The role of D2-autoreceptors in regulating dopamine neuron activity and transmission.

The role of D2-autoreceptors in regulating dopamine neuron activity and transmission.
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DOI:
10.1016/j.neuroscience.2014.01.025
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发表时间:
2014-12-12
期刊:
影响因子:
3.3
通讯作者:
Ford CP
Ford CP
中科院分区:
医学3区
文献类型:
--
作者:
Ford CP

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多巴胺D2受体在调节多巴胺神经元的活动中起着关键作用,控制多巴胺的合成、释放和摄取。这些Gi/o偶联抑制性受体在形成多巴胺传递中起主要作用。在体树突和轴突部位发现,自受体调节多巴胺神经元的放电模式,并控制从靶区域的终末释放多巴胺的时间和数量。自受体的表达和活性的改变被认为有助于帕金森病以及精神分裂症、药物成瘾和注意缺陷多动障碍(ADHD),这强调了D2-自受体在调节多巴胺系统中的重要性。本文综述了多巴胺自身受体的细胞作用,并讨论了最近的进展,进一步加深了我们对D2受体控制多巴胺传递的机制的理解。
Dopamine D2-autoreceptors play a key role in regulating the activity of dopamine neurons and control the synthesis, release and uptake of dopamine. These Gi/o-coupled inhibitory receptors play a major part in shaping dopamine transmission. Found at both somatodendritic and axonal sites, autoreceptors regulate the firing patterns of dopamine neurons and control the timing and amount of dopamine released from their terminals in target regions. Alterations in the expression and activity of autoreceptors are thought to contribute to Parkinson’s disease as well as schizophrenia, drug addiction and attention deficit hyperactivity disorder (ADHD), which emphasizes the importance of D2-autoreceptors in regulating the dopamine system. This review will summarize the cellular actions of dopamine autoreceptors and discuss recent advances that have furthered our understanding of the mechanisms by which D2-receptors control dopamine transmission.
神经元型特异性信号,用于腹侧对段区域的奖励和惩罚。
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