Background:Populations of French Polynesia(FP),where France performed atmospheric tests between 1966 and 1974,experience a high incidence of differentiated thyroid cancer(DTC).However,up to now,no sufficiently large s...
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Background:Populations of French Polynesia(FP),where France performed atmospheric tests between 1966 and 1974,experience a high incidence of differentiated thyroid cancer(DTC).However,up to now,no sufficiently large study of DTC genetic factors in this population has been performed to reach definitive *** research aimed to analyze the genetic factors of DTC risk among the native FP ***:We analyzed more than 300000 single nucleotide polymorphisms(SNPs)genotyped in 283 DTC cases and 418 matched controls born in FP,most being younger than 15 years old at the time of the first nuclear *** analyzed the genetic profile of our cohort to identify population *** then completed a genome-wide analysis study on the whole ***:We identified a specific genetic structure in the FP population reflecting admixture from Asian and European *** identified three regions associated with increased DTC risk at 6q24.3,10p12.2,and *** lead SNPs at these loci showed respective p-values of 1.66×10^(−7),2.39×10^(−7),and 7.19×10^(−7) and corresponding odds ratios of 2.02,1.89,and ***:Our study results suggest a role of the loci 6q24.3,10p12.2 and 17q21.32 in DTC ***,a whole genome sequencing approach would be better suited to characterize these factors than genotyping with microarray chip designed for the Caucasian ***,the functional impact of these three new loci needs to be further explored and validated.
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