4.7 Article

Revealing hypoglycemic and hypolipidemic mechanism of Xiaokeyinshui extract combination on streptozotocin-induced diabetic mice in high sucrose/high fat diet by metabolomics and lipidomics

Journal

BIOMEDICINE & PHARMACOTHERAPY
Volume 135, Issue -, Pages -

Publisher

ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2021.111219

Keywords

T2DM; Xiaokeyinshui extract combination; Metabolomics; Lipidomics

Funding

  1. National Key Research and Development Projects on Modernization of TCM [2017YFC1701000]
  2. Chinese National Natural Science Foundation [81773869]
  3. Hubei Provincial Major Technological Innovation Projects [2016ACA141]

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The study demonstrated that Xiaokeyinshui extract combination (XEC) has hypoglycemic effects against Type 2 diabetic mellitus (T2DM) by increasing insulin secretion, improving HDL-C levels, reducing biochemical indicators, and repairing islet structure. Analysis of plasma metabolic profiles suggested that XEC may regulate carbohydrate metabolism, lipid metabolism, and amino acid metabolism in the treatment of T2DM.
Type 2 diabetic mellitus (T2DM), often accompanied by disorders of glucose and lipid metabolism, has troubled hundreds of millions of people. Xiaokeyinshui extract combination (XEC), derived from traditional Chinese medicines formula, has exerted hypoglycemic effects against T2DM. However, its mechanism of metabolic level is still unclear. In this study, a T2DM mice model, induced by a high sucrose/high fat diet combined with lowdose streptozotocin (STZ) injections, was adopted. The biochemical index was determined and a combination of metabolomics and lipidomics analyses of plasma were performed. The results showed that XEC increased secretion of insulin and level of HDL-C, decreased levels of FBG, HbA1c, TC, TG, LDL-C and repaired islet structure in diabetic mice. In addition, the metabolic profiles of plasma were analyzed and 54 potential biomarkers were screened out, mainly including carbohydrates, lipids and amino acids. These potential biomarkers were found to be correlated with the following pathways: galactose metabolism, fructose and mannose metabolism, TCA cycle, arachidonic acid metabolism, glycerolipid metabolism, glycerophospholipid metabolism, sphingolipid metabolism and amino acid metabolism. In conclusion, we speculated that carbohydrate metabolism, lipid metabolism and amino acid metabolism played roles in the therapeutic mechanisms of XEC on T2DM.

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