J Endocrinol Invest 2021 Mar 6. Epub 2021 Mar 6.
Department of Clinical and Experimental Medicine, University of Catania, AOU Policlinico "G. Rodolico - San Marco", Via S. Sofia 78, 95123, Catania, Italy.
Background: Irisin, a myokine, is a polypeptide derived from the cleavage of the extracellular domain of fibronectin domain-containing protein 5, a receptor that is present on different tissues (skeletal muscle, pericardium, myocardium, and brain), whose functions are not yet fully defined.
Purpose: The main aim of our study was to evaluate the effect of competitive physical activity on serum irisin levels and bone turnover markers.
Methods: Fifteen male footballers and an equal number of subjects of the same age and gender, but with a predominantly sedentary lifestyle, had their serum levels of irisin and bone turnover markers measured. Read More