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Gegen Qinlian decoction alleviates depression-like behavior by modulating the gut microenvironment in CUMS rats

Authors
 Yaqin Peng  ;  Yao Du  ;  Yuanyuan Zhang  ;  Ze Wang  ;  Tao Hu  ;  Yuning Mai  ;  Hongxiu Song  ;  Weichao Pan  ;  Qinglong Cai  ;  Feifei Ge  ;  Yu Fan  ;  Hee Young Kim  ;  Dekang Liu  ;  Xiaowei Guan 
Citation
 BMC COMPLEMENTARY MEDICINE AND THERAPIES, Vol.24(1) : 339, 2024-09 
Journal Title
BMC COMPLEMENTARY MEDICINE AND THERAPIES
ISSN
 * 
Issue Date
2024-09
MeSH
Animals ; Behavior, Animal / drug effects ; Depression* / drug therapy ; Disease Models, Animal* ; Drugs, Chinese Herbal* / pharmacology ; Gastrointestinal Microbiome* / drug effects ; Male ; Rats ; Rats, Sprague-Dawley* ; Stress, Psychological / drug therapy
Keywords
Colon metabolites ; Depression ; Gegen Qinlian decoction ; Gut bacteria
Abstract
BackgroundGegen Qinlian Decoction (GQD) is a classical traditional Chinese medicine (TCM) formula primarily utilized for treating gut disorders. GQD showed therapeutic effects on several diseases in clinical and animal studies by targeting gut microbes. Our recent studies also found that GQD efficiently alleviated anxiety in methamphetamine-withdrawn mice via regulating gut microbiome and metabolism. Given that various studies have indicated the link between the gut microbiome and the development of depression, here we endeavor to explore whether GQD can manage depression disorders by targeting the gut microbiome.Methods and materialsThe depression-like model was induced in rats through chronic unpredictable mild stress (CUMS) and the depression levels were determined using the sucrose preference test (SPT). To address the depression-like behavior in rats, oral administration of GQD was employed. The colon microbiome and metabolite patterns were determined by 16s rRNA sequencing and untargeted metabolomics, respectively.ResultsWe found 6 weeks of CUMS can induce depression-like behavior in rats and 4 weeks of GQD treatment can significantly alleviate the depression-like behavior. GQD treatment can also ameliorate the histological lesions in the colon of CUMS rats. Then, CUMS increased the abundance of gut microbes, while GQD treatment can restore it to a lower level. We further discovered that the abundances of 19 bacteria at the genus level were changed with CUMS treatment, among which the abundances of Ruminococcus, Lachnoclostridium, Pygmaiobacter, Bacteroides, Pseudomonas, and Pseudomonas Family_XIII_AD3011_group were stored by GQD treatment. Besides, we identified the levels of 36 colon metabolites were changed with CUMS treatment, among which the levels of Fasciculic acid B, Spermine, Fludrocortisone acetate, alpha-Ketoglutaric acid, 2-Oxoglutaric acid, N'-(benzoyloxy)-2-(2,2-dichlorocyclopropyl) ethanimidamide, N6-Succinyl Adenosine Oleanolic acid, KQH, Ergosta-5,7,9(11),22-Tetraen-3-beta-Ol, Gentisic acid, 4-Hydroxyretinoic Acid, FAHFA (3:0/16:0), Leucine-enkephalin and N-lactoyl-phenylalanine can be restored by GQD treatment.ConclusionOur findings provide evidence supporting the therapeutic efficacy of GQD in alleviating depression-like behavior in CUMS rats, potentially being targeted on colon bacteria (especially the abundance of Ruminococcus and Bacteroides) and metabolites (especially the level of Oleanolic acid).
Files in This Item:
T202406022.pdf Download
DOI
10.1186/s12906-024-04638-4
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Physiology (생리학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hee Young(김희영) ORCID logo https://orcid.org/0000-0002-2495-9115
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/200856
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