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Related Experiment Video

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DaVIE: Database for the Visualization and Integration of Epigenetic data.

Anthony P Fejes1, Meaghan J Jones1, Michael S Kobor2

  • 1Centre for Molecular Medicine and Therapeutics, Child and Family Research Institute, University of British Columbia Vancouver, BC, Canada.

Frontiers in Genetics
|October 4, 2014
PubMed
Summary

DaVIE integrates DNA methylation data using a database and web interface for cross-project comparisons. This platform aids in epigenetics research by enabling data storage, visualization, and analysis.

Keywords:
450k methylation arraybioinformaticsdatabaseepigeneticsvisualization

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Area of Science:

  • Epigenetics and Genomics
  • Bioinformatics and Computational Biology

Background:

  • Analyzing large population-based DNA methylation datasets presents challenges in cross-project comparisons while maintaining data integrity.
  • The increasing popularity and decreasing cost of platforms like Illumina 450k and next-generation sequencing assays generate vast amounts of epigenetics data.
  • Existing tools lack intuitive interfaces for interpreting DNA methylation data within a genomic context, despite databases offering solutions for storage and comparison.

Purpose of the Study:

  • To develop a platform that addresses the challenges of storing, comparing, integrating, and visualizing DNA methylation data across multiple projects.
  • To provide an intuitive user interface for interpreting epigenetics data in a genomic context.
  • To facilitate the derivation of biological meaning from large-scale DNA methylation studies.

Main Methods:

  • Integrated a database for DNA methylation data storage with a web interface for querying and visualization.
  • Developed a set of libraries for advanced data analysis.
  • Created a platform named DaVIE (Database for the Visualization and Integration of Epigenetics data).

Main Results:

  • DaVIE enables data integration from various sources, allowing sample grouping by sub-type and comparison across multiple projects.
  • The platform facilitates visualization of genomic features in relation to specific sites of interest.
  • Demonstrated utility in identifying DNA methylation patterns within and across projects, detecting outlier samples, and cross-checking differentially methylated CpG sites.

Conclusions:

  • DaVIE provides a comprehensive solution for managing and analyzing large-scale DNA methylation data, overcoming limitations of existing tools.
  • The platform enhances the ability to derive biological insights from epigenetics studies through integrated storage, visualization, and analysis.
  • A demonstration server is available for public access, with instructions for self-installation provided.