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Other highlights from the June 6 JNCI

Aspirin Use, But Not NSAIDS, Associated with Reduced Cancer Risk

In a prospective study, aspirin use was associated with lower risk of cancer incidence and mortality, particularly among former and non-smokers.

The effectiveness of aspirin and nonaspirin nonsteroidal anti-inflammatory drugs (NSAIDs) in preventing cancer is unclear, and the relationship is complicated further when smoking history is considered.

Aditya Bardia, M.D., of the Mayo Clinic in Rochester, Minn., and colleagues analyzed data from the Iowa Womens Health Study on aspirin and nonaspirin NSAID use, cancer incidence and mortality, and smoking history.

Aspirin use was associated with decreased risk of cancer incidence and mortality, as well as heart disease mortality, compared to people who didnt take aspirin. The association was stronger among former and never smokers than current smokers, although the difference was not statistically significant. Nonaspirin NSAID use was not associated with decreased risk.

Aspirin use could potentially prevent approximately 4.7% of the cancer incidence burden, 3.5% of the cancer mortality burden, and 7.6% of the coronary heart disease mortality burden in the population. Although these percentages may seem small, the impact on public health could be important, the authors write.

Contact: Elizabeth Zimmermann, Mayo Clinic, Department of Public Affairs, zimmermann.elizabeth@mayo.edu, (507) 266-0810


Mutations to Integrin 7 Gene May Promote Cancer Development

A protein called integrin 7 suppresses tumor growth and cell migration, and mutations in the integrin 7 gene are identified in various cancers, including prostate and liver cancer.

Integrins are important adhesive molecules in mammalian cells. Integrin 7 appears to be involved in muscle development and in communication between muscle cells and
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Contact: Liz Savage
jncimedia@oxfordjournals.org
301-841-1285
Journal of the National Cancer Institute
5-Jun-2007


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