“Search for a gene” will provide differential expression data from the following datasets:
Cortex 
Striatum 
Hippocampus 
Chai, H.*, Diaz-Castro, B.*, Shigetomi, E., Monte, E., Octeau, J.C., Yu, X., Cohn, W., Rajendran, P.S., Vondriska, T.M., Whitelegge, J.P., Coppola, G. & Khakh, B.S. (2017). Neural circuit-specialized astrocytes: genomic, proteomic, morphological and functional evidence. Neuron 95, 1-19.
Srinivasan, R.*, Lu, T.-Y.*, Chai, H.*, Xu, J., Huang, B.S., Golshani, P., Coppola, G., and Khakh, B.S. (2016). New transgenic mouse lines for selectively targeting astrocytes and studying calcium signals in astrocyte processes in situ and in vivo. Neuron 92, 1181–1195.
*Equally contributing authors.