C Bock，EM Tomazou，AB Brinkman，F Müller，F Simmer，H Gu，Natalie Jger，A Gnirke，HG Stunnenberg，A Meissner

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摘要：

DNA methylation plays a key role in regulating eukaryotic gene expression. Although mitotically heritable and stable over time, patterns of DNA methylation frequently change in response to cell differentiation, disease and environmental influences. Several methods have been developed to map DNA methylation on a genomic scale. Here, we benchmark four of these approaches by analyzing two human embryonic stem cell lines derived from genetically unrelated embryos and a matched pair of colon tumor and adjacent normal colon tissue obtained from the same donor. Our analysis reveals that methylated DNA immunoprecipitation sequencing (MeDIP-seq), methylated DNA capture by affinity purification (MethylCap-seq), reduced representation bisulfite sequencing (RRBS) and the Infinium HumanMethylation27 assay all produce accurate DNA methylation data. However, these methods differ in their ability to detect differentially methylated regions between pairs of samples. We highlight strengths and weaknesses of the four methods and give practical recommendations for the design of epigenomic case-control studies.

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关键词：

Humans Cell Line Reproducibility of Results Sequence Analysis, DNA Repetitive Sequences, Nucleic Acid Aged, 80 and over Genome, Human DNA Methylation Male

DOI：

10.1038/nbt.1681

被引量：

915

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来源期刊

Nature Biotechnology

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2012
被引量：176

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