beta Cell autoimmunity in a child with M.O.D.Y. (Maturity Onset Diabetes in the Young).

We present the case of a well characterised M.O.D.Y. type 2 diabetes family in which one of the children associated beta cell autoimmunity and a HLA DQB1 at risk for immune-mediated type 1 diabetes mellitus. The search for autoantibodies against beta cell should be considered in cases of genetically defined form of diabetes mellitus to exclude the possibility of a concomitant risk to develop type 1 diabetes mellitus.