Title |
Smoking is associated with mosaic loss of chromosome Y
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Published in |
Science, December 2014
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DOI | 10.1126/science.1262092 |
Pubmed ID | |
Authors |
Jan P Dumanski, Chiara Rasi, Mikael Lönn, Hanna Davies, Martin Ingelsson, Vilmantas Giedraitis, Lars Lannfelt, Patrik K E Magnusson, Cecilia M Lindgren, Andrew P Morris, David Cesarini, Magnus Johannesson, Eva Tiensuu Janson, Lars Lind, Nancy L Pedersen, Erik Ingelsson, Lars A Forsberg |
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 with 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% confidence interval (CI) = 2.8 to 6.7; Uppsala Longitudinal Study of Adult Men: OR = 2.4, 95% CI = 1.6 to 3.6; and Prospective Investigation of the Vasculature in Uppsala Seniors: OR = 3.5, 95% CI = 1.4 to 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. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
United States | 23 | 18% |
Saudi Arabia | 9 | 7% |
Japan | 4 | 3% |
Sweden | 4 | 3% |
United Kingdom | 4 | 3% |
Turkey | 3 | 2% |
Australia | 3 | 2% |
Kuwait | 3 | 2% |
Germany | 3 | 2% |
Other | 17 | 13% |
Unknown | 53 | 42% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Members of the public | 83 | 66% |
Scientists | 30 | 24% |
Practitioners (doctors, other healthcare professionals) | 11 | 9% |
Science communicators (journalists, bloggers, editors) | 2 | 2% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
United States | 6 | 3% |
Germany | 1 | <1% |
France | 1 | <1% |
Brazil | 1 | <1% |
Norway | 1 | <1% |
Japan | 1 | <1% |
Romania | 1 | <1% |
Unknown | 199 | 94% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 53 | 25% |
Researcher | 44 | 21% |
Student > Bachelor | 23 | 11% |
Student > Master | 18 | 9% |
Other | 11 | 5% |
Other | 37 | 18% |
Unknown | 25 | 12% |
Readers by discipline | Count | As % |
---|---|---|
Biochemistry, Genetics and Molecular Biology | 59 | 28% |
Agricultural and Biological Sciences | 56 | 27% |
Medicine and Dentistry | 33 | 16% |
Computer Science | 6 | 3% |
Neuroscience | 6 | 3% |
Other | 22 | 10% |
Unknown | 29 | 14% |