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Hypoglycemic effect of inulin combined with ganoderma lucidum polysaccharides in T2DM rats
- Yaping Liu, Yumeng Li, Wenlingzi Zhang, Mingzhe Sun, Zesheng Zhang
- Journal of functional foods 2019 v.55 pp. 381-390
- Ganoderma lucidum, glucose, glycemic effect, glycogen, high fat diet, hypoglycemia, insulin resistance, inulin, lipid metabolism, messenger RNA, noninsulin-dependent diabetes mellitus, nutrient transport, rats, streptozotocin
- It has been reported that both inulin and ganoderma lucidum polysaccharides are conducive to glucose metabolism. The aim of present study was to explore the hypoglycemia effect and molecular mechanism of the inulin combined with ganoderma lucidum polysaccharides in type 2 diabetic mellitus (T2DM) rats. T2DM rats were induced by high fat diet (HFD) and streptozotocin (STZ). Then the inulin and ganoderma lucidum polysaccharides were administered orally to the T2DM rats for 5 weeks. Subsequently, the glycometabolism relevant parameters were evaluated in all rats, and the molecular mechanism including the key mRNA levels and protein expressions in PI3K/Akt pathway was explored. The results showed that the combination of inulin and ganoderma lucidum polysaccharides could significantly improve the glucose and lipid metabolism related parameters in T2DM rats, which seemed to be related to enhancing the insulin sensitivity, increasing the glycogen synthesis and facilitating the glucose transportation by regulating the PI3K/Akt pathway.