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Abstract Title:

Anti-depressant-like effect of atractylenolide I in a mouse model of depression induced by chronic unpredictable mild stress.

Abstract Source:

Exp Ther Med. 2018 Feb ;15(2):1574-1579. Epub 2017 Nov 16. PMID: 29434743

Abstract Author(s):

Haiyan Gao, Xianghua Zhu, Yang Xi, Qun Li, Zhenzhong Shen, Yongjie Yang

Article Affiliation:

Haiyan Gao

Abstract:

Atractylenolide I (AT-I), a major component of the rhizoma ofKoidz., exerts a wide range of activities. The purpose of the present study was to investigate the anti-depressant-like effect of AT-I in a mouse model of chronic unpredictable mild stress (CUMS), and to explore the possible molecular mechanism involved. It was revealed that AT-I significantly ameliorated CUMS-induced depressive-like behaviors, as evidenced by increased sucrose preference as well as shortened immobility time in the forced swimming and the tail suspension test. In addition, AT-I reduced CUMS-induced decreases in the concentrations of serotonin and norepinephrine in the hippocampus. Furthermore, AT-I inhibited the activation of the nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome as well as the concentration of the pro-inflammatory cytokine interleukin (IL)-1β in the hippocampi of mice subjected to CUMS. In conclusion, the results of the present study suggested that AT-I exerts anti-depressant-like effects in a CUMS-induced model of depression in mice, the molecular mechanism of which is associated with the inhibition of NLRP3 inflammasome activation to decrease IL-1β production.

Study Type : Animal Study
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