Also, 15 genes have been described in other types of DSD (CUL4B, EMX2, FRAS1, FREM2, HSD3B2, NOTCH2 and NRP1) (Table 2) and/or were reported in different syndromes (CYP1A1, EVC, FRAS1, HOXA13, PTPN11, RECQL4, RET, RIPK4 and ZBTB16) (Table 2). This evidence concerns the gene RECQL4 and disorder of sexual differentiation.