DPP4 and type 2 diabetes mellitus: In consideration, hypoalphalipoproteinemia is a common dyslipidemia found in both T2DM and premature CAD patients, and we recently reported that the rs17574 DPP4 polymorphism was associated with a low risk of hypoalphalipoproteinemia [25]; this study aimed to investigate the association of pCAD with the rs17574 DPP4 polymorphism and with the protein concentration in diabetic patients belonging to the GEA Mexican study.