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:: Volume 13, Issue 4 (11-2011) ::
2011, 13(4): 368-373 Back to browse issues page
The Effect of Endurance Training in Changes of Blood Lactate and Plasma Calcitonin Gen Related Peptide Levels in Type 2 Diabetic Rats
S Daneshyar, R Gharakhanlo Professor , K Omidfar Professor, R Nikooie Professor, M Bayati
Tarbiat Modares University , ghara_re@modares.ac.ir
Abstract:   (33797 Views)
Introduction: Streptozotocin-induced type2 diabetes causes functional and metabolic changes in some tissues and subsequently produces some intermediates and substances which enter the circulation. On the other hand, endurance training can modify the amount of these substances. In this study, the effects of diabetes and endurance training on resting levels of blood lactate and plasma calcitonin gene- related peptide (CGRP) were investigated. Materials and Methods: Fifty rats were divided into 4 groups including control nondiabetic (n=10) training nondiabetic(n=10) nontraining diabetic (n=15) and training diabetic. Diabetes was induced by feeding with high fat diet HFD and injecting STZ. The training groups underwent an endurance training program on treadmill. Blood Lactate concentration was measured by a lactate kit and plasma CGRP concentration was determined by enzyme immunoassay kit( EIA). Results: In the control nondiabetic, training nondiabetic, nontraining diabetic control and training diabetic groups, the restig values of blood lactate were 2.4, 2.08, 4.5, 3.7(mmol/L) and plasma CGRP values were 0.40, 0.35, 4.9,3.0 (ng/ml), respectively. Conclusion: Resting levels of circulating lactate and CGRP were higher in diabetic subjects than in control nondiabetic rats and endurance training decreased resting value of blood lactate in diabetic rats but did not change the plasma CGRP. Thus, it seems that the role of endurance training in ameliorating diabetes is due to decreasing resting level of blood lactate, but not plasma CGRP.
Keywords: Type 2diabetes, Endurance training, Lactate, CGRP
Full-Text [PDF 262 kb]   (2980 Downloads)    
Type of Study: Original | Subject: Physiology
Received: 2010/11/9 | Accepted: 2011/07/5
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Daneshyar S, Gharakhanlo R, Omidfar K, Nikooie R, Bayati M. The Effect of Endurance Training in Changes of Blood Lactate and Plasma Calcitonin Gen Related Peptide Levels in Type 2 Diabetic Rats. Iranian Journal of Endocrinology and Metabolism. 2011; 13 (4) :368-373
URL: http://ijem.sbmu.ac.ir/article-1-1060-en.html


Volume 13, Issue 4 (11-2011) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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