Interestingly, men with T2D with normal HbA1c (< 6%) or TG (< 1.7 mmol/L) showed similar plasma I-FABP levels than nondiabetics, while only those harboring an uncontrolled T2D had higher plasma I-FABP levels (Fig. 3b). This evidence concerns the gene FABP2 and type 2 diabetes mellitus.