Dammarane-Type Triterpene Extracts Of Panax Notoginseng Root Ameliorates Hyperglycemia And Insulin Sensitivity By Enhancing Glucose Uptake In Skeletal Muscle
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY(2017)
摘要
Skeletal muscle is an important organ for controlling the development of type 2 diabetes. We discovered Panax notoginseng roots as a candidate to improve hyperglycemia through in vitro muscle cells screening test. Saponins are considered as the active ingredients of ginseng. However, in the body, saponins are converted to dammarane-type triterpenes, which may account for the anti-hyperglycemic activity. We developed a method for producing a dammarane-type triterpene extract (DTE) from Panax notoginseng roots and investigated the extract's potential anti-hyperglycemic activity. We found that DTE had stronger suppressive activity on blood glucose levels than the saponin extract (SE) did in KK-A(y) mice. Additionally, DTE improved oral glucose tolerance, insulin sensitivity, glucose uptake, and Akt phosphorylat ion in skeletal muscle. These results suggest that DTE is a promising agent for controlling hyperglycemia by enhancing glucose uptake in skeletal muscle.
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关键词
dammarane-type triterpene extract, Panax notoginseng, hyperglycemia, skeletal muscle
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