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Effects of Vitamin A, C and E, or Omega-3 Fatty Acid Supplementation on the Level of Paraoxonase and Arylesterase Activity in Streptozotocin-Induced Diabetic Rats: an Investigation of Activities in Plasma, and Heart and Liver Homogenates

Singapore medical journal(2016)

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摘要
INTRODUCTION:This study was designed and conducted to evaluate the effects of vitamin A, C and E supplementation, and omega-3 fatty acid supplementation on the activity of paraoxonase and arylesterase in an experimental model of diabetes mellitus.METHODS:A total of 64 male Sprague Dawley® rats, each weighing 250 g, were randomly distributed into four groups: (a) normal control; (b) diabetic control; (c) diabetic with vitamin A, C and E supplementation; and (d) diabetic with omega-3 fatty acid supplementation. The animals were anaesthetised after four weeks of intervention, and paraoxonase and arylesterase activity in blood plasma, and liver and heart homogenates were measured.RESULTS:Arylesterase activity in the heart and liver homogenates was significantly lower in the diabetic control group than in the normal control group (p < 0.01). Vitamin A, C and E supplementation, and omega-3 fatty acid supplementation significantly increased liver arylesterase activity (p < 0.05). No significant change was observed in paraoxonase activity and other investigated factors.CONCLUSION:Vitamin A, C and E, or omega-3 fatty acid supplementation were found to increase liver arylesterase activity in streptozotocin-induced diabetic rats. These supplements may be potential agents for the treatment of diabetes mellitus complications.
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关键词
arylesterase,omega-3 fatty acid,paraoxonase,vitamin C,vitamin E
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