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Association between IRF6 and nonsyndromic cleft lip with or without cleft palate in four populations.

ABSTRACT: PURPOSE:The interferon regulatory factor 6 (IRF6), the gene that causes van der Woude syndrome has been shown to be associated with nonsyndromic cleft lip with or without palate in several populations. This study aimed to confirm the contribution of IRF6 to cleft lip with or without palate risk in additional Asian populations. METHODS:A set of 13 single nucleotide polymorphisms was tested for association with cleft lip with or without palate in 77 European American, 146 Taiwanese, 34 Singaporean, and 40 Korean case-parent trios using both the transmission disequilibrium test and conditional logistic regression models. RESULTS:Evidence of linkage and association was observed among all four populations; and two specific haplotypes [GC composed of rs2235373-rs2235371 (p.V274I) and AAG of rs599021-rs2235373-rs595918] showed the most significant over- and undertransmission among Taiwanese cases (P=9x10(-6) and P=5x10(-6), respectively). The AGC/CGC diplotype composed of rs599021-rs2235373-rs2013162 showed almost a 7-fold increase in risk among the Taiwanese sample (P<10(-3)). These results confirmed the contribution of this gene to susceptibility of oral clefts across different populations; however, the specific single nucleotide polymorphisms showing statistical significance differed among ethnic groups. CONCLUSION:The high-risk genotypes and diplotypes identified here may provide a better understanding of the etiological role of this gene in oral clefts and potential options for genetic counseling.

SUBMITTER: Park JW

PROVIDER: S-EPMC2846512 | biostudies-literature | 2007 Apr

REPOSITORIES: biostudies-literature

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Association between IRF6 and nonsyndromic cleft lip with or without cleft palate in four populations.

Park Ji Wan JW McIntosh Iain I Hetmanski Jacqueline B JB Jabs Ethylin Wang EW Vander Kolk Craig A CA Wu-Chou Yah-Huei YH Chen Philip K PK Chong Samuel S SS Yeow Vincent V Jee Sun Ha SH Park Beyoung Yun BY Fallin M Daniele MD Ingersoll Roxann R Scott Alan F AF Beaty Terri H TH

Genetics in medicine : official journal of the American College of Medical Genetics 20070401 4

<h4>Purpose</h4>The interferon regulatory factor 6 (IRF6), the gene that causes van der Woude syndrome has been shown to be associated with nonsyndromic cleft lip with or without palate in several populations. This study aimed to confirm the contribution of IRF6 to cleft lip with or without palate risk in additional Asian populations.<h4>Methods</h4>A set of 13 single nucleotide polymorphisms was tested for association with cleft lip with or without palate in 77 European American, 146 Taiwanese, ...[more]

PMID: 17438386

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Project description:BackgroundPrevious genome-wide association studies have identified a link between the rs13041247 single nucleotide polymorphisms (SNPs) in the chromosome 20q12 locus and the development of the congenital malformation known as nonsyndromic cleft lip with or without cleft palate (NSCL/P). The present meta-analysis was therefore designed to formally assess the relationship between rs13041247 and NSCL/P.MethodsWe searched Embase, Web of Science, PubMed, the China National Knowledge Internet (CNKI), and the China Wanfang database in order to identify relevant published through 25 June 2019. This allowed us to identify 13 studies incorporating 4914 patients and 5981 controls for whom rs13041247 genotyping had been conducted, with STATA 12.0 then being used to conduct a meta-analysis of these pooled results. The I2 statistic was used to compare heterogeneity among studies.ResultsIn total this analysis incorporated 13 case-control studies. No association between the rs13041247 polymorphism and NSCL/P risk was detected in individuals of Asian ethnicity (C vs T: OR = 0.847, 95% CI = 0.702-1.021; CC vs TT: OR = 0.725, 95% CI = 0.494-1.063; CC vs CT: OR = 0.837, 95% CI = 0.657-1.067; CT + TT vs CC: OR = 1.265, 95% CI = 0.951-1.684; CC + CT vs TT: OR = 0.805, 95% CI = 0.630-1.029) or Caucasian ethnicity (C vs T: OR = 0.936, 95% CI = 0.786-1.114; CC vs TT: OR = 0.988, 95% CI = 0.674-1.446; CC vs CT: OR = 1.197, 95% CI = 0.816-1.757; CT + TT vs CC: OR = 0.918, 95% CI = 0.639-1.318; CC + CT vs TT: OR = 0.855, 95% CI = 0.677-1.081). However, an overall analysis of all participants in these studies revealed the rs13041247 C allele, the CT genotype, and the CC + CT model to be linked to a reduced NSCL/P risk (C vs T: OR = 0.897, 95% CI: 0.723-1.114, P = 0.048; CT vs TT: OR = 0.839, 95% CI: 0.734-0.959, P = 0.01; CC + CT vs TT: OR = 0.824, 95% CI: 0.701-0.968, P = 0.019).ConclusionThese results suggest that the rs13041247 SNP located at the 20q12 chromosomal locus is associated with NSCL/P risk in an overall pooled study population, although this association was not significant in East Asian or Caucasian populations.

Dataset Information

Association between IRF6 and nonsyndromic cleft lip with or without cleft palate in four populations.

Publications

Association between IRF6 and nonsyndromic cleft lip with or without cleft palate in four populations.

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