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. Here, PIK3R2 is linked to type 2 diabetes mellitus.