NAMPT and obesity due to melanocortin 4 receptor deficiency: Another study by Jurdana et al. [28] also found higher serum visfatin levels in overweight/obesity(BMI≥29kg/m2) subjects than in controls (4.1±0.6 ng/mL vs.1.8±0.6 ng/mL for males and 4.4±0.5 ng/mL vs. 2.5±0.5 ng/mL for females).