FABP4 and obesity due to melanocortin 4 receptor deficiency: Recent studies suggest that adipose tissue inflammation, characterized by the infiltration of inflammatory cells and perturbation of adipokine secretion, may play a central role in the pathogenesis of obesity‐related pathologies.2 A‐FABP is a cytoplasmic lipid chaperon and plays an important role in mediating intracellular fatty acid trafficking.