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Article Dans Une Revue Precision Clinical Medicine Année : 2023

Genetic factors for differentiated thyroid cancer in French Polynesia: new candidate loci

Monia Zidane
  • Fonction : Auteur
Marc Haber
  • Fonction : Auteur
Thérèse Truong
Frédérique Rachédi
  • Fonction : Auteur
Catherine Ory
  • Fonction : Auteur
Sylvie Chevillard
  • Fonction : Auteur
Hélène Blanché
  • Fonction : Auteur
Robert Olaso
  • Fonction : Auteur
Anne Boland
  • Fonction : Auteur
Éric Conte
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Mojgan Karimi
  • Fonction : Auteur
Yan Ren
  • Fonction : Auteur
Constance Xhaard
  • Fonction : Auteur
Vincent Souchard
  • Fonction : Auteur
Jacques Gardon
  • Fonction : Auteur
Marc Taquet
  • Fonction : Auteur
André Bouville
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Jean-François Deleuze
  • Fonction : Auteur
Vladimir Drozdovitch
  • Fonction : Auteur
Jean-Baptiste Cazier
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Résumé

Abstract 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 conclusion. This research aimed to analyze the genetic factors of DTC risk among the native FP populations. Methods We analyzed more than 300 000 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 tests. We analyzed the genetic profile of our cohort to identify population subgroups. We then completed a genome-wide analysis study on the whole population. Results We identified a specific genetic structure in the FP population reflecting admixture from Asian and European populations. We identified three regions associated with increased DTC risk at 6q24.3, 10p12.2, and 17q21.32. The 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 2.37. Conclusion Our study results suggest a role of the loci 6q24.3, 10p12.2 and 17q21.32 in DTC risk. However, a whole genome sequencing approach would be better suited to characterize these factors than genotyping with microarray chip designed for the Caucasian population. Moreover, the functional impact of these three new loci needs to be further explored and validated.

Dates et versions

hal-04250877 , version 1 (20-10-2023)

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Citer

Monia Zidane, Marc Haber, Thérèse Truong, Frédérique Rachédi, Catherine Ory, et al.. Genetic factors for differentiated thyroid cancer in French Polynesia: new candidate loci. Precision Clinical Medicine, 2023, 6 (2), ⟨10.1093/pcmedi/pbad015⟩. ⟨hal-04250877⟩
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