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2003 SEP 17 - (NewsRx.com & NewsRx.net) -- Some cases of breast cancer may be caused by a virus, according to new research by scientists at the University of New South Wales and Prince of Wales Hospital.
"More than 40% of Australian breast cancer samples have the virus, while it is only found in 2% of normal breast tissue samples [taken from cosmetic surgery]," says Caroline Ford, a University of New South Wales PhD student.
"If this virus does in fact play a role, it opens up the possibility of a preventive vaccine," says Ford. "However we have to do much more work to prove the link."
Breast cancer is the most common cancer of Australian women, affecting 1 in 11 women. While many risk factors have been identified, no clear causes of breast cancer have been defined.
The new virus, known as HHMMTV, is the human homologue of mouse mammary tumor virus that causes more than 95% of breast cancer in mice.
Ford's research was conducted with researchers from the Prince of Wales Hospital and published in the Journal of Clinical Cancer Research. Not only does the study demonstrate a strong link between HHMMTV and breast cancer, it also suggests an association ...