There are currently >50 cases reported.[17] Tarasov reported 3 cases of Y356C ABCC8 mutations, which caused insulin deficiency and high fasting blood glucose.[18] A missense mutation of ABCC8 gene was found in a 39-year-old French patient with normal weight and hyperglycemia, which tyrosine replaces cysteine (SUR1Y356C). Here, ABCC8 is linked to Hyperglycemia.