摘要 :
Nonsteroidal anti-inflammatory drugs (NSAIDs) clearly reduce the risk of human colorectal neoplasia in epidemiological and prospective randomized clinical studies of aspirin and nonaspirin NSAIDs, including selective cyclooxygenas...
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Nonsteroidal anti-inflammatory drugs (NSAIDs) clearly reduce the risk of human colorectal neoplasia in epidemiological and prospective randomized clinical studies of aspirin and nonaspirin NSAIDs, including selective cyclooxygenase-2 (COX-2) inhibitors, or coxibs (1-3). In contrast, the epidemiological and clinical data on NSAIDs in reducing breast cancer risk are not consistent. This inconsistency is likely attributable to contrasting expression patterns of COX-2, a key target of NSAIDs, in breast and colon neoplasia (4,5), and to differing activities of individual NSAIDs (which have varying selectivity for COX-2 vs COX-1), including a potentially selective impact of certain NSAIDs on hormone receptor-positive breast tumors.
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