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Abstract Title:

Paeonol attenuates lipopolysaccharide-induced depressive-like behavior in mice.

Abstract Source:

Psychiatry Res. 2016 Apr 30 ;238:116-121. Epub 2016 Feb 17. PMID: 27086220

Abstract Author(s):

Weiwei Tao, Hanqing Wang, Qiang Su, Yanyan Chen, Wenda Xue, Baomei Xia, Jinao Duan, Gang Chen

Article Affiliation:

Weiwei Tao

Abstract:

The present study was designed to detect the anti-depressant effects of paeonol and the possible mechanisms in the lipopolysaccharide-induced depressive-like behavior. Open-field test(OFT), tail suspension test(TST) and forced swimming test(FST) were used to evaluate the behavioral activity. The contents of 5-hydroxytryptamine (5-HT) and norepinephrine (NE) in mice hippocampus were determined by HPLC-ECD. Serum interleukin (IL)-1β, IL-6 and tumor necrosis factor (TNF)-α levels were evaluated by enzyme-linked immunosorbent assay (ELISA). Our results showed that LPS significantly decreased the levels of 5-HT and NE in the hippocampus. LPS also reduced open-field activity, as well as increased immobility duration in FST andTST. Paeonol administration could effectively reverse the alterations in the concentrations of 5-HT, NE and reduce the IL-6 and TNF-α levels. Moreover, paeonol effectively downregulated brain-derived neurotrophic factor (BDNF), tropomyosin-related kinase B (TrkB) and Nuclear factor-κB (NF-κB) inhippocampal. In conclusion, paeonol administration exhibited significant antidepressant-like effects in mice with LPS-induced depression.

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