Gene Expression Omnibus (GEO)
National Center for Biotechnology Information (NCBI), National Institutes of Health
The Gene Expression Omnibus is a public repository for gene expression and epigenomics data from microarray and sequencing experiments, operated by NCBI. It houses over 292,000 studies and 8.6 million samples, which researchers can search, download, and analyze through web-based tools or programmatic interfaces.
Category
Open dataset
Access
Open access
Region
US
Coverage
292,000+ series, 8.6M samples
License / terms
Public domain
Data types
gene expression, microarray, RNA-seq, epigenomics