کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2846578 1166430 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of chronic restraint stress on carbohydrate metabolism in rat
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی فیزیولوژی
پیش نمایش صفحه اول مقاله
Effect of chronic restraint stress on carbohydrate metabolism in rat
چکیده انگلیسی

There is some evidence suggesting that stress may induce diabetes mellitus; the effects of restraint stress however need to be investigated. The present study investigates the role of chronic restraint stress on carbohydrate metabolism in male rats.The animals of the stressed group (n = 8) were exposed to different restraint stressors (1 h twice daily) for 30 days. On days 1, 15 and 30, before stress exposure, the animals were weighed and fasting blood samples were obtained by tail snipping and subsequently oral glucose tolerance tests (OGTT) were carried out.Fasting plasma glucose levels on the 15th day and the plasma glucose concentrations, on the 15th and 30th days of the experiment at 15 and 60 min following OGTT, in the stressed group, were significantly higher as compared to the control group. In the stressed group, fasting plasma insulin levels on the 15th and 30th days of the experiment and the plasma insulin concentrations, on the 15th day at 15 and 60 min after performing OGTT, were significantly lower as compared to the control group. Fasting plasma corticosterone concentrations were significantly increased on the 15th day of the experiment in the stressed rats as compared to the control rats and to concentrations on the 1st day. The weights of the stressed rats on the 15th and 30th experimental days were significantly lower than the controls.In conclusion, chronic restraint stress for 30 days leads to low body weight gain in rats and impairs glucose metabolism perhaps by affecting corticosterone and insulin secretion and by inducing a degree of insulin resistance.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physiology & Behavior - Volume 89, Issue 3, 30 October 2006, Pages 373–378
نویسندگان
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