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Review
. 2009 Feb;9(2):95-107.
doi: 10.1038/nrc2584.

p53 polymorphisms: cancer implications

Catherine Whibley  1 , Paul D P Pharoah, Monica Hollstein
Affiliations
Review

p53 polymorphisms: cancer implications

Catherine Whibley et al. Nat Rev Cancer. 2009 Feb.

Abstract

The normal functioning of p53 is a potent barrier to cancer. Tumour-associated mutations in TP53, typically single nucleotide substitutions in the coding sequence, are a hallmark of most human cancers and cause dramatic defects in p53 function. By contrast, only a small fraction, if any, of the >200 naturally occurring sequence variations (single nucleotide polymorphisms, SNPs) of TP53 in human populations are expected to cause measurable perturbation of p53 function. Polymorphisms in the TP53 locus that might have cancer-related phenotypical manifestations are the subject of this Review. Polymorphic variants of other genes in the p53 pathway, such as MDM2, which might have biological consequences either individually or in combination with p53 variants are also discussed.

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