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- Karppinen, S. -M., et al.
(författare)
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Nordic collaborative study of the BARD1 Cys557Ser allele in 3956 patients with cancer: enrichment in familial BRCA1/BRCA2 mutation-negative breast cancer but not in other malignancies
- 2006
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Ingår i: Journal of Medical Genetics. - : BMJ. - 0022-2593 .- 1468-6244. ; 43:11, s. 856-862
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Tidskriftsartikel (refereegranskat)abstract
- Background: BARD1 was originally identified as a BRCA1- interacting protein but has also been described in tumour-suppressive functions independent of BRCA1. Several studies have indicated that the BARD1 gene is a potential target for germline changes predisposing to breast and ovarian cancer. The C- terminal Cys557Ser change has previously been uncovered to associate with an increased risk of breast cancer and was recently shown to result in defective apoptotic activities. Aim and methods: Conformation- sensitive gel electrophoresis, minisequencing, TaqMan assays, denaturing high- performance liquid chromatography analysis and DNA sequencing were used to investigate the prevalence of the Cys557Ser allele in a large Nordic case - control study cohort consisting of 2906 patients with breast or ovarian cancer, 734 with prostate cancer, 188 with colorectal cancer, 128 men with breast cancer, and 3591 controls from Finland, Iceland, Denmark, Sweden and Norway. Results: The frequency of the BARD1 Cys557Ser variant seemed to increase among patients from families with breast or ovarian cancer lacking BRCA1 or BRCA2 mutations: a significant difference was obtained compared with controls ( 6.8% v 2.7%; p < 0.001; odds ratio ( OR) 2.6; 95% confidence interval (CI) 1.7 to 4.0) and with patients from BRCA1/ BRCA2 mutation- positive families ( 6.8% v 2.2%; p = 0.01; OR 3.2; 95% CI 1.2 to 8.3). In contrast, no major association with male breast, ovarian, colorectal or prostate cancer was observed. Additionally, a novel BARD1 allele resulting in Ser558Pro was identified in familial breast cancer cases. Conclusion: These results provide further evidence that BARD1 Cys557Ser confers a slightly increased risk of breast cancer in women.
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- Siltanen, Sanna, et al.
(författare)
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ARLTS1 germline variants and the risk for breast, prostate, and colorectal cancer
- 2008
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Ingår i: European Journal of Human Genetics. - : Springer Science and Business Media LLC. - 1018-4813 .- 1476-5438. ; 16:8, s. 983-91
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Tidskriftsartikel (refereegranskat)abstract
- Recently, a nonsense alteration Trp149Stop in the ARLTS1 gene was found more frequently in familial cancer cases versus sporadic cancer patients and healthy controls. Here, the role of Trp149Stop or any other ARLTS1 germline variant was evaluated on breast, prostate, and colorectal cancer risk. The whole gene was screened for germline alterations in 855 familial cancer patients. The five observed variants were further screened in 1169 non-familial cancer patients as well as in 809 healthy population controls. The Trp149Stop was found at low frequencies (0.5-1.2%) in all patient subgroups versus 1.6% in controls, and the mutant allele did not co-segregate with disease status in families with multiple affected individuals. The CC genotype in the Cys148Arg variant was slightly more common among both familial and sporadic breast (odds ratio (OR), 1.48; 95% confidence interval (CI), 1.16-1.87; P=0.001) and prostate cancer patients (OR, 1.50; 95% CI, 1.13-1.99; P=0.005) when compared to controls. A novel ARLTS1 variant Gly65Val was found at higher frequency among familial prostate cancer patients (8 of 164, 4.9%) than in controls (13 of 809, 1.6%; OR, 3.14; 95% CI, 1.28-7.70, P=0.016). However, after adjusting for multiple testing, none of these results were still significant. No association was found with any of the variants and colorectal cancer risk. Our results suggest that Trp149Stop is not a predisposition allele in breast, prostate, or colorectal cancer in the Finnish population, and, while the Gly65Val variant may increase familial prostate cancer risk and the Cys148Arg change may affect both breast and prostate cancer risk, the evidence is not strong in these data.
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- Torniainen, Suvi, et al.
(författare)
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Lactase persistence, dietary intake of milk, and the risk for prostate cancer in Sweden and Finland.
- 2007
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Ingår i: Cancer Epidemiol Biomarkers Prev. - Univ Helsinki, Dept Med Genet, Helsinki 00251, Finland. Univ Helsinki, Cent Hosp, Mol Genet Lab, FIN-00014 Helsinki, Finland. Karolinska Inst, Dept Med Epidemiol & Biostat, S-10401 Stockholm, Sweden. Tampere Univ Hosp, Res Unit, FIN-33521 Tampere, Finland. Tampere Univ Hosp, Dept Clin Chem, FIN-33521 Tampere, Finland. Tampere Univ Hosp, Inst Med Technol, Canc Genet Lab, FIN-33521 Tampere, Finland. Tampere Univ Hosp, Dept Urol, FIN-33521 Tampere, Finland. Univ Tampere, Sch Med, FIN-33101 Tampere, Finland. Univ Milan, Dept Stat, I-20122 Milan, Italy. Univ Umea Hosp, Dept Surg & Perioperat Sci Urol & Androl, S-90185 Umea, Sweden. : AMER ASSOC CANCER RESEARCH. - 1055-9965 .- 1538-7755. ; 16:5, s. 956-61
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Tidskriftsartikel (refereegranskat)
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