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DNA methylation profiling: comparison of genome-wide sequencing methods and the Infinium Human Methylation 450 Bead Chip


Walker DL, Bhagwate AV, Baheti S, Smalley RL, Hilker CA, Sun Z, Cunningham JM

AIMS:

To compare the performance of four sequence-based and one microarray methods for DNA methylation profiling.

METHODS:

DNA from two cell lines were profiled by reduced representation bisulfite sequencing, methyl capture sequencing (SS-Meth Seq), NimbleGen SeqCapEpi CpGiant(Nimblegen MethSeq), methylated DNA immunoprecipitation (MeDIP) and the Human Methylation 450 Bead Chip (Meth450K).

RESULTS & CONCLUSION:

Despite differences in genome-wide coverage, high correlation and concordance were observed between different methods. Significant overlap of differentially methylated regions was identified between sequenced-based platforms. MeDIP provided the best coverage for the whole genome and gene body regions, while RRBS and Nimblegen MethSeq were superior for CpGs in CpG islands and promoters. Methylation analyses can be achieved by any of the five methods but understanding their differences may better address the research question being posed.

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MagMeDIP kit
Antibody
5mC (C15200081)

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Published
December, 2015

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Products used in this publication

  • Mouse IgG
    C15200081-100
    5-methylcytosine (5-mC) Antibody - clone 33D3
  • MagMeDIP qPCR Kit box
    C02010021
    MagMeDIP Kit

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