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- Title
Amygdala neural ensemble mediates mouse social investigation behaviors.
- Authors
Wei, Ji-an; Han, Qing; Luo, Zhihua; Liu, Linglin; Cui, Jing; Tan, Jiahui; Chow, Billy K C; So, Kwok-Fai; Zhang, Li
- Abstract
Innate social investigation behaviors are critical for animal survival and are regulated by both neural circuits and neuroendocrine factors. Our understanding of how neuropeptides regulate social interest, however, is incomplete at the current stage. In this study, we identified the expression of secretin (SCT) in a subpopulation of excitatory neurons in the basolateral amygdala. With distinct molecular and physiological features, BLASCT+ cells projected to the medial prefrontal cortex and were necessary and sufficient for promoting social investigation behaviors, whilst other basolateral amygdala neurons were anxiogenic and antagonized social behaviors. Moreover, the exogenous application of secretin effectively promoted social interest in both healthy and autism spectrum disorder model mice. These results collectively demonstrate a previously unrecognized group of amygdala neurons for mediating social behaviors and suggest promising strategies for social deficits.
- Subjects
NEURAL circuitry; AUTISM spectrum disorders; AMYGDALOID body; PREFRONTAL cortex; MICE
- Publication
National Science Review, 2023, Vol 10, Issue 1, p1
- ISSN
2095-5138
- Publication type
Article
- DOI
10.1093/nsr/nwac179