基于基底外侧杏仁核-屏状核神经环路的社交障碍动物模型构建方法及其应用

By injecting viral vectors containing photosensitive protein or photoinhibitory protein genes into the basolateral amygdala-claustrum neural circuit and applying light stimulation using optical fibers, an animal model of social disorder was constructed. This solved the problem of insufficient mechanism specificity in existing models and enabled precise regulation of social behavior and drug screening.

CN122030335BActive Publication Date: 2026-07-17SHANDONG FIRST MEDICAL UNIV & SHANDONG ACADEMY OF MEDICAL SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG FIRST MEDICAL UNIV & SHANDONG ACADEMY OF MEDICAL SCI
Filing Date
2026-04-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing animal models of social disorders suffer from insufficient mechanism specificity, developmental stage dependence, and poor reproducibility, making it difficult to clarify the direct neural basis of social deficits.

Method used

By injecting viral vectors containing photosensitive protein or photoinhibitory protein genes into the amygdala-claustrum neural circuit on the basolateral side of an animal, and applying light stimulation of specific wavelengths and frequencies using optical fibers, neural projections can be activated or inhibited, thus constructing or alleviating models of social impairment.

Benefits of technology

It achieves precise regulation of social behavior, constructs an animal model with a clear mechanism and verifiable causality, and is used for mechanism research and drug screening of social disorders, without being accompanied by anxiety or changes in motor ability.

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Abstract

本发明提出了一种基于基底外侧杏仁核‑屏状核神经环路的社交障碍动物模型构建方法及其应用,属于动物模型构建技术领域,该方法包括:将携带光敏蛋白基因或光抑制蛋白基因的病毒载体注入动物基底外侧杏仁核中表达胆囊收缩素的神经元或表达CaMKIIα的神经元;在屏状核上方埋置光纤;通过光纤施加第一光刺激以激活基底外侧杏仁核至屏状核的神经投射,得到社交障碍动物模型;或施加第二光刺激以抑制该投射,得到社交障碍缓解动物模型。本发明首次实现了对BLACCK+‑CLA神经环路的特异性光遗传调控,能够精准调控社交行为且不干扰运动及焦虑水平,为社交障碍的机制研究和药物筛选提供了可靠的实验工具。
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