期刊
JOURNAL OF APPLIED MICROBIOLOGY
卷 121, 期 6, 页码 1727-1736出版社
WILEY
DOI: 10.1111/jam.13276
关键词
antioxidant; inflammation; leptin; malondialdehyde; streptozotocin; type 2 diabetes mellitus; alpha-glucosidase
资金
- National Natural Science Foundation of China [31301407]
- Key Projects in the National Science and Technology Pillar Program [2013BAD18B01, 2013BAD18B02, 2012BAD12B08]
- National Basic Research Program of China (973 Program) [2012CB720802]
- Program of Introducing Talents of Discipline to Universities [B07029]
- Fundamental Research Funds for the Central Universities [JUSRP51501]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Program of Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province
Aims: The aim of this study was to rapidly screen potential hypoglycaemic strain by alpha-glucosidase inhibitory activity in vitro, then explored the antidiabetic effect of Lactobacillus plantarum CCFM0236 in vivo. Methods and Results: The cell-free supernatant of Lact. plantarum CCFM0236 significantly inhibited alpha-glucosidase activity in vitro. Therefore, the effects of Lact. plantarum CCFM0236, with potential hypoglycaemia activity, on insulin resistance and hyperglycaemia were explored in high-fat and streptozotocin-induced type 2 diabetes mice. Oral administration of Lact. plantarum CCFM0236 was found to decrease food intake, blood glucose level, glycosylated haemoglobin level and leptin level. Treatments of Lact. plantarum CCFM0236 also favourably regulated insulin level, AUC(glucose), and HOMA-IR index, and increased the activities of glutathione peroxidase and the levels of glutathione, high-density lipoprotein cholesterol and interleukin-10. In addition, Lact. plantarum CCFM0236 reduced levels of malondialdehyde and tumour necrosis factor-alpha and protected pancreas function. Conclusions: Lactobacillus plantarum CCFM0236 has potential hypoglycaemic ability by ameliorating insulin resistance, antioxidant capacity and systemic inflammation in mice. Significance and Impact of the Study: The method of alpha-glucosidase inhibitory activity could be effectively used to screen potential hypoglycaemic products and Lact. plantarum CCFM0236 might be a promising therapeutic agent for ameliorating type 2 diabetes.
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