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Updated: Mar 15, 2026
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Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
Published on: September 18, 2020
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EpiGeNet: A Graph Database of Interdependencies Between Genetic and Epigenetic Events in Colorectal Cancer.
Irina Balaur1, Mansoor Saqi1, Ana Barat2
11 European Institute for Systems Biology and Medicine (EISBM) , CIRI UMR CNRS 5308, CNRS-ENS-UCBL-INSERM, Université Claude Bernard, Lyon, France .
Summary
A new graph database, EpiGeNet, enhances the study of colorectal cancer (CRC) by integrating genetic and epigenetic data. This tool aids in understanding molecular events during CRC progression and identifying key gene associations.
Area of Science:
- Oncology
- Bioinformatics
- Genetics
Background:
- Colorectal cancer (CRC) development involves genetic and epigenetic deregulations.
- Existing databases like StatEpigen offer valuable CRC data but can be enhanced for complex queries.
- Advanced data representation is needed for exploring interdependencies in molecular events.
Purpose of the Study:
- To develop EpiGeNet, a graph database for storing and querying conditional relationships between molecular events in colorectal oncogenesis.
- To demonstrate EpiGeNet's enhanced capabilities for exploring CRC progression data.
- To improve the management and visualization of molecular event data specific to CRC.
Main Methods:
- Data extraction from the StatEpigen database.
- Importing data into a newly developed graph database (NoSQL) named EpiGeNet.
- Developing and demonstrating specific queries for colorectal tumor progression analysis.
Main Results:
- EpiGeNet successfully stores and queries conditional relationships between genetic and epigenetic events in CRC.
- Demonstrated ability to query stage-specific molecular events in colorectal oncogenesis.
- Illustrated exploration of genetic and epigenetic interdependencies and pathways related to CRC.
Conclusions:
- EpiGeNet provides an improved framework for managing and visualizing molecular data in colorectal cancer research.
- The graph database approach enhances the exploration of complex relationships in CRC initiation and progression.
- EpiGeNet facilitates deeper insights into the molecular mechanisms driving colorectal tumorigenesis.
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