Endocrine Abstracts

Levels of TSH respond to fluctuations in serum free T(4) (fT(4)) and remain in a very narrow individual range. There exists current controversy regarding the upper limit of normal serum TSH values above which treatment should be indicated. In a cohort of healthy men from the general population, both serum TSH and fT(4).TSH product were positively associated with fasting and postload insulin concentration and negatively with insulin sensitivity.It was concluded that thyroid fun...

Introduction: In patients with type 1 diabetes, exercise has not consistently been shown to improve glycemic control, as measured using HbA1c levels. Participation in competitive sports may even worsen glycaemic control. Free radicals and oxidative stress markers are known to increase during acute exercise in parallel to decreased circulating antioxidant concentrations. We aimed to analyze the effects of chronic and acute exercise on circulating HbA1c and fructosamine levels.<...