Journal
CNS NEUROSCIENCE & THERAPEUTICS
Volume 29, Issue 2, Pages 633-645Publisher
WILEY
DOI: 10.1111/cns.14043
Keywords
gut microbiota; hydrogen gas (H-2); hydrogen-rich water (HW); molecular hydrogen treatment; sepsis-associated encephalopathy (SAE)
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The study found that treatment with molecular hydrogen can improve the functional outcome of sepsis-associated encephalopathy (SAE) in mice by increasing beneficial bacteria, repressing harmful bacteria, improving metabolic disorder, and reducing inflammation.
IntroductionIn our experiments, male wild-type mice were randomly divided into four groups: the sham, SAE, SAE + 2% hydrogen gas inhalation (H-2), and SAE + hydrogen-rich water (HW) groups. The feces of the mice were collected for 16 S rDNA analysis 24 h after the models were established, and the serum and brain tissue of the mice were collected for nontargeted metabolomics analysis. AimDestruction of the intestinal microbiota is a risk factor for sepsis and subsequent organ dysfunction, and up to 70% of severely ill patients with sepsis exhibit varying degrees of sepsis-associated encephalopathy (SAE). The pathogenesis of SAE remains unclear. We aimed to explore the changes in gut microbiota in SAE and the regulatory mechanism of molecular hydrogen. ResultsMolecular hydrogen treatment significantly improved the functional outcome of SAE and downregulated inflammatory reactions in both the brain and the gut. In addition, molecular hydrogen treatment improved gut microbiota dysbiosis and partially amended metabolic disorder after SAE. ConclusionsMolecular hydrogen treatment promotes functional outcomes after SAE in mice, which may be attributable to increasing beneficial bacteria, repressing harmful bacteria, and metabolic disorder, and reducing inflammation.
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