Getting specialized: presynaptic and postsynaptic dopamine D2 receptors.
Getting specialized: presynaptic and postsynaptic dopamine D2 receptors.
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DOI:
10.1016/j.coph.2008.12.002
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发表时间:
2009-02
影响因子:
4
通讯作者:
Borrelli E
中科院分区:
文献类型:
--
作者:
De Mei C;Ramos M;Iitaka C;Borrelli E
Dopamine (DA) signaling controls many physiological functions ranging from locomotion to hormone secretion, and plays a critical role in addiction. DA elevation, for instance in the response to drugs of abuse, simultaneously activates neurons expressing different DA receptors; how responses from diverse neurons/receptors are orchestrated in the generation of behavioral and cellular outcomes, is still not completely defined. Signaling from DA D2 receptors (D2Rs) is a good example to illustrate this complexity. D2Rs have presynaptic and postsynaptic localization and functions, which are shared by two isoforms in vivo. Recent results from knockout mice are clarifying the role of site and D2 isoform-specific effects thereby increasing our understanding of how DA modulates neuronal physiology.
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