Cited by 263Gut microbiota and healthTryptophan and brain disordersGastrointestinal motility and disorders

Gut microbiota from NLRP3-deficient mice ameliorates depressive-like behaviors by regulating astrocyte dysfunction via circHIPK2

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Zhang, Yuan, Huang, Rongrong, Cheng, Mengjing, Wang, Lirui, Chao, Jie, Li, Junxu, Zheng, Peng, Xie, Peng +2 more·2019·Microbiome

Abstract

BACKGROUND: Inflammasomes have been found to interact with the gut microbiota, and this effect is associated with depression, but the mechanisms underlying this interaction have not been elucidated in detail. RESULTS: The locomotor activity of NLRP3 KO mice was significantly greater than that of their WT littermates, while cohousing and transplantation of the NLRP3 KO gut microbiota avoid the effects of NLRP3 KO on the general locomotor activity at baseline. Meanwhile, transplantation of the NLRP3 KO microbiota alleviated the CUS-induced depressive-like behaviors. The compositions of the gut microbiota in NLRP3 KO mice and WT mice were significantly different in terms of the relative abundance of Firmicutes, Proteobacteria, and Bacteroidetes. Fecal microbiota transplantation (FMT) from NLRP3 KO mice significantly ameliorated the depressive-like behavior induced by chronic unpredictable stress (CUS) in recipient mice. Given the correlation between circular RNA HIPK2 (circHIPK2) and depression and the observation that the level of circHIPK2 expression was significantly increased in CUS-treated mice compared with that in the control group, further experiments were performed. FMT significantly ameliorated astrocyte dysfunction in recipient mice treated with CUS via inhibition of circHIPK2 expression. CONCLUSIONS: Our study illustrates the involvement of the gut microbiota-circHIPK2-astrocyte axis in depression, providing translational evidence that transplantation of the gut microbiota from NLRP3 KO mice may serve as a novel therapeutic strategy for depression.

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Authors
Zhang, Y., Huang, R., Cheng, M., Wang, L., Chao, J., Li, J., Zheng, P., Xie, P., Zhang, Z., & Yao, H.
Affiliations
  • Southeast University (CN)
  • China Pharmaceutical University (CN)
  • The Affiliated Yongchuan Hospital of Chongqing Medical University (CN)
  • Zhongda Hospital Southeast University (CN)
  • Nantong University (CN)
Corresponding author
Yao, Honghong
Venue
Microbiome
Published
2019-08-22
Volume
7
Issue
1
Pages
116-116
ISSN
2049-2618 (ISSN-L)
OpenAlex
W2969822493
Cited by
263
References
48
Citations by year
2026: 17 · 2025: 36 · 2024: 46 · 2023: 47 · 2022: 55 · 2021: 38 · 2020: 24
FWCI
9.67
Type
journal article
Language
en
Open access
Locations
  • Microbiome (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (2017YFA0104303, 81603090, 81761138048, 81673410)
  • Government of Jiangsu Province
  • National Key Research and Development Program of China (2017YFA0104303)
  • Fundamental Research Funds for the Central Universities (2242019, 2017YFA0104303)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
gut microbiota, NLRP3 inflammasome, depression, depression-like behavior, astrocyte dysfunction, circular RNA, fecal microbiota transplantation, chronic unpredictable mild stress, locomotor activity, depression treatment
MeSH terms
Gastrointestinal Microbiome, Fecal Microbiota Transplantation, NLR Family, Pyrin Domain-Containing 3 Protein, Animals, Astrocytes, Behavior, Animal, Depression, Male, Mice, Inbred C57BL, Protein Serine-Threonine Kinases, Mice

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