According to the position statement of the European Association for the Study of Diabetes (EASD) and the American Diabetes Association (AHA), glucagon-like peptide-1 (GLP-1) receptor agonists, such as liraglutide and exenatide, are recommended because of their ability to maintain good glycemic control in diabetic patients without resulting in weight gain or significant hypoglycemia[1, 2]. The gene discussed is GCG; the disease is diabetes mellitus.