Multiple AIS susceptibility genes, including LBX1, GPR126, BNC2, PAX1, LBX1-as1, BCL2, AJAP1, PAX3, TNIK, MEIS1, MAGI1, TGFB1, MIR4300HG, and TPH1 genes, have already been identified in Caucasian, Japanese, and Chinese populations (35, 36). Here, TGFB1 is linked to androgen insensitivity syndrome.