GFAPdelta expression in glia of the developmental and adolescent mouse brain.Reactive glia show increased immunoproteasome activity in Alzheimer's disease.GFAP isoforms in adult mouse brain with a focus on neurogenic astrocytes and reactive astrogliosis in mouse models of Alzheimer's disease.Shades of grey: the delineation of marker expression within the adult rodent subvenricular zone.In vivo targeting of subventricular zone astrocytes.