Abnormal primary and permanent dentitions with ectodermal symptoms predict WNT10A deficiencyShow others and affiliations
2016 (English)In: BMC Medical Genetics, E-ISSN 1471-2350, Vol. 17, no 1, article id 88Article in journal (Refereed) Published
Abstract [en]
BACKGROUND: The WNT10A protein is critical for the development of ectodermal appendages. Variants in the WNT10A gene may be associated with a spectrum of ectodermal abnormalities including extensive tooth agenesis.
METHODS: In seven patients with severe tooth agenesis we identified anomalies in primary dentition and additional ectodermal symptoms, and assessed WNT10A mutations by genetic analysis.
RESULTS: Investigation of primary dentition revealed peg-shaped crowns of primary mandibular incisors and three individuals had agenesis of at least two primary teeth. The permanent dentition was severely affected in all individuals with a mean of 21 missing teeth. Primary teeth were most often present in positions were succedaneous teeth were missing. Furthermore, most existing molars had taurodontism. Light, brittle or coarse hair was reported in all seven individuals, hyperhidrosis of palms and soles in six individuals and nail anomalies in two individuals. The anomalies in primary dentition preceded most of the additional ectodermal symptoms. Genetic analysis revealed that all seven individuals were homozygous or compound heterozygous for WNT10A mutations resulting in C107X, E222X and F228I.
CONCLUSIONS: We conclude that tooth agenesis and/or peg-shaped crowns of primary mandibular incisors, severe oligodontia of permanent dentition as well as ectodermal symptoms of varying severity may be predictors of bi-allelic WNT10A mutations of importance for diagnosis, counselling and follow-up.
Place, publisher, year, edition, pages
BioMed Central, 2016. Vol. 17, no 1, article id 88
Keywords [en]
Dental; Ectodermal dysplasia; Permanent dentition; Primary dentition; WNT10A mutations
National Category
Dentistry
Identifiers
URN: urn:nbn:se:hj:diva-34164DOI: 10.1186/s12881-016-0349-4ISI: 000389277800001PubMedID: 27881089Scopus ID: 2-s2.0-84997328007OAI: oai:DiVA.org:hj-34164DiVA, id: diva2:1052025
2016-12-052016-12-052024-01-17Bibliographically approved