On the other hand, biallelic WNT10A mutations were first identified in patients with syndromes of ectodermal dysplasia, Schopf–Schulz–Passarge syndrome (SSPS, OMIM#224750), and odontoonychodermal dysplasia (OODD, OMIM#257980) [9]. Here, WNT10A is linked to odonto-onycho-dermal dysplasia.