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Type: Artigo de Periódico
Title: Study Of Irf6 And 8q24 Region In Non-syndromic Oral Clefts In The Brazilian Population
Author: de Souza
LT; Kowalski
TW; Ferrari
J; Monlleo
IL; Ribeiro
EM; de Souza
J; Fett-Conte
AC; de Araujo
TK; Gil-da-Silva-Lopes
VL; Ribeiro-dos-Santos
AKC; dos Santos
SEB; Felix
Abstract: We investigated the association between non-syndromic oral cleft and variants in IRF6 (rs2235371 and rs642961) and 8q24 region (rs987525) according to the ancestry contribution of the Brazilian population. Subjects and methodsSubjects with oral cleft (CL, CLP, or CP) and their parents were selected from different geographic regions of Brazil. Polymorphisms were genotyped using a TaqMan assay and genomic ancestry was estimated using a panel of 48 INDEL polymorphisms. ResultsA total of 259 probands were analyzed. A TDT detected overtransmission of the rs2235371G allele (P=0.0008) in the total sample. A significant association of this allele was also observed in CLP (P=0.0343) and CLP+CL (P=0.0027). IRF6 haplotype analysis showed that the G/A haplotype increased the risk for cleft in children (single dose: P=0.0038, double dose: P=0.0022) and in mothers (single dose: P=0.0016). The rs987525 (8q24) also exhibited an association between the A allele and the CLP+CL group (P=0.0462). These results were confirmed in the probands with European ancestry. ConclusionsThe 8q24 region plays a role in CL/P and the IRF6G/A haplotype (rs2235371/rs642961) increases the risk for oral cleft in the Brazilian population.
Subject: Cleft Lip
Cleft Palate
Congenital Defects
Candidate Gene Analysis
Rights: fechado
Identifier DOI: 10.1111/odi.12432
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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