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Updated: May 10, 2026

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Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
Published on: September 18, 2020
DNA methylation data analysis and its application to cancer research
Xiaotu Ma1, Yi-Wei Wang, Michael Q Zhang
1Department of Molecular & Cell Biology, Center for Systems Biology, The University of Texas at Dallas, Richardson, TX 75080, USA.
Epigenomics
|June 12, 2013
Summary
Computational analysis of DNA methylation data, a key epigenetic marker, offers insights into cancer. This review covers data generation techniques and mining applications, highlighting future potential for epigenetic research in disease.
Area of Science:
- Genomics
- Epigenetics
- Bioinformatics
Background:
- High-throughput technologies generate vast molecular data.
- DNA methylation is a key epigenetic regulatory mechanism.
- Computational approaches are essential for biological insights.
Purpose of the Study:
- Focus on DNA methylation data analysis.
- Explore applications in cancer research.
- Review data generation and mining techniques.
Main Methods:
- Utilizing data from genome-wide technologies.
- Focusing on Infinium HumanMethylation450 BeadChip technology.
- Describing methylome coverage and data mining examples.
Main Results:
- DNA methylation data is abundant and valuable.
- Infinium HumanMethylation450 BeadChip offers broad methylome coverage.
- Data mining reveals potential cancer-related insights.
Conclusions:
- DNA methylation analysis is crucial for cancer studies.
- Current epigenetic research has limitations.
- Future advancements will enhance epigenetic exploration in disease.
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Epigenetic Regulation
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.

