Figure 6From: Expression of tryptophan 2,3-dioxygenase in mature granule cells of the adult mouse dentate gyrusImmunoreactivity of TDO in the dentate hilar interneurons. TDO-expressing cells in the dentate hilus contained GABA. Arrowheads indicate TDO and GABA double-positive cells. g, granule cell layer; h, hilus.Back to article page