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Evaluation of potential antidepressant-like activity of chalcone-1203 in various murine experimental depressant
Li-Ping Guan1, Li-Ming Tang, Cheng-Yan Pan
1Zhejiang Provincial Key Engineering Technology Research Center of Marine Biomedical Products, Food and Pharmacy College, Zhejiang Ocean University, Zhejiang, 316000, Zhoushan, People's Republic of China, glp730@zjou.edu.cn.
Abstract:
Two classic animal behavior despair tests-the forced swimming test (FST) and the tail suspension test (TST) were used to evaluate antidepressant-like activity of a new chalcone compound, chalcone-1203 in mice. It was observed that chalcone-1203 at dose of 1, 5, and 10 mg/kg significantly reduced the immobility time in the FST and TST in mice 30 min after treatment. In addition, chalcone-1203 was found to exhibit significant oral activity in the FST in mice. It also produced a reduction in the ambulation in the open-field test in mice not previously habituated to the arena, but no effect in the locomotor activity in mice previously habituated to the open-field. The main monoamine neurotransmitters and their metabolites in mouse brain regions were also simultaneously determined by HPLC-ECD. It was found that chalcone-1203 significantly increased the concentrations of the main neurotransmitters 5-HT and NE in the hippocampus, hypothalamus and cortex. Chalcone-1203 also significantly reduced the ratio of 5-HIAA/5-HT in the hippocampus and cortex, shown down 5-HT metabolism compared with mice treated with stress vehicle. In conclusion, chalcone-1203 produced significant antidepressant-like activity, and the mechanism of action may be due to increased 5-HT and NE in the mouse hippocampus and cortex.
