PMID:17426594

Citation	Hiramoto, T, Kanda, Y, Satoh, Y, Takishima, K and Watanabe, Y (2007) Dopamine D2 receptor stimulation promotes the proliferation of neural progenitor cells in adult mouse hippocampus. Neuroreport 18:659-64
Abstract	We initially examined the effects of apomorphine in vitro using mouse embryonic and adult neural progenitor cells. The effects of apomorphine treatment led to dose-dependent increases in the number of embryonic and adult neural progenitor cells, and dopamine D2 receptor antagonist treatment significantly reduced the increases induced by apomorphine. Next, we investigated the effects of apomorphine in vivo in the adult mouse hippocampus. The effects of single-dose apomorphine administration led to an increase of approximately 30% in the number of bromodeoxyuridine-positive cells in the dentate gyrus. Moreover, the chronic apomorphine administration induced an increase in the number of bromodeoxyuridine-positive cells by about 30%. Thus, we suggest that the stimulation of dopamine D2 receptors increases the proliferation of neural progenitor cells both in vivo and in vitro.
Links	PubMed Online version:10.1097/WNR.0b013e3280bef9d3
Keywords	Animals; Apomorphine/pharmacology; Cell Proliferation/drug effects; Dopamine Agonists/pharmacology; Dopamine Antagonists/pharmacology; Hippocampus/drug effects; Hippocampus/metabolism; Immunohistochemistry; Mice; Neurons/drug effects; Neurons/metabolism; Receptors, Dopamine D2/drug effects; Receptors, Dopamine D2/metabolism; Stem Cells/drug effects; Stem Cells/metabolism
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