Hyperlipidemia is an associated complication of diabetes mellitus. The association of hyperglycemia with an alteration of lipid parameters presents a major risk for cardiovascular complications in diabetes. The present study was designed to examine the antihyperlipidemic effect of 20-OH ecdysone on lipid profile and tissue fatty acid changes in streptozotocin induced diabetic rats. The levels of blood glucose, cholesterol, triglycerides, free fatty acids, phospholipids, low density lipoprotein, very low density lipoprotein, high density lipoprotein, lipoprotein lipase, lecithin cholesterol acyl transferase, 3-hydroxy 3-methylglutaryl coenzyme A reductase and fatty acid composition were estimated in plasma, liver and kidneys of control and experimental groups of rats. Oral administration of 20-OH ecdysone at a dose of 5mg/kg bodyweight per day to STZ-induced diabetic rats for a period of 30 days resulted in a significant reduction in fasting blood glucose, cholesterol, triglycerides, free fatty acids, phospholipids, low density lipoprotein, very low density lipoprotein, 3-hydroxy 3-methylglutaryl coenzyme A reductase and elevation of high density lipoprotein, lipoprotein lipase and lecithin cholesterol acyl transferasein comparison with diabetic untreated rats. Moreover, administration of 20-OH ecdysone to diabetic rats also decreased the concentrations of fatty acids, viz., palmitic, stearic (16:1) and oleic acid (18:1), whereas linolenic (18:3) and arachidonic acid (20:4) were elevated. The antihyperlipidemic effect of 20-OH ecdysone was compared with glibenclamide a well-known antihyperglycemic drug. The result of the present study indicates that 20-OH ecdysone showed an antihyperlipidemic effect in addition to its antidiabetic effect in experimental diabetes.
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