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p53 polymorphisms: cancer implications
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DOI：10.1038/nrc2584.png)
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Abstract
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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.
Keywords:
GENOME-WIDE ASSOCIATION
LI-FRAUMENI-SYNDROME
SINGLE-NUCLEOTIDE POLYMORPHISMS
SQUAMOUS-CELL CARCINOMA
PROLYL ISOMERASE PIN1
GAIN-OF-FUNCTION
NONPOLYPOSIS COLORECTAL-CANCER
ACCELERATES TUMOR-FORMATION
PROLINE-RICH DOMAIN
DNA-BINDING DOMAIN
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