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Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
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Characterizing DNA methylation alterations from The Cancer Genome Atlas

Daniel J Weisenberger

    The Journal of Clinical Investigation
    |January 3, 2014
    PubMed

    Insights

    The Cancer Genome Atlas (TCGA) reveals crucial DNA methylation changes across 30 cancer types. These findings are vital for understanding cancer genomics and developing new diagnostic and treatment strategies.

    Area of Science:

    • Genomics
    • Cancer Biology
    • Epigenetics

    Background:

    • The Cancer Genome Atlas (TCGA) Research Network is a large-scale consortium.
    • TCGA characterizes genomic alterations in 30 cancer types.
    • DNA methylation is a key epigenetic mechanism in cancer.

    Purpose of the Study:

    • To review knowledge gained from DNA methylation alterations in human cancers using TCGA data.
    • To highlight the role of DNA methylation in cancer genomics.

    Main Methods:

    • Analysis of TCGA data.
    • Characterization of DNA methylation, sequence, copy number, and gene expression alterations.

    Main Results:

    • DNA methylation alterations are integral to cancer genomics.
    • These alterations show associations with gene expression, sequence, and copy number changes.
    • TCGA data provide a comprehensive resource for cancer research.

    Conclusions:

    • DNA methylation profiling is essential for understanding cancer.
    • TCGA findings have the potential to influence cancer diagnostics and treatments.
    • This review consolidates key insights into cancer DNA methylation from TCGA.

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