Skin Cancer

Harvard University details research in skin cancer

Published in Cancer Weekly, April 14th, 2009

"The MDM2 oncoprotein is a key negative regulator of the tumor suppressor p53. A functional MDM2 single nucleotide polymorphism (SNP309) in the promoter region increases the affinity of transcription activator Sp1 for the MDM2 gene promoter, resulting in higher expression of MDM2 and thus inhibition of p53 transcriptional activity," investigators in the United States report.

"UV-induced p53 activation promotes cutaneous transient pigmentation, and the common p53 Arg72Pro polymorphism alters the protein's transcriptional activity. We evaluated the effect of MDM2 SNP309 and its interaction with the p53 Arg72Pro polymorphism on pigmentary phenotypes and skin cancer risk in...

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Source: Cancer Weekly (2009-04-14)

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