Family-based study shows heterogeneity of a susceptibility locus on chromosome 8q24 for nonsyndromic cleft lip and palate

Susan H Blanton, Amber Burt, Samuel Stal, John B. Mulliken, Elizabeth Garcia, Jacqueline T. Hecht

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

BACKGROUND: Nonsyndromic cleft lip with or without cleft palate is a common birth defect. Although a number of susceptibility loci have been reported, replication has often been lacking. This is likely due, in part, to the heterogeneity of datasets and methodologies. Two independent genome-wide association studies of individuals of largely western European extraction have identified a possible susceptibility locus on 8q24.21. METHODS: To determine the overall effect of this locus, we genotyped six of the previously associated single nucleotide polymorphisms in our Hispanic and non-Hispanic white family-based datasets and evaluated them for linkage and association. In addition, we genotyped a large African American family with nonsyndromic cleft lip with or without cleft palate that we had previously mapped to the 8q21.3-24.12 region to test for linkage. RESULTS: There was no evidence for linkage to this region in any of the three ethnic groups. Nevertheless, strong evidence for association was noted in the non-Hispanic white group, whereas none was detected in the Hispanic dataset. CONCLUSION: These results confirm the previously reported association and provide evidence suggesting that there is ethnically based heterogeneity for this locus.

Original languageEnglish
Pages (from-to)256-259
Number of pages4
JournalBirth Defects Research Part A - Clinical and Molecular Teratology
Volume88
Issue number4
DOIs
StatePublished - Apr 1 2010

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Chromosomes
Cleft Lip
Cleft Palate
Hispanic Americans
Genome-Wide Association Study
Ethnic Groups
African Americans
Single Nucleotide Polymorphism
Orofacial Cleft 1
Datasets

Keywords

  • 8q24
  • Association
  • Linkage
  • Nonsyndromic cleft lip and palate
  • NSCLP

ASJC Scopus subject areas

  • Developmental Biology
  • Pediatrics, Perinatology, and Child Health
  • Embryology

Cite this

Family-based study shows heterogeneity of a susceptibility locus on chromosome 8q24 for nonsyndromic cleft lip and palate. / Blanton, Susan H; Burt, Amber; Stal, Samuel; Mulliken, John B.; Garcia, Elizabeth; Hecht, Jacqueline T.

In: Birth Defects Research Part A - Clinical and Molecular Teratology, Vol. 88, No. 4, 01.04.2010, p. 256-259.

Research output: Contribution to journalArticle

Blanton, Susan H ; Burt, Amber ; Stal, Samuel ; Mulliken, John B. ; Garcia, Elizabeth ; Hecht, Jacqueline T. / Family-based study shows heterogeneity of a susceptibility locus on chromosome 8q24 for nonsyndromic cleft lip and palate. In: Birth Defects Research Part A - Clinical and Molecular Teratology. 2010 ; Vol. 88, No. 4. pp. 256-259.
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