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Search: WFRF:(Soriano Virtudes)

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1.
  • Nagore, Eduardo, et al. (author)
  • TERT promoter mutations in melanoma survival.
  • 2016
  • In: International Journal of Cancer. - : Wiley. - 0020-7136. ; 139:1, s. 75-84
  • Journal article (peer-reviewed)abstract
    • Despite advances in targeted therapies, the treatment of advanced melanoma remains an exercise in disease management, hence a need for biomarkers for identification of at risk primary melanoma patients. In this study we aimed to assess the prognostic value of TERT promoter mutations in primary melanomas. DNA from 300 patients with stage I/II melanoma was sequenced for TERT promoter and BRAF/NRAS mutations. Cumulative curves were drawn for patients with and without mutations with progression free and melanoma specific survival as outcomes. Cox proportional hazard regression models were used to determine the effect of the mutations on survivals. Individually, presence of TERT promoter and BRAF/NRAS mutations associated with poor disease free and melanoma specific survival with modification of the effect by the rs2853669 polymorphism within the TERT promoter. Hazard ratio (HR) for simultaneous occurrence of TERT promoter and BRAF/NRAS mutations for disease free survival was 2.25 (95%CI 1.2-4.4) and for melanoma specific survival 5.8 (95%CI 1.8-18.1). The effect of the mutations on melanoma-specific survival in non-carriers of variant allele of the polymorphism was significant (HR 4.4, 95%CI 1.3-14.9) but could not be calculated for the carriers due to low number of events. The variant allele per se showed association with increased survival (HR 0.4, 95%CI 0.1-0.9). The data in this study provides preliminary evidence that TERT promoter mutations in combination with BRAF/NRAS mutations can be used to identify patients at risk of aggressive disease and the possibility of refinement of the classification with inclusion of the rs2853669 polymorphism within TERT promoter. This article is protected by copyright. All rights reserved.
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2.
  • Stacey, Simon N, et al. (author)
  • A germline variant in the TP53 polyadenylation signal confers cancer susceptibility.
  • 2011
  • In: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 43:11, s. 1098-103
  • Journal article (peer-reviewed)abstract
    • To identify new risk variants for cutaneous basal cell carcinoma, we performed a genome-wide association study of 16 million SNPs identified through whole-genome sequencing of 457 Icelanders. We imputed genotypes for 41,675 Illumina SNP chip-typed Icelanders and their relatives. In the discovery phase, the strongest signal came from rs78378222[C] (odds ratio (OR) = 2.36, P = 5.2 × 10(-17)), which has a frequency of 0.0192 in the Icelandic population. We then confirmed this association in non-Icelandic samples (OR = 1.75, P = 0.0060; overall OR = 2.16, P = 2.2 × 10(-20)). rs78378222 is in the 3' untranslated region of TP53 and changes the AATAAA polyadenylation signal to AATACA, resulting in impaired 3'-end processing of TP53 mRNA. Investigation of other tumor types identified associations of this SNP with prostate cancer (OR = 1.44, P = 2.4 × 10(-6)), glioma (OR = 2.35, P = 1.0 × 10(-5)) and colorectal adenoma (OR = 1.39, P = 1.6 × 10(-4)). However, we observed no effect for breast cancer, a common Li-Fraumeni syndrome tumor (OR = 1.06, P = 0.57, 95% confidence interval 0.88-1.27).
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