Gene Expression Omnibus (GEO)

The Gene Expression Omnibus (GEO) is a publicly-funded repository of gene-expression studies maintained by the NCBI. Access the repository here.

Using the GEO web interface to identify differentially expressed genes in gene-expression datasets

See the video tutorial here

• Select a data set
  • e.g. GSE44097
  • Click 'Analyze with GEO2R'
  • Define groups of samples (e.g. treated and control)
  • Assign samples to groups
  • Click 'Top 250' to give you list of differentially expressed genes