In addition to NKX6–1 we found variants in WFS1, RFX6 and 7 other genes associated with monogenic forms of diabetes (AKT2, EIF2AK3, GLIS3, HADH, MNX1, NKX2–2, and PTF1A) and they may be relevant to development of MODY. Here, GLIS3 is linked to diabetes mellitus.