Whole-brain Mapping of Inputs and Outputs of Specific Orbitofrontal Cortical Neurons in Mice.
10.1007/s12264-024-01229-8
- Author:
Yijie ZHANG
1
;
Wen ZHANG
1
;
Lizhao WANG
1
;
Dechen LIU
1
;
Taorong XIE
1
;
Ziwei LE
1
;
Xiangning LI
2
;
Hui GONG
2
;
Xiao-Hong XU
1
;
Min XU
1
;
Haishan YAO
3
Author Information
1. Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031, China.
2. HUST-Suzhou Institute for Brainsmatics, JITRI, Suzhou, 215123, China.
3. Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031, China. haishanyao@ion.ac.cn.
- Publication Type:Journal Article
- Keywords:
Anterograde transsynaptic virus tracing;
Inhibitory neurons;
Orbitofrontal cortex;
Projection specific;
Rabies virus retrograde tracing
- MeSH:
Animals;
Neurons/physiology*;
Mice;
Prefrontal Cortex/cytology*;
Parvalbumins/metabolism*;
Brain Mapping/methods*;
Neural Pathways/physiology*;
Somatostatin/metabolism*;
Male;
Interneurons/physiology*;
Mice, Inbred C57BL;
Thalamus/physiology*;
Mice, Transgenic
- From:
Neuroscience Bulletin
2024;40(11):1681-1698
- CountryChina
- Language:English
-
Abstract:
The orbitofrontal cortex (ORB), a region crucial for stimulus-reward association, decision-making, and flexible behaviors, extensively connects with other brain areas. However, brain-wide inputs to projection-defined ORB neurons and the distribution of inhibitory neurons postsynaptic to neurons in specific ORB subregions remain poorly characterized. Here we mapped the inputs of five types of projection-specific ORB neurons and ORB outputs to two types of inhibitory neurons. We found that different projection-defined ORB neurons received inputs from similar cortical and thalamic regions, albeit with quantitative variations, particularly in somatomotor areas and medial groups of the dorsal thalamus. By counting parvalbumin (PV) or somatostatin (SST) interneurons innervated by neurons in specific ORB subregions, we found a higher fraction of PV neurons in sensory cortices and a higher fraction of SST neurons in subcortical regions targeted by medial ORB neurons. These results provide insights into understanding and investigating the function of specific ORB neurons.
