Abstract
It has been demonstrated that alterations of adipocytokines can alter immune status in type 2 diabetes. The present study investigated changes of adipocytokine plasma concentrations and cellular immune status in overweight men, suffering from non-insulin dependent type 2 diabetes (n=14, age 61.0±8.7 years, BMI 31.1±3.5 kg/cm2). Subjects underwent a 3 months endurance exercise intervention (twice per week for up to 45 min) cycling at a heart rate corresponding to a 2 mmol/l lactate threshold. Before and after the intervention testing for adipocytokines (leptin, adiponectin, resistin) and cellular immune status (including T memory-cells and regulative T-cells) was performed by RIA and FACS accordingly.The exercise intervention improved anthropometric and metabolic parameters of all subjects. We observed a significant decline for resistin and for the CD19+ B-cells. The CD4+CD25+CD127low Treg-cells decreased, however not statistically significant. All other parameters remained unchanged.In conclusion, even though only training twice a week, the exercise affected parts of the cellular immune system as well as resistin levels in men suffering from non-insulin dependent type 2 diabetes.
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