Collagen catabolism through Coll2-1 and Coll2-1NO2 and myeloperoxidase activity in marathon runners
To determine the influence of marathon on the serum levels of two markers of cartilage degradation, Coll2-1 and its nitrated form, Coll2-1NO2, and of a marker of neutrophils activation, the myeloperoxidase (MPO).