Effects of insulin treatment on hepatic CYP1A1 and CYP2E1 activities and lipid peroxidation levels in streptozotocin-induced diabetic rats

被引:14
|
作者
Kuzgun, Gokce [1 ]
Basaran, Rahman [1 ]
Arioglu Inan, Ebru [2 ]
Can Eke, Benay [1 ]
机构
[1] Ankara Univ, Fac Pharm, Dept Pharmaceut Toxicol, TR-06560 Ankara, Turkey
[2] Ankara Univ, Fac Pharm, Dept Pharmacol, TR-06560 Ankara, Turkey
关键词
CYP450; Diabetes; Insulin; Streptozotocin; OXIDATIVE STRESS; CYTOCHROME-P450; 1A1; LIVER-DISEASE; DRUG; EXPRESSION; HYDROXYLATION; MICROSOMES; GENES; RISK; 2E1;
D O I
10.1007/s40200-020-00616-y
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Introduction Reactive oxygen species (ROS) and lipid peroxidation (LPO) levels may increase in diabetic state and lead to oxidative stress, which plays a critical role in the progression of diabetes. There are various sources of ROS, including cytochrome P450 monooxygenases (CYP450s), which may be modulated in terms of their activities and expressions under diabetic conditions. This study is aimed to investigate the effects of streptozotocin-induced diabetes and insulin treatment on hepatic cytochrome P450 1A1 (CYP1A1) and cytochrome P450 2E1 (CYP2E1) activities and LPO levels.Methods: CYP1A1 and CYP2E1 activities were measured with ethoxyresorufin O-deethylase and p-nitrophenol hydroxylase activities, respectively. LPO levels were then corroborated via thiobarbituric acid reactive substances.Results: In diabetic rats, a marked 2.1- and 2.4-fold increase in hepatic CYP1A1 activity and 1.8- and 1.6-fold increase in hepatic CYP2E1 activity were observed compared to controls and insulin-treated diabetic rats, respectively. Hepatic LPO levels in diabetic rats did not significantly change compared to controls. However, in insulin-treated diabetic rats, LPO levels are 0.92- and 0.89-fold remarkably decrease compared to controls and diabetics, respectively.Conclusion: The present study suggests that insulin might have a useful role in the modulation of CYP1A1 and CYP2E1 activities as well as LPO levels in the liver of diabetic rats.
引用
收藏
页码:1157 / 1164
页数:8
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