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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Müller-Decker, K. et al.

Müller-Decker, Furstenberger, Neumann, Schnolzer,

Differential protein expression in the epidermis of wild-type and COX-2 transgenic mice.

Cyclooxygenases (COX) 1 and 2 are the key enzymes of prostaglandin biosynthesis. Like in many tissues, in adult skin COX-1 is a constitutive 'housekeeping' enzyme, while COX-2 is induced transiently in stress situations such as tissue damage and regeneration. In human skin carcinomas and corresponding early-stage cancer lesions, permanent COX-2 expression and activation is a consistent feature. Knockout and various transgenic approaches and pharmacologic studies show strong evidence for a cause-and-effect relationship between the aberrant COX-2 activation and tumor formation. In skin epidermis, keratin 5 promoter-driven overexpression of COX-2 caused hyperplasia and dysplasia, and sensitized skin for carcinogenesis. Therefore, this model offers the unique possibility of identifying COX-2-dependent and prostaglandin-mediated molecular pathways leading to the formation and malignant progression of early-stage cancer lesions.[1]

References

Differential protein expression in the epidermis of wild-type and COX-2 transgenic mice. Müller-Decker, K., Furstenberger, G., Neumann, M., Schnolzer, M. Skin pharmacology and physiology. (2006) [Pubmed]

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