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Tuesday, July 24, 2007

Molecular mechanisms of alcohol-mediated carcinogenesis

Nature Reviews Cancer 7, 599-612 (August 2007) |





Approximately 3.6% of cancers worldwide derive from chronic alcohol drinking, including those of the upper aerodigestive tract, the liver, the colorectum and the breast.

Although the mechanisms for alcohol-associated carcinogenesis are not completely understood, most recent research has focused on acetaldehyde, the first and most toxic ethanol metabolite, as a cancer-causing agent.

Ethanol may also stimulate carcinogenesis by inhibiting DNA methylation and by interacting with retinoid metabolism.

Alcohol-related carcinogenesis may interact with other factors such as smoking, diet and comorbidities, and depends on genetic susceptibility.

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Reprint Request E-Mail: helmut_karl.seitz@urz.uni-heidelberg.de
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