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A multicentric association study between 39 genes and nonsyndromic cleft lip and palate in a Brazilian population.

Authors: De Araujo, TK  Secolin, R  Felix, TM  De Souza, LT  Fontes, MI  Monlleo, IL  De Souza, J  Fett-Conte, AC  Ribeiro, EM  Xavier, AC  De Rezende, AA  Simioni, M  Ribeiro-dos-Santos, AK  Dos Santos, SE  Gil-da-Silva-Lopes, VL 
Citation: de Araujo TK, etal., J Craniomaxillofac Surg. 2016 Jan;44(1):16-20. doi: 10.1016/j.jcms.2015.07.026. Epub 2015 Aug 13.
Pubmed: (View Article at PubMed) PMID:26602496
DOI: Full-text: DOI:10.1016/j.jcms.2015.07.026

PURPOSE: The aim of this study was to use the TaqMan OpenArray system to evaluate associations between 39 genes and the etiology of nonsyndromic cleft lip and palate (NSCLP) in a Brazilian population. MATERIAL AND METHODS: This case-control association study was designed with 80.11% statistical power according to logistic regression (GPOWER software). The case group had 182 patients with NSCLP enrolled in the Brazilian Database on Orofacial Clefts. The controls included 355 healthy individuals with no history of oral clefting in the past three generations. All samples were genotyped for 253 tag single nucleotide polymorphisms (tagSNPs) in 39 genes, including two that had recently been associated with this process. The association analysis was performed using logistic regression and stepwise regression. The results were corrected for multiple testing [Bonferroni correction and False Discovery Rate (FDR)]. RESULTS: Twenty-four SNPs in 16 genes were significantly associated with the etiology of NSCLP, including MSX1, SPRY1, MSX2, PRSS35, TFAP2A, SHH, VAX1, TBX10, WNT11, PAX9, BMP4, JAG2, AXIN2, DVL2, KIF7, and TCBE3. Stepwise regression analysis revealed that 11 genes contributed to 15.5% of the etiology of NSCLP in the sample. CONCLUSION: This is the first study to associate KIF7 and TCEB3 with the etiology of NSCLP. New technological approaches using the same design should help to identify further etiological susceptibility variants.

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CRRD Object Information
CRRD ID: 11553833
Created: 2016-10-13
Species: All species
Last Modified: 2016-10-13
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.