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The world's expression data at your fingertips

  • Explore public expression data to find supporting evidence for your findings or hypotheses
  • Study gene function by finding out where, when and in response to what they are expressed
  • Learn more from your experiments by integrating and comparing them with public datasets
  • Discover and prioritize your biomarkers and targets against thousands of conditions

Application areas


Some tools are freely accessible while
others require a commercial license.

Free tool of the month

Every month, a tool from the Professional edition is made freely available to all users.

Due to its high popularity, free access to this tool is prolonged to July 2016. See tutorial.
registered users
journal citations
Gene Search Perturbations tool

High quality content only

  • Highest quality curation by PhD-level experts with several years of research experience
  • Strict quality assessment to eliminate low quality samples and poorly designed studies
  • Use of controlled vocabularies to describe patient and sample properties
  • Complete re-annotation of all experiment and sample descriptions

Gene Search Perturbations tool

Tools every scientist deserves

  • Powerful compendium-wide analytics with robust statistics
  • Easy tools for instant analysis of thousands of studies
  • Elegant and informative graphical visualizations
  • Workflows designed by biologists for biologists
Anatomy tool
Probably the world's most detailed body atlas -
Visualize the expression of genes across more
than 350 different tissues and cell types.
Gene Search Perturbations tool
Instantly screen through thousands of conditions -
Effectively find targets and biomarkers highly
specific for your condition of interest.
Co-Expression tool
Extremely fast and flexible co-expression tool -
Easily choose any set of relevant conditions
and find co-expressed genes on-the-fly.

Integrate into your bio-IT

Effective integration of deeply curated public studies

  • Usability: user-friendly tools for wide applicability within your organization
  • Aggregability: integrate your proprietary data with curated public data
  • Interoperability: well-defined and stable data export/import formats
  • Portability: server-client architecture for intranet-wide usage
  • Security: our search engine is installed within your firewall
  • Topicality: regular updates of newly curated datasets

Key Benefits

Advancing your research to the next level

  • Improved interpretation of your results by bringing them into context
  • Effective drug discovery through more informed decisions
  • Save time and money on integrating curated public data
  • Better translation into clinical applications

Example studies