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Antidepressant-like Effects of Flavonoids from Pteridium aquilinum ***

Medicinal Plant 2023年第1期14卷 55-63页

作者： Zimeng FENG Xiang HAN Shuangli LIU Xiaohui WANG Research Center of Agricultural Environment and Resources Jilin Academy of Agricultural SciencesChangchun 130033China National&Local Joint Engineering Research Center for Ginseng Breeding and Application Jilin Agricultural UniversityChangchun 130033China

[Objectives]To explore the antidepressant-like effects of PAFL and its potential mechanisms.[Methods]This study used PAFL in mice under various conditions and analyzed the *** antidepressant-like effects of flavonoids from Pteridium aquilinum(PAFL)and its possible action mechanism were discussed.[Results]PAFL(5 mg/kg,i.p.)exhibited markedly antidepressant-like activities,which could be reversed by treatment with p-chlorophenylalanine(an inhibitor of 5-HT synthesis),haloperidol(a non-selective D 2 receptor antagonist)and N-methyl-D-aspartic acid(an agonist at the glutamate site).Meanwhile,PAFL also effectively increased the hippocampus 5-HT,DA,and Glu levels of mice exposed to TST and *** lps-induced antidepressant behavioral experiment showed that PAFL(1 and 5 mg/kg,i.p.)and fluoxetine(20 mg/kg,i.p.)effectively reduced the immobility time,and increase activity time in *** pretreatment significantly reduced IL-6 and TNF-αserum levels and improve the changes of hippocampal SOD and MDA oxidative stress ***,PAFL preconditioning could up-regulate BDNF and TrκB contents in hippocampus and down-regulate IκB-αand NF-κB phosphorylation.[Conclusions]The antidepressant-like effects of PAFL might be mediated by the 5-HT,DAergic and Gluergic systems,and the mechanisms of anti-depressant effects of PAFL might be via the alterations of animal behaviors,hippocampus inflammation and neurotrophy,which might be attributed by the BDNF/TrκB/NF-κB signaling pathway.

关键词： Pteridium aquilinum var.latiusculum Central nervous system lps-induced depression Inflammation Neurotrophy

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