Cited by 106Gut microbiota and healthInflammasome and immune disordersNeuroinflammation and Neurodegeneration Mechanisms

Intestinal dysbiosis mediates cognitive impairment via the intestine and brain NLRP3 inflammasome activation in chronic sleep deprivation

Zhao, Na, Chen, Qiu-Gu, Chen, Xiu, Liu, Xue-Ting, Geng, Fan, Zhu, Meng-Meng, Yan, Fu-Ling, Zhang, Zhi-Jun +1 more·2023·Brain, Behavior, and Immunity

Abstract

Growing evidence suggests the involvement of the microbiota-gut-brain axis in cognitive impairment induced by sleep deprivation (SD), however how the microbiota-gut-brain axis work remains elusive. Here, we discovered that chronic SD induced intestinal dysbiosis, activated NLRP3 inflammasome in the colon and brain, destructed intestinal/blood-brain barrier, and impaired cognitive function in mice. Transplantation of "SD microbiota" could almost mimic the pathological and behavioral changes caused by chronic SD. Furthermore, all the behavioral and pathological abnormalities were practically reversed in chronic sleep-deprived NLRP3-/- mice. Regional knockdown NLRP3 expression in the gut and hippocampus, respectively. We observed that down-regulation of NLRP3 in the hippocampus inhibited neuroinflammation, and ameliorated synaptic dysfunction and cognitive impairment induced by chronic SD. More intriguingly, the down-regulation of NLRP3 in the gut protected the intestinal barrier, attenuated the levels of peripheral inflammatory factors, down-regulated the expression of NLRP3 in the brain, and improved cognitive function in chronic SD mice. Our results identified gut microbiota as a driver in chronic SD and highlighted the NLRP3 inflammasome as a key regulator within the microbiota-gut-brain axis.

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Crossref · 10.1016/j.bbi.2022.11.013

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Authors
Zhao, N., Chen, Q.-G., Chen, X., Liu, X.-T., Geng, F., Zhu, M.-M., Yan, F.-L., Zhang, Z.-J., & Ren, Q.-G.
Affiliations
Zhongda Hospital Southeast University (CN)
Venue
Brain, Behavior, and Immunity
Publisher
Elsevier BV
Published
2023-02
Volume
108
Pages
98-117
ISSN
0889-1591 (ISSN-L)
OpenAlex
W4309880386
Cited by
105
References
59
Citations by year
2026: 37 · 2025: 34 · 2024: 28 · 2023: 6
FWCI
5.63
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Behavior and Immunity (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
gut dysbiosis, microbiota-gut-brain axis, NLRP3 inflammasome, chronic sleep deprivation, cognitive impairment, blood-brain barrier, intestinal barrier, neuroinflammation, synaptic dysfunction, hippocampus, gut microbiota transplantation, peripheral inflammation
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Animals, Hippocampus, Intestines, Sleep Deprivation, Mice, Inflammasomes, Cognitive Dysfunction, Dysbiosis

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