Toaima D., Näke A., Wendenburg J., Praedicow K., Rohayem J., EngelK., Galler A., Gahr M., Lee-Kirsch M.A. Identification of novelGCK and HNF1A/TCF1 mutations and polymorphisms in Germanfamilies with maturity-onset diabetes of the young (MODY). Here, HNF1A is linked to type 2 diabetes mellitus.