Eight studies analyzed the relationship between HSD11B1 expression in abdominal SAT and VAT with estimates of insulin resistance, β-cell function, blood glucose levels and abnormalities of glucose metabolism and T2DM, in populations of different ethnic background, including Caucasians, African Americans, Pima Indians, Hispanic Americans and populations from Sweden and Denmark (data not clear about ethnicity) (Table 2). The gene discussed is HSD11B1; the disease is type 2 diabetes mellitus.