Triple labelling between GIRK2 (red), Neurogranin (blue) and Pax2-GFP (green). Pax2 is expressed in Golgi cells during postnatal development. Pax2-GFP immunofluorescence strongly and selectively labelled Golgi cells in the granule cell layer and the axons of Golgi cells establishing synaptic contacts in the cerebellar glomeruli; GIRKs labelled cell bodies and dendrites of granule cells.