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Related Experiment Videos

From phenotype to genotype: issues in navigating the available information resources.

J A Mitchell1, A T McCray, O Bodenreider

  • 1Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA. mitchelljo@health.missouri.edu

Methods of Information in Medicine
|December 5, 2003
PubMed
Summary

Navigating genetic disease information online is challenging due to complex, dynamic data and inconsistent representations. Improved tools and standards are needed for easier phenotype-to-genotype navigation, especially for non-experts.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Medical Informatics

Background:

  • The Human Genome Project provides vast data on human genetic diseases.
  • Connecting health professionals and the public to this genomic information is crucial.

Purpose of the Study:

  • To assess the availability and nature of Human Genome Project data for human genetic diseases.
  • To identify challenges in accessing and navigating this information.

Main Methods:

  • Focused on single-gene diseases from MEDLINEplus, a consumer health resource.
  • Utilized publicly available websites to investigate gene-disease associations.
  • Examined knowledge representation and navigational issues.

Main Results:

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  • Numerous online resources exist but are often complex and technical.
  • Key challenges include data complexity, dynamism, resource diversity, and lack of standardization.
  • Phenotype-to-genotype navigation is hindered by these factors.

Conclusions:

  • Official gene names are insufficient for web resource navigation.
  • Inconsistencies in gene/product forms and currency create navigational difficulties.
  • Synonymy and polysemy lead to confusion, impeding computational navigation and requiring new tools and standards.