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Biochimie. 2013 Jun;95(6):1239-44. doi: 10.1016/j.biochi.2013.01.018. Epub 2013 Feb 8.

Efficacy of azelaic acid on hepatic key enzymes of carbohydrate metabolism in high fat diet induced type 2 diabetic mice.

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Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalai Nagar, Chidambaram 608002, Tamil Nadu, India.


Azelaic acid (AzA), a C9 linear α,ω-dicarboxylic acid, is found in whole grains namely wheat, rye, barley, oat seeds and sorghum. The study was performed to investigate whether AzA exerts beneficial effect on hepatic key enzymes of carbohydrate metabolism in high fat diet (HFD) induced type 2 diabetic C57BL/6J mice. C57BL/6J mice were fed high fat diet for 10 weeks and subjected to intragastric administration of various doses (20 mg, 40 mg and 80 mg/kg BW) of AzA daily for the subsequent 5 weeks. Rosiglitazone (RSG) was used as reference drug. Body weight, food intake, plasma glucose, plasma insulin, blood haemoglobin (Hb), blood glycosylated haemoglobin (HbA1c), liver glycolytic enzyme (hexokinase), hepatic shunt enzyme (glucose-6-phosphate dehydrogenase), gluconeogenic enzymes(glucose-6-phosphatase and fructose-1,6-bisphosphatase), liver glycogen, plasma and liver triglycerides were examined in mice fed with normal standard diet (NC), high fat diet (HFD), HFD with AzA (HFD + AzA) and HFD with rosiglitazone (HFD + RSG). Among the three doses, 80 mg/kg BW of AzA was able to positively regulate plasma glucose, insulin, blood HbA1c and haemoglobin levels by significantly increasing the activity of hexokinase and glucose-6-phosphate dehydrogenase and significantly decreasing the activity of glucose-6-phosphatase and fructose-1,6-bisphosphatase thereby increasing the glycogen content in the liver. From this study, we put forward that AzA could significantly restore the levels of plasma glucose, insulin, HbA1c, Hb, liver glycogen and carbohydrate metabolic key enzymes to near normal in diabetic mice and hence, AzA may be useful as a biomaterial in the development of therapeutic agents against high fat diet induced T2DM.

[Indexed for MEDLINE]

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