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Träfflista för sökning "WFRF:(Rasi Chiara) ;pers:(Morris Andrew P.)"

Sökning: WFRF:(Rasi Chiara) > Morris Andrew P.

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  • Dumanski, Jan P., et al. (författare)
  • Smoking is associated with mosaic loss of chromosome Y
  • 2015
  • Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 347:6217, s. 81-83
  • Tidskriftsartikel (refereegranskat)abstract
    • Tobacco smoking is a risk factor for numerous disorders, including cancers affecting organs outside the respiratory tract. Epidemiological data suggest that smoking is a greater risk factor for these cancers in males compared to females. This observation, together with the fact that males have a higher incidence of and mortality from most non-sex-specific cancers, remains unexplained. Loss of chromosome Y (LOY) in blood cells is associated with increased risk of nonhematological tumors. We demonstrate here that smoking is associated with LOY in blood cells in three independent cohorts [TwinGene: odds ratio (OR) = 4.3, 95% CI = 2.8-6.7; ULSAM: OR = 2.4, 95% CI = 1.6-3.6; and PIVUS: OR = 3.5, 95% CI = 1.4-8.4] encompassing a total of 6014 men. The data also suggest that smoking has a transient and dose-dependent mutagenic effect on LOY status. The finding that smoking induces LOY thus links a preventable risk factor with the most common acquired human mutation.
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3.
  • Forsberg, Lars A., et al. (författare)
  • Mosaic loss of chromosome Y in peripheral blood is associated with shorter survival and higher risk of cancer
  • 2014
  • Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 46:6, s. 624-628
  • Tidskriftsartikel (refereegranskat)abstract
    • Incidence and mortality for sex-unspecific cancers are higher among men, a fact that is largely unexplained(1,2). Furthermore, age-related loss of chromosome Y (LOY) is frequent in normal hematopoietic cells(3,4), but the phenotypic consequences of LOY have been elusive(5-10). From analysis of 1,153 elderly men, we report that LOY in peripheral blood was associated with risks of all-cause mortality (hazards ratio (HR) = 1.91, 95% confidence interval (CI) = 1.17-3.13; 637 events) and non-hematological cancer mortality (HR = 3.62, 95% CI = 1.56-8.41; 132 events). LOY affected at least 8.2% of the subjects in this cohort, and median survival times among men with LOY were 5.5 years shorter. Association of LOY with risk of all-cause mortality was validated in an independent cohort (HR = 3.66) in which 20.5% of subjects showed LOY. These results illustrate the impact of post-zygotic mosaicism on disease risk, could explain why males are more frequently affected by cancer and suggest that chromosome Y is important in processes beyond sex determination. LOY in blood could become a predictive biomarker of male carcinogenesis.
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