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Cancer preventive phytochemicals as speed breakers in inflammatory signaling involved in aberrant COX-2 expression

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Authors
Surh, Young-Joon; Kundu, Joydeb Kumar
Issue Date
2007-08
Citation
Current Cancer Drug Targets, Vol.7 No.5, pp.447-458
Keywords
cancer preventioninflammationCOX-2NF-kappaBphytochemicals
Abstract
A causal association between inflammation and cancer has long been suspected. Multiple lines of compelling evidence from clinical, epiderniologic and laboratory studies support that inflammation plays a critical role in the promotion and progression stages of carcinogenesis. Recent progress in our understanding of the molecular biology of cancer highlights the intracellular signal transduction network, including-that involved in mediating the inflammatory response, which often functions abnormally during carcinogenesis. One of the key players in inflammatory signaling is cyclooxygenase-2 (COX-2). Aberrant upregulation of COX-2 is frequently observed in various precancerous and malignant tissues. Pro-inflammatory stimuli trigger the activation of an intracellular signal transduction network comprising proline-directed serine/threonine kinases, and their downstream transcription factors, resulting in an inappropriate induction of COX-2. Therefore, the normalization of inappropriately overamplified signaling cascades implicated in chronic inflammation-associated carcinogenesis by use of COX-2 specific inhibitors has been recognized as a rational and pragmatic strategy in molecular target-based cancer prevention. This review highlights the cancer preventive effects of some anti- in flammato ry phytochemicals derived from edible plants, and their underlying molecular mechanisms with a focus on representative transcription factors and upstream kinases responsible for COX-2 induction.
ISSN
1568-0096
URI
https://hdl.handle.net/10371/172684
DOI
https://doi.org/10.2174/156800907781386551
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Graduate School of Convergence Science and Technology (융합과학기술대학원)Dept. of Molecular and Biopharmaceutical Sciences (분자의학 및 바이오제약학과)Journal Papers (저널논문_분자의학 및 바이오제약학과)
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