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Related Experiment Videos

Database development in toxicogenomics: issues and efforts.

William B Mattes1, Syril D Pettit, Susanna-Assunta Sansone

  • 1Pfizer Inc, Groton, Connecticut, USA. wmattes@genelogic.com

Environmental Health Perspectives
|March 23, 2004
PubMed
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Establishing a public toxicogenomics database is crucial for sharing data and harmonizing analytical approaches. This resource will aid in understanding gene expression changes and their relationship to biological parameters in toxicology studies.

Area of Science:

  • Toxicology
  • Genomics
  • Bioinformatics
  • Computational Biology

Background:

  • Toxicogenomics integrates toxicology and genomics, presenting informatics challenges like probe annotation and cross-platform data comparison.
  • Toxicogenomics research aims to link gene expression alterations with biological endpoint data from standard toxicology studies.

Purpose of the Study:

  • To review collaborative efforts in establishing international, publicly accessible toxicogenomics databases.
  • To discuss key issues and requirements for developing effective toxicogenomics databases.

Main Methods:

  • Review of collaborative projects (EMBL-EBI ArrayExpress, ILSI HESI, NIEHS NCEB knowledge base).
  • Discussion of common database challenges: minimal experimental descriptors, data standards, nomenclature, ontologies, data quality, and analytical approaches.

Related Experiment Videos

Main Results:

  • Identification of critical requirements for toxicogenomics databases, including standardized data formats and ontologies.
  • Highlighting the need for robust data quality assessment and standardized analytical methods.

Conclusions:

  • A well-designed, publicly accessible toxicogenomics database is essential for data sharing, analysis, and regulatory reference.
  • International collaboration is key to developing the necessary public infrastructure for toxicogenomics data management.