ArrayExpress – functional genomics data

ArrayExpress Archive of Functional Genomics Data stores data from high-throughput functional genomics experiments, and provides these data for reuse to the research community.

Latest News

7 July 2015 - Revamped guide for ArrayExpress submission tool "Annotare"

It's been almost a year since we launched Annotare. We have listened to our submitters and rolled out a revamped guide covering many frequently asked questions. Spare a few minutes to pick up some bite-size hints to make your submission experience smoother. For example, did you know we have introduced a few time-saving features in Annotare?


Information about how to search ArrayExpress, understand search results, how to submit data and FAQ can be found in our Help section.

Find out more about the Functional Genomics group.

Tools and Access

ArrayExpress Bioconductor package: an R package to access ArrayExpress and build data structures.

Programmatic access: query and download data using web services or JSON.

FTP access: data can be downloaded directly from our FTP site.

Related Projects

Discover up and down regulated genes in numerous experimental conditions in the Expression Atlas.

Explore the Experimental Factor Ontology used to support queries and annotation of ArrayExpress data.