期刊
CELL DEATH DISCOVERY
卷 7, 期 1, 页码 -出版社
SPRINGERNATURE
DOI: 10.1038/s41420-021-00559-0
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资金
- National Natural Science Foundation of China [82001378]
- Chongqing Postgraduate Research Innovation Project [CYB19143]
The study identified an increase in Klebsiella pneumoniae in the gut of epilepsy patients, impacting seizure susceptibility and activating microglial cells to release inflammatory factors. The inflammatory response of microglial cells plays a protective role against seizure susceptibility caused by an increased abundance of Klebsiella pneumoniae.
Epilepsy is a common nervous system disease, and the existing theory does not fully clarify its pathogenesis. Recent research suggests that intestinal microbes may be involved in the development of epilepsy, but which microbe is involved remains unclear. We used 16s rRNA sequencing to identify the most relevant gut microbe. To determine the relationship between this microbe and epilepsy, we used an animal model. In addition, western blotting and immunofluorescence, as well as inhibitor studies, were used to evaluate and confirm the role of microglia in this process. In this study, we first report an increase in gut Klebsiella pneumoniae in patients with epilepsy. Subsequently, animal studies revealed that Klebsiella pneumoniae in the intestinal tract affects seizure susceptibility and activates microglial cells to release inflammatory factors. Furthermore, the inflammatory response of microglial cells plays a protective role in the seizure susceptibility caused by an increased abundance of Klebsiella pneumoniae. Our results suggest that gut disruption may be involved in seizure regulation and microglia protect the brain against seizure under this condition. These findings provide a new perspective for research on the pathogenesis and prevention of epilepsy.
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