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Non-Syndromic Cleft Lip with or without Cleft Palate: Genome-Wide Association Study in Europeans Identifies a Suggestive Risk Locus at 16p12.1 and Supports SH3PXD2A as a Clefting Susceptibility Gene

  • Iris A. L. M. van Rooij
  • , Kerstin U. Ludwig
  • , Julia Welzenbach
  • , Nina Ishorst
  • , Michelle Thonissen
  • , Tessel E. Galesloot
  • , Edwin Ongkosuwito
  • , Stefaan J. Berge
  • , Khalid Aldhorae
  • , Augusto Rojas-Martinez
  • , Lambertus A. L. M. Kiemeney
  • , Joris Robert Vermeesch
  • , Han Brunner
  • , Nel Roeleveld
  • , Koen Devriendt
  • , Titiaan Dormaar
  • , Greet Hens
  • , Michael Knapp
  • , Carine Carels
  • , Elisabeth Mangold*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Non-syndromic cleft lip with or without cleft palate (nsCL/P) ranks among the most common human congenital malformations, and has a multifactorial background in which both exogenous and genetic risk factors act in concert. The present report describes a genome-wide association study (GWAS) involving a total of 285 nsCL/P patients and 1212 controls from the Netherlands and Belgium. Twenty of the 40 previously reported nsC/LP susceptibility loci were replicated, which underlined the validity of this sample. SNV-based analysis of the data identified an as yet unreported suggestive locus at chromosome 16p12.1 (p-value of the lead SNV: 4.17 x 10( -7)). This association was replicated in two of three patient/control replication series (Central European and Yemeni). Gene analysis of the GWAS data prioritized SH3PXD2A at chromosome 10824.33 as a candidate gene for nsCL/P. To date, support for this gene as a cleft gene has been restricted to data from zebrafish and a knockout mouse model. The present GWAS was the first to implicate SH3PXD2A in non-syndromic cleft formation in humans. In summary, although performed in a relatively small sample, the present GWAS generated novel insights into nsCL/P etiology.

Original languageEnglish
Article number1023
Number of pages14
JournalGenes
Volume10
Issue number12
DOIs
Publication statusPublished - 7 Dec 2019

Keywords

  • congenital malformation
  • orofacial cleft
  • cleft lip with or without cleft palate
  • genome-wide association study
  • NONSYNDROMIC OROFACIAL CLEFTS
  • GENOTYPE IMPUTATION
  • CANDIDATE GENES
  • VARIANTS
  • IRF6
  • METAANALYSES
  • FOXE1

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