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Cyclooxygenase-2 and chemoprevention of breast cancer
1Department of Academic Biochemistry, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK. dgiles@icr.ac.uk
Abstract:
This article discusses the role of cyclooxygenase-2 (COX-2) in the aetiology and progression of breast cancer. Renewed interest in chemoprevention using non-steroidal antiinflammatory drugs (NSAIDS) has come from observations that regular NSAID use is associated with a reduced incidence of some cancers including that of the breast. There is an increasing body of evidence supporting a role for COX-2 in breast cancer development and progression via effects on angiogenesis and apoptosis as well as via effects on intratumoural aromatase. New selective inhibitors of COX-2 are currently licensed for use in the treatment of arthritis and more recently in the chemoprevention of familial adenomatous polyposis (FAP). Large clinical chemoprevention studies with COX-2 inhibitors are already underway in colorectal cancer. Their role in breast cancer prevention and treatment has yet to be fully characterised, but merits further investigation.
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