Capturing and Manipulating Activated Neuronal Ensembles with CANE Delineates a Hypothalamic Social-Fear Circuit

Date

2016-11-23

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Sakurai, Katsuyasu
Zhao, Shengli
Takatoh, Jun
Rodriguez, Erica
Lu, Jinghao
Leavitt, Andrew D
Fu, Min
Han, Bao-Xia
Wang, Fan

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Abstract

© 2016 Elsevier Inc.We developed a technology (capturing activated neuronal ensembles [CANE]) to label, manipulate, and transsynaptically trace neural circuits that are transiently activated in behavioral contexts with high efficiency and temporal precision. CANE consists of a knockin mouse and engineered viruses designed to specifically infect activated neurons. Using CANE, we selectively labeled neurons that were activated by either fearful or aggressive social encounters in a hypothalamic subnucleus previously known as a locus for aggression, and discovered that social-fear and aggression neurons are intermixed but largely distinct. Optogenetic stimulation of CANE-captured social-fear neurons (SFNs) is sufficient to evoke fear-like behaviors in normal social contexts, whereas silencing SFNs resulted in reduced social avoidance. CANE-based mapping of axonal projections and presynaptic inputs to SFNs further revealed a highly distributed and recurrent neural network. CANE is a broadly applicable technology for dissecting causality and connectivity of spatially intermingled but functionally distinct ensembles.

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Published Version (Please cite this version)

10.1016/j.neuron.2016.10.015

Publication Info

Sakurai, Katsuyasu, Shengli Zhao, Jun Takatoh, Erica Rodriguez, Jinghao Lu, Andrew D Leavitt, Min Fu, Bao-Xia Han, et al. (2016). Capturing and Manipulating Activated Neuronal Ensembles with CANE Delineates a Hypothalamic Social-Fear Circuit. Neuron, 92(4). pp. 739–753. 10.1016/j.neuron.2016.10.015 Retrieved from https://hdl.handle.net/10161/13276.

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Scholars@Duke

Wang

Fan Wang

Adjunct Professor in the Department of Neurobiology

My lab studies neural circuit basis of sensory perception. 
Specifically we are interested in determining neural circuits underlying (1) active touch sensation including tactile processing stream and motor control of touch sensors on the face; (2) pain sensation including both sensory-discriminative and affective aspects of pain; and (3) general anesthesia including the active pain-suppression process. We use a combination of genetic, viral, electrophysiology, and in vivo imaging (in free-moving animals) techniques to study these questions.


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