Subcellular connectivity underlies pathway-specific signaling in the nucleus accumbens.

Subcellular connectivity underlies pathway-specific signaling in the nucleus accumbens.
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DOI:
10.1038/nn.3254
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发表时间:
2012-12
影响因子:
25
通讯作者:
Carter, Adam G.
Carter, Adam G.
中科院分区:
医学1区
文献类型:
--
作者:
MacAskill, Andrew F.;Little, Justin P.;Cassel, John M.;Carter, Adam G.

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我们发现,小鼠伏隔核(NAc)的直接和间接通路中的中型棘神经元(MSNs)接受来自皮层、丘脑和海马的输入。然而,海马输入到间接MSN上要弱得多,在那里它们接触位于远端树突中的小棘。这种选择性靶向意味着这些输入必须通过阈下去极化来门控,以触发动作电位并影响NAc输出。
We found that medium spiny neurons (MSNs) in both the direct and indirect pathways of the mouse Nucleus Accumbens (NAc) receive inputs from the cortex, thalamus and hippocampus. However, hippocampal inputs are much weaker onto indirect MSNs, where they contact small spines located in the distal dendrites. This selective targeting means these inputs must be gated by subthreshold depolarization in order to trigger action potentials and influence NAc output.
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