Among these genes, CRK, CRKL, EGF, EGFR, ERBB2, GRB2, GSK3B, HRAS, JUN, MAP2K1, MAPK1, MAPK10, MAPK3, MAPK8, MAPK9, MYC, PAK1, PAK2, PAK7, PIK3CA, PIK3CD, PIK3CG, PIK3R1, PIK3R2, PIK3R3, PIK3R5, PRKCA, PRKCB, PRKCG, PTK2, RAF1, RHOA, RPS6KB1, SHC1, SHC3, SOS1, SOS2, SRC, THBS1 genes can be potential T2D causing genes. This evidence concerns the gene MAPK8 and type 2 diabetes mellitus.