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Gene Expression Omnibus GEO

An international public repository for high-throughput microarray and next-generation sequence functional genomic data sets submitted by the research community. The resource supports archiving of raw data, processed data and metadata which are indexed, cross-linked and searchable. All data are freely available for download in a variety of formats. In addition to serving as a public archive, GEO provides tools to help users identify, analyse and visualize data relevant to their specific interests. These tools include a powerful search engine that supports complex fielded queries, sample comparison applications and gene expression profile charts.

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GEO support


  • Tanya Barrett <>


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National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Lister Hill Center, Rockville Pike, Bethesda, MD, USA

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