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Prostaglandins Other Lipid Mediat. 2007 Jan;82(1-4):147-54. Epub 2006 Sep 1.

The role of cyclooxygenase-2 and prostaglandins in colon cancer.

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1
Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, United States. annie.eisinger@hci.utah.edu

Abstract

The temporal association between loss of function of the tumor suppressor adenomatous polyposis coli (APC) and overexpression of cyclooxygenase 2 (COX-2) has been demonstrated in vivo and has led to the hypothesis that APC regulates COX-2 expression. This could potentially occur through a variety of mechanisms including the well-characterized ability of APC to negatively regulate Wnt signaling and decrease expression of target genes. However, recent findings suggest that the products of COX-2 elicit effects that occur upstream of the beta-catenin/TCF/LEF pathway. This review will focus on the regulation of COX-2 by APC and the interplay between COX-2 and the Wnt signaling pathway.

[Indexed for MEDLINE]

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