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Whole-exome analysis of a child with polycystic kidney disease and ventriculomegaly

Lookup NU author(s): Yaobo Xu, Dr Mauro Santibanez Koref, Professor John Sayer

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Abstract

Autosomal recessive polycystic kidney disease (ARPKD) is an inherited ciliopathy leading to progressive kidney and liver disease. Biallelic mutations in the PKHD1 gene underlie this condition. We describe a child with bilaterally enlarged cystic kidneys, portal hypertension, and cerebral ventriculomegaly. Molecular genetic investigations using whole-exome sequencing and confirmation using Sanger sequencing revealed a homozygous pathogenic mutation in PKHD1 underlying the clinical phenotype of ARPKD. Whole-exome data analysis was used to search for additional rare variants in additional ciliopathy genes that may have contributed to the unusual brain phenotype. Aside from a rare hypomorphic allele in MKS1, no other pathogenic variants were detected.


Publication metadata

Author(s): Nabhan MM, Abdelaziz H, Xu Y, El Sayed R, Santibanez-Koref M, Soliman NA, Sayer JA

Publication type: Article

Publication status: Published

Journal: Genetics and Molecular Research

Year: 2015

Volume: 14

Issue: 2

Pages: 3618-3624

Online publication date: 17/04/2015

Acceptance date: 24/09/2014

Date deposited: 13/05/2015

ISSN (electronic): 1676-5680

Publisher: Fundacao de Pesquisas Cientificas de Ribeirao Preto

URL: http://dx.doi.org/10.4238/2015.April.17.11

DOI: 10.4238/2015.April.17.11


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