Type 1 diabetes is considered to be an autoimmune disease in which the etiology is due to destruction of insulin-producing pancreatic beta cells by the host immune system in response to a foreign antigen triggering a response in a genetically susceptible individual.2 Although type 1 diabetes is often viewed as a disease of children and young adults, it can occur at any age and in people of diverse genetic ancestry. This evidence concerns the gene INS and type 1 diabetes mellitus.