Structural organization of the dendritic reticulum linked by gap junctions in layer 4 of the visual cortex

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• 作者：Takaichi Fukuda ^{tfukuda@kumamoto-u.ac.jp}
• 关键词：CLSM ; confocal laser scanning light microscopy ; Cx36 ; connexin 36 ; DAB ; diaminobenzidine ; EM ; electron microscopy ; FS ; fast-spiking ; GAD ; glutamic acid decarboxylase ; PB ; phosphate buffer ; PBS ; phosphate-buffered saline ; PV ; parvalbumin ; VGluT2 ; vesicular glutamate transporter 2
• 刊名：Neuroscience
• 出版年：2017
• 出版时间：6 January 2017
• 年：2017
• 卷：340
• 期：Complete
• 页码：76-90
• 全文大小：7877 K
• 卷排序：340

文摘

Parvalbumin-positive GABAergic neurons in layer 4 of the visual cortex form dendritic reticulum linked by gap junctions. The dendritic reticulum exhibits a preference for vertical connectivity, suggesting interaction within a column-like space. The dendritic reticulum does not have lateral boundaries, indicating horizontal continuity of gap junction-coupled linkages. At least one of two somata connected by dendritic gap junctions is located within 50 μm from the junction in most cases. Layer 4 parvalbumin neurons receive dense thalamic inputs on soma, suggesting feedforward influence on gap junction network.