While in theEPIC-Potsdam study the elevated levels of TNF-α and IL-6 were found to bestrongly associated with future type 2 diabetes, other studies failed todemonstrate increased TNF-α and IL-6 plasma levels in DM2 patients [37, 39].The above discrepancy could be due to the small number of subjects used in thelater study, as it was also in our case, and due to ethnic differences betweenthe various studies. Here, TNF is linked to type 2 diabetes mellitus.