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A mechanism of COX-2 excess in tumors
Altered expression of the mRNA stability factor HuR promotes cyclooxygenase-2 expression in colon cancer cells.
Email: Tudor Toma - t.toma@ic.ac.uk News from The Scientist 2001, 2(1):20011218-02
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Cyclooxygenase-2 (COX-2) is a rate-limiting enzyme in prostaglandin biosynthesis with a potential role in promoting colon carcinogenesis, but the mechanism of COX-2 overexpression remains unknown. In December 1 Journal of Clinical Investigation, Dan Dixon and colleagues from University of Utah, Salt Lake City, USA, show that altered expression of the mRNA stability factor HuR promotes cyclooxygenase-2 expression in colon cancer cells.
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