Lacticaseibacillus rhamnosus TF318 prevents depressive behavior in rats by inhibiting HPA-axis hyperactivity and upregulating BDNF expression
文献类型： 外文期刊
作者： Zhao, Yujuan 1 ; Kang, You 1 ; Zhao, Zijian 1 ; Yang, Ge 1 ; Gao, Yansong 1 ; Gao, Lei 1 ; Wang, Chao 1 ; Li, Shengyu 1 ;
作者机构： 1.Jilin Acad Agr Sci, Inst Agr Prod Proc Technol, Natl R&D Ctr Milk Proc, Changchun 130033, Peoples R China
关键词： Depression; L. rhamnosus; Microbiota-gut-brain axis; Brain -derived neurotrophic factor
期刊名称：NEUROSCIENCE LETTERS （ 影响因子：2.5； 五年影响因子：2.8 ）
ISSN： 0304-3940
年卷期： 2023 年 814 卷
页码：
收录情况： SCI
摘要： Growing evidence suggests that probiotics can ameliorate depression by regulating the microbiota-gut-brain axis. However, the mechanism of action of probiotics in depressive disorders remains incompletely understood. This study aimed to investigate the effect of Lacticaseibacillus rhamnosus TF318 in a corticosterone (CORT)-induced rat model of depression. The sucrose preference test (SPT) and Morris water maze (MWM) test showed that oral administration of L. rhamnosus TF318 for 21 d significantly prevented depressive behaviors. Administration of L. rhamnosus TF318 resulted in lower hippocampal levels of adrenocorticotropic hormone and corticotropinreleasing factor and serum levels of CORT and restoration of hippocampal levels of 5-hydroxytryptamine, dopamine, and norepinephrine. A marked increase was observed in the hippocampal concentration of brainderived neurotrophic factor (BDNF), a change that may have involved the cyclic adenosine monophosphate (cAMP)/cAMP response element-binding (CREB)/BDNF signaling pathway. Treatment with L. rhamnosus TF318 corrected CORT-induced abnormalities in the gut microbiota, significantly increasing the relative abundance of Firmicutes. In conclusion, supplementation with L. rhamnosus TF318 prevented CORT-induced depressive behaviors by upregulating BDNF expression and modulating gut microbiota, suggesting that this strain has the potential as a novel probiotic with antidepressant effects.
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