Dataset Information


An Expression Atlas of Human Primary Cells: Inference of Gene Function from Coexpression Networks

ABSTRACT: The specialisation of mammalian cells in time and space requires genes associated with specific pathways and functions to be co-ordinately expressed. Here we have combined a large number of publically available microarray datasets (745 samples, from over 100 separate studies) derived from human primary cells and analysed on the Affymetrix U133plus2.0 array. Using the network analysis tool BioLayout Express3D we have constructed and clustered large correlation graphs of these data in order to identify robust co-associations of genes expressed in a wide variety of cell lineages. We discuss the biological significance of a number of these associations, in particular the coexpression of key transcription factors with the genes that they are likely to control. We consider the regulation of genes in human primary cells and specifically in the human mononuclear phagocyte system. Of particular note is the fact that these data do not support the identity of putative markers of antigen-presenting dendritic cells, nor classification of M1 and M2 activation states, a current subject of debate within immunological field. We have provided this data resource on the BioGPS web site ( and on ( Meta-analysis of publically available human primary cell data run on the Affymetrix U133plus2.0 array.

ORGANISM(S): Homo sapiens  

SUBMITTER: Tom Freeman   Tom C Freeman 

PROVIDER: E-GEOD-49910 | ArrayExpress | 2013-08-16



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