A-FABP is universally recognized as a central player in obesity and obesity-related diseases, such as type 2 diabetes mellitus, metabolic syndrome, and atherosclerosis2, 3, 4, 5, due to its effects on lipid and glucose metabolism, insulin resistance, inflammation, reactive oxygen species generation, and endothelial function6, 7, 8. This evidence concerns the gene FABP4 and diabetes mellitus.