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. Author manuscript; available in PMC: 2015 Apr 6.
Published in final edited form as: Neuron. 2012 Oct 4;76(1):33–50. doi: 10.1016/j.neuron.2012.09.023

Table 2. Cellular distribution of DA receptors in the cortex and striatum of rodents.

This table reports semi-quantitative expression levels of and their relative cellular distribution (in parentheses) within defined cortical and striatal neuronal populations.

D1 D2 D3 D4 D5
Striatum
 dSPNs +++ (>90%) – + (50%) + (<10%) –
 iSPNs + (<10%) +++ (>90%) + (<10%) + (<10%) + (<10%)
 Cholinergic interneurons + (<20%) ++ (>80%) – – ++ (>80%)
 PV+ interneurons + (>70%)
 NPY/SOM/NO+ interneuron + (<10%) + (>70%)
 CR+ interneurons + (50%)
Cortex
 L2/3 pyramidal neurons ++ (<20%) + (<10%) + +
 L5/6 pyramidal neurons ++ (20–40%) + (25%) + +
 L2-6 interneurons ++ (30–60%)* + (20%)* + + +
*

For the most part PV+ interneurons