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Sökning: WFRF:(Montagna Marco) > (2015)

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1.
  • Peterlongo, Paolo, et al. (författare)
  • FANCM c.5791C>T nonsense mutation (rs144567652) induces exon skipping, affects DNA repair activity and is a familial breast cancer risk factor.
  • 2015
  • Ingår i: Human Molecular Genetics. - : Oxford University Press (OUP). - 0964-6906 .- 1460-2083. ; 24:18, s. 5345-5355
  • Tidskriftsartikel (refereegranskat)abstract
    • Numerous genetic factors that influence breast cancer risk are known. However, approximately two-thirds of the overall familial risk remain unexplained. To determine whether some of the missing heritability is due to rare variants conferring high to moderate risk, we tested for an association between the c.5791C>T nonsense mutation (p.Arg1931*; rs144567652) in exon 22 of FANCM gene and breast cancer. An analysis of genotyping data from 8635 familial breast cancer cases and 6625 controls from different countries yielded an association between the c.5791C>T mutation and breast cancer risk [odds ratio (OR) = 3.93 (95% confidence interval (CI) = 1.28-12.11; P = 0.017)]. Moreover, we performed two meta-analyses of studies from countries with carriers in both cases and controls and of all available data. These analyses showed breast cancer associations with OR = 3.67 (95% CI = 1.04-12.87; P = 0.043) and OR = 3.33 (95% CI = 1.09-13.62; P = 0.032), respectively. Based on information theory-based prediction, we established that the mutation caused an out-of-frame deletion of exon 22, due to the creation of a binding site for the pre-mRNA processing protein hnRNP A1. Furthermore, genetic complementation analyses showed that the mutation influenced the DNA repair activity of the FANCM protein. In summary, we provide evidence for the first time showing that the common p.Arg1931* loss-of-function variant in FANCM is a risk factor for familial breast cancer.
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2.
  • Candido-dos-Reis, Francisco J, et al. (författare)
  • Germline mutation in BRCA1 or BRCA2 and ten-year survival for women diagnosed with epithelial ovarian cancer
  • 2015
  • Ingår i: Clinical Cancer Research. - 1078-0432. ; 21:3, s. 7-652
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To analyze the effect of germline mutations in BRCA1 and BRCA2 on mortality in patients with ovarian cancer up to 10 years after diagnosis.EXPERIMENTAL DESIGN: We used unpublished survival time data for 2,242 patients from two case-control studies and extended survival time data for 4,314 patients from previously reported studies. All participants had been screened for deleterious germline mutations in BRCA1 and BRCA2. Survival time was analyzed for the combined data using Cox proportional hazard models with BRCA1 and BRCA2 as time-varying covariates. Competing risks were analyzed using Fine and Gray model.RESULTS: The combined 10-year overall survival rate was 30% [95% confidence interval (CI), 28%-31%] for non-carriers, 25% (95% CI, 22%-28%) for BRCA1 carriers, and 35% (95% CI, 30%-41%) for BRCA2 carriers. The HR for BRCA1 was 0.53 at time zero and increased over time becoming greater than one at 4.8 years. For BRCA2, the HR was 0.42 at time zero and increased over time (predicted to become greater than 1 at 10.5 years). The results were similar when restricted to 3,202 patients with high-grade serous tumors and to ovarian cancer-specific mortality.CONCLUSIONS: BRCA1/2 mutations are associated with better short-term survival, but this advantage decreases over time and in BRCA1 carriers is eventually reversed. This may have important implications for therapy of both primary and relapsed disease and for analysis of long-term survival in clinical trials of new agents, particularly those that are effective in BRCA1/2 mutation carriers.
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3.
  • Motte, Damien, et al. (författare)
  • Effectiveness of the systematic engineering design methodology
  • 2015
  • Ingår i: Proceedings of the 20th International Conference on Engineering Design - ICED'15. - 2223-7941 .- 2220-4342. - 9781904670650 ; DS 80:2, s. 77-86
  • Konferensbidrag (refereegranskat)abstract
    • This paper reviews a set of published industrial applications and research studies in order to assess the effectiveness of the systematic engineering design methodology. Effectiveness, which can be considered as the degree to which the final design solution fulfils the design requirements, is one of the critical features of a design methodology. It cannot be concluded upon the reviewed publications that the methodology is not effective but it cannot be concluded either that the methodology is superior to an intuitive approach. The published industrial applications that have been identified have served mainly to confirm that the systematic engineering design methodology can lead to successful results. The identified research studies present more mixed results and show that several factors such as the engineering designer’s experience and motivation dramatically influence the outcome, at least as much as methodology. Both proponents and opponents of the systematic engineering design methodology seem to agree that the systematic methodology used flexibly is more effective, but guidance on how to use the methodology in this way is required.
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