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Oral-facial-digital syndromes (OFDSs) as a subgroup of ciliopathies are rare genetic disorders characterized by the association of abnormalities of the face, oral cavity, and extremities. OFDS XVII is a recently described subtype of OFDS that presents with developmental delay, facial dysmorphism, high palate, tongue nodules, brain malformations, cardiac anomaly, polydactyly, renal malformation, and various other findings. OFDS XVII is caused by biallelic variants in INTU gene and is inherited autosomal recessively. Intu is part of the CPLANE protein module that has an essential role in the ciliary transport system and function. INTU pathogenic variants have been reported in two patients with OFDS XVII, in two patients with short-rib thoracic dysplasia-20 with polydactyly (SRTD20), and one with nephronophthisis so far. We report the third family in the literature with OFDS XVII, with urogenital malformations as an additional finding. © 2021 Wiley Periodicals LLC.

Citation

Omer Yakar, Abdulgani Tatar. INTU-related oral-facial-digital syndrome XVII: Clinical spectrum of a rare disorder. American journal of medical genetics. Part A. 2022 Feb;188(2):590-594

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PMID: 34623732

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