Modulation of striatal projection systems by dopamine.

Modulation of striatal projection systems by dopamine.
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DOI:
10.1146/annurev-neuro-061010-113641
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发表时间:
2011
影响因子:
13.9
通讯作者:
Surmeier DJ
Surmeier DJ
中科院分区:
医学1区
文献类型:
--
作者:
Gerfen CR;Surmeier DJ

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基底节是一系列促进动作选择的皮质下核团。纹状体的直接通路和间接通路构成了基底节回路的功能主干。20年前,有人提出纹状体利用多巴胺(DA)的升降来控制动作选择的能力是由于直接和间接通路棘突投射神经元中的D_1和D_2 DA受体的分离。尽管这引发了一场辩论,但此后积累的证据显然支持这一模式。特别是,用光学或分子记者标记神经回路的方法的最新进展揭示了这两种细胞类型在分子、解剖和生理水平上的明确二分法。这些研究提供的对比研究为纹状体如何对DA信号的波动做出反应,以及改变该信号的疾病如何改变纹状体功能提供了新的见解。
The basal ganglia are a chain of subcortical nuclei that facilitate action selection. Striatal direct and indirect pathways form the functional backbone of the basal ganglia circuit. Twenty years ago it was proposed that the ability of the striatum to use the rise and fall of dopamine (DA) to control action selection was due to the segregation of D1 and D2 DA receptors in direct and indirect pathway spiny projection neurons. Although this sparked a debate, the evidence accumulated since clearly supports this model. In particular, recent advances in the means of marking neural circuits with optical or molecular reporters has revealed a clear-cut dichotomy between these two cell types at the molecular, anatomical and physiological levels. The contrast provided by these studies has provided new insights into how the striatum responds to fluctuations in DA signaling and how diseases that alter this signaling change striatal function.
纹状体培养基神经元的功能连接组。
DOI: 10.1523/jneurosci.3833-10.2011
发表时间: 2011-01-26
期刊: The Journal of neuroscience : the official journal of the Society for Neuroscience
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