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. 2023 Jul 7;9:100212. doi: 10.1016/j.prdoa.2023.100212

Table 3.

Dopamine Receptor Expressiona Throughout Brain Regions of Interest.

Receptor Dorsal striatum Ventral striatum Cortex Hippocampus Thalamus Hypothalamus Cerebellum Hindbrain
D1[20], [55], [56], [58] +++ +++ ++ ++ + + – +
D2[20], [54], [55], [56], [59] +++ +++ + + +/- ++ – +++
D3[20], [57] + +++ +/- + + + + +
D4[61] +++ ++ + +++ ++ ++ + +
D5[20], [54], [60], [116] ++ + +++ +++ + + + +
a

Comparisons of expression are relative to expression of each receptor across other regions, and do not necessarily indicate relative expression of receptors in comparison to each other.