- Effect of rosiglitazone, metformin and medical nutrition treatment on arterial stiffness, serum MMP-9 and MCP-1 levels in drug naive type 2 diabetic patients. Kiyici, S., Ersoy, C., Kaderli, A., Fazlioglu, M., Budak, F., Duran, C., Gul, O.O., Sigirli, D., Baran, I., Tuncel, E., Erturk, E., Imamoglu, S. Diabetes Res. Clin. Pract. (2009)