Divergent Projection Patterns Revealed by Reconstruction of Individual Neurons in Orbitofrontal Cortex

Divergent Projection Patterns Revealed by Reconstruction of Individual Neurons in Orbitofrontal Cortex
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眶额皮层单个神经元的重建揭示了不同的投射模式

DOI:
10.1007/s12264-020-00616-1
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发表时间:
2020-12
期刊:
Neurosci. Bull.
影响因子:
--
通讯作者:
Yu-Hui Zhang
Yu-Hui Zhang
中科院分区:
其他
文献类型:
--
作者:
Junjun Wang;Pei Sun;Xiaohua Lv;Sen Jin;Anan Li;Jianxia Kuang;Ning Li;Yadong Gang;Rui Guo;Shaoqun Zeng;Fuqiang Xu;Yu-Hui Zhang

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眶额皮质(orbitofrontalcortex,OFC)通过向多个靶区的广泛投射参与多种脑功能。在群体水平上对眶额皮层的总体输出有了越来越多的了解,但关于单个眶额皮层神经元在不同皮层层的投射模式的报道仍然很少。在这里,通过将神经元稀疏和明亮标记与全脑荧光成像系统(fMOST)相结合,我们获得了不间断的三维全脑数据集,并实现了25个OFC锥体神经元的完整形态重建。我们比较了这些单个眶额皮层神经元在不同皮层层以及在同一皮层层的全脑投射目标。我们发现皮质层依赖的预测的特点是不同的模式,信息传递。我们的研究不仅为理解眶额皮层的层状组织原理提供了结构基础,而且为将来对眶额皮层锥体神经元的功能和行为研究提供了线索。
The orbitofrontal cortex (OFC) is involved in diverse brain functionsviaits extensive projections to multiple target regions. There is a growing understanding of the overall outputs of the OFC at the population level, but reports of the projection patterns of individual OFC neurons across different cortical layers remain rare. Here, by combining neuronal sparse and bright labeling with a whole-brain florescence imaging system (fMOST), we obtained an uninterrupted three-dimensional whole-brain dataset and achieved the full morphological reconstruction of 25 OFC pyramidal neurons. We compared the whole-brain projection targets of these individual OFC neurons in different cortical layers as well as in the same cortical layer. We found cortical layer-dependent projections characterized by divergent patterns for information delivery. Our study not only provides a structural basis for understanding the principles of laminar organizations in the OFC, but also provides clues for future functional and behavioral studies on OFC pyramidal neurons.
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