Volume 16, Issue 2 (1-2017)                   ijdld 2017, 16(2): 111-120 | Back to browse issues page

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Soori R, Khosravi N, Jafarpour S, Ramezankhani A. EFFECT OF AEROBIC EXERCISE AND CALORIC RESTRICTION ON SERUM CHEMERIN LEVELS AND INSULIN RESISTANCE INDEX IN WOMEN WITH TYPE 2 DIABETES. ijdld. 2017; 16 (2) :111-120
URL: http://ijdld.tums.ac.ir/article-1-5522-en.html
1- Department of exercise physiology, faculty of education and sport sciences, Tehran University, Tehran, Iran , soorirahman@yahoo.com
2- Department of exercise physiology, faculty of education and sport sciences, Alzahra University, Tehran, Iran
3- Faculty of education and sport sciences, Alzahra University, Tehran, Iran
4- Faculty of education and sport sciences, Tehran University, Tehran, Iran
Abstract:   (899 Views)
Background: Inflammation plays an essential role in the insulin resistance process, and chemokines, such as chemerin, seem to play a pivotal role in the pathogenesis of insulin resistance. The aim of this study was to compare the effects of aerobic exercise and caloric restriction on chemerin levels and insulin resistance index in women with type 2 diabetes.
Methods: In a quasi-experimental study, 30 type 2 diabetes women were recruited (Mean age: 49.3±5.4 yr; weight: 78.8±7.3kg). Subjects randomly were divided into three groups: caloric restriction (experimental group 1 or CR), aerobic exercise with caloric restriction (experimental group 2 or EX+CR) and control group. In CR group, subjects follow a diet with 25% caloric restriction for 12 weeks. Subjects in CR+EX group used a training program including aerobic exercise and running on treadmill and diet with 50% caloric restriction of CR group (12.5% caloric restriction+12.5% increase in energy expenditure). Before and after 12 weeks, blood sampling for measurement of chemerin, IL-6, glucose and insulin was carried out. Data were analyzed by paired sample t-test and one way ANOVA at significant level of p<0.05.
Results: Results showed that body mass index (BMI), waist to hip ratio (WHR), insulin resistance index (HOMA-IR) and interleukin6 decreased significantly in experimental groups. chemerin levels were increased significantly in CR (P=0.001) and EX+CR groups (P=0.001). Significant correlation were seen between changes of chemerin with changes of BMI, WHR, HOMA-IR and interleukin6 (P<0.05).
Conclusion: According to the relationship between chemerin and insulin resistance and also, its effectiveness of aerobic exercise and caloric restriction, decreased levels of chemerin may play a special role in reduction of insulin resistance.
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Type of Study: Research | Subject: General
Received: 2016/06/15 | Accepted: 2016/12/4 | Published: 2017/09/26

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