DTNA and diabetes mellitus: DMD, DTNA, NOS1, SNTA1, MAST2 and VAC14 are Type 2 diabetes disease genes45, 46, 47, SCN5A is a diabetes mellitus disease gene, SNTB2 and UTRN are type 1 diabetes disease genes46, 47; SNTB1 controls glucose levels, and could be a potential diabetes disease gene.