The association between a mutated ras gene and cyclooxygenase-2 expression in human breast cancer cell lines.

Abstract excerpt

Cyclooxygenase (COX) is rate-limiting for arachidonic acid metabolism to the prostanoid family of eicosanoids. Some human breast cancers, notably those which are estrogen receptor (ER)-negative with high metastatic potential, produce high levels of prostaglandin E2 (PGE2). In some cell types, expression of the inducible COX-2 isoform occurred in association with a ras gene mutation. We determined COX-1 and COX-2...

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