Clinical features associated with CTNNB1 de novo loss of function mutations in ten individuals

DDD Study, Mira Kharbanda, Daniela T Pilz, Susan Tomkins, Kate Chandler, Anand Saggar, Alan Fryer, Victoria McKay, Pedro Louro, Jill Clayton Smith, John Burn, Usha Kini, Anna De Burca, David R FitzPatrick, Esther Kinning

Research output: Contribution to journalArticlepeer-review

Abstract

Loss of function mutations in CTNNB1 have been reported in individuals with intellectual disability [MIM #615075] associated with peripheral spasticity, microcephaly and central hypotonia, suggesting a recognisable phenotype associated with haploinsufficiency for this gene. Trio based whole exome sequencing via the Deciphering Developmental Disorders (DDD) study has identified eleven further individuals with de novo loss of function mutations in CTNNB1. Here we report detailed phenotypic information on ten of these. We confirm the features that have been previously described and further delineate the skin and hair findings, including fair skin and fair and sparse hair with unusual patterning.

Original languageEnglish
Pages (from-to)130-135
JournalEuropean journal of medical genetics
Volume60
Issue number2
Early online date30 Nov 2016
DOIs
Publication statusPublished - Feb 2017

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