Published in

Wiley, Clinical Genetics, 6(90), p. 536-539, 2016

DOI: 10.1111/cge.12762

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A homozygous nonsense variant inIFT52is associated with a human skeletal ciliopathy: A homozygous nonsense variant inIFT52

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This paper is available in a repository.

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Abstract

Intraflagellar transport (IFT) is vital for the functioning of primary cilia. Defects in several components of IFT complexes cause a spectrum of ciliopathies with variable involvement of skeleton, brain, eyes, ectoderm and kidneys. We examined a child from a consanguineous family who had short stature, narrow thorax, short hands and feet, post-axial polydactyly of hands, pigmentary retinopathy, small teeth and skeletal dysplasia. The clinical phenotype of the child shows significant overlap with cranioectodermal dysplasia type I (Sensenbrenner syndrome). Whole exome sequencing revealed a homozygous nonsense variant p.R142* in IFT52 encoding an IFT-B core complex protein as the likely cause of her condition. This is the first report of a human disease associated with IFT52.