Type 2 diabetes mellitus (T2DM) is characterized by pre- and postprandial hyperglycemia, combined with relative insulin insufficiency resulting from inadequate insulin secretion and low insulin sensitivity.1 Type 2 DM is a chronic disease with alarming growth rates in several countries, and is expected to become a serious health concern over the next decades.2 , 3 Type 2 is the most common form of diabetes and has been on the rise alongside cultural and social changes. The gene discussed is INS; the disease is diabetes mellitus.