Lactobacillus paracasei N1115 attenuates obesity in high-fat diet-induced obese mice.
Food science & nutrition(2023)
摘要
Disruption of the microbial structure of intestinal bacteria due to a high-fat diet (HFD) is closely associated with metabolic disorders, such as obesity and type 2 diabetes. Probiotics are known to modulate the gut microbiota; therefore, we demonstrated the capability of N1115 (-N1115) to attenuate obesity. Four-week-old male C57BL/6J mice were fed a HFD for 12 weeks to induce obesity and were then randomized to supplemented placebo or N1115 treatment group for another 12 weeks. -N1115 treatment reduced weight gain and liver fat accumulation as well as triglyceride, total cholesterol, and low-density lipoprotein cholesterol levels. The administration of -N1115 suppressed the expression of fatty acid synthase, interleukin-1 β, and toll-like receptor 4. Notably, the operational taxonomic units that negatively and positively correlated with the obesity phenotypes were enriched and reduced, respectively, in the -N1115 treatment group. These results indicate that -N1115 attenuates obesity by modulating the gut microbiota and the expression of lipid synthesis and proinflammatory cytokine genes.
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关键词
Lactobacillus paracasei N1115,gut microbiota,inflammation,lipid metabolism,obesity
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