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Nucleic Acids Res. 2012 Jan;40(Database issue):D1077-81. doi: 10.1093/nar/gkr913. Epub 2011 Nov 7.

Gene Expression Atlas update--a value-added database of microarray and sequencing-based functional genomics experiments.

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  • 1European Bioinformatics Institute, EMBL, Hinxton, UK and Dana-Farber Cancer Institute, Boston, MA, USA.

Abstract

Gene Expression Atlas (http://www.ebi.ac.uk/gxa) is an added-value database providing information about gene expression in different cell types, organism parts, developmental stages, disease states, sample treatments and other biological/experimental conditions. The content of this database derives from curation, re-annotation and statistical analysis of selected data from the ArrayExpress Archive and the European Nucleotide Archive. A simple interface allows the user to query for differential gene expression either by gene names or attributes or by biological conditions, e.g. diseases, organism parts or cell types. Since our previous report we made 20 monthly releases and, as of Release 11.08 (August 2011), the database supports 19 species, which contains expression data measured for 19,014 biological conditions in 136,551 assays from 5598 independent studies.

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