Gene expression database - (Jan/31/2013 )

I would to Know if there are some database to find the gene expression profile in a concret cell type. In GeneBank I have found the genes expressed in a human tissue but not in a kind of cell type. Someone Knows some database?

Thank you,

Laura

GEO: http://www.ncbi.nlm.nih.gov/geo/ the largest collection of expression data.
Oncomine: https://www.oncomine.org/resource/login.html Data from cancer and normal tissues/cells, need registration which is free.
ArrayExpress Archive: http://www.ebi.ac.uk/arrayexpress/
or Gene Expression Atlas: http://www.ebi.ac.uk/gxa/
Mouse Gene Expression Database (GXD): http://www.informatics.jax.org/mgihome/GXD/aboutGXD.shtml