SELENOS and type 2 diabetes mellitus: These authors detected and compared serum SelS levels in healthy individuals (41.7 %, 27.8 ng/ml), type 1 DM patients (23.2 %, 34.0 ng/ml), and T2DM patients (27.9 %, 34.3 ng/ml) and found that the average SelS level among these three groups did not differ significantly.