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- Title
Scopoletin ameliorates anxiety-like behaviors in complete Freund's adjuvant-induced mouse model.
- Authors
Luo, Li; Sun, Ting; Yang, Le; Liu, An; Liu, Qing-qing; Tian, Qin-qin; Wang, Yan; Zhao, Ming-gao; Yang, Qi
- Abstract
Anxiety disorder is highly prevalent worldwide and represents a chronic and functionally disabling condition, with high levels of psychological stress characterized by cognitive and physiological symptoms. Scopoletin (SP), a main active compound in Angelica dahurica, is traditionally used for the treatment of headache, rhinitis, pain, and other conditions. Here, we evaluated the effects of SP in a mouse model of complete Freund's adjuvant (CFA)-induced chronic inflammation anxiety. SP (2.0, 10.0, 50.0 mg/kg) administration for 2 weeks dose-dependently ameliorated CFA-induced anxiety-like behaviors in the open field test and elevated plus maze test. Moreover, we found that SP treatment inhibited microglia activation and decreased both peripheral and central IL-1β, IL-6, and TNF-α levels in a dose-dependent manner. Additionally, the imbalance in excitatory/inhibitory receptors and neurotransmitters in the basolateral nucleus after CFA injection was also modulated by SP administration. Our findings indicate that the inhibition of the nuclear factor-kappa B and mitogen-activated protein kinase signaling pathways involving anti-inflammatory activities and regulation of the excitatory/inhibitory balance can be attributed to the anxiolytic effects of SP. Moreover, our molecular docking analyses show that SP also has good affinity for gamma-aminobutyric acid (GABA) transaminase and GABAA receptors. Therefore, these results suggest that SP could be a candidate compound for anxiolytic therapy and for use as a structural base for developing new drugs.
- Subjects
SCOPOLETIN; NF-kappa B; PROTEIN kinase B; MITOGEN-activated protein kinases; GABA; GLYCINE receptors; MITOGEN-activated protein kinase phosphatases
- Publication
Molecular Brain, 2020, Vol 13, Issue 1, p1
- ISSN
1756-6606
- Publication type
Article
- DOI
10.1186/s13041-020-0560-2