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Cancer Lett. 2008 Sep 28;269(1):159-64. doi: 10.1016/j.canlet.2008.04.027. Epub 2008 May 29.

Analysis of TP53 codon 72 polymorphism in HPV-positive and HPV-negative penile carcinoma.

Author information

1
Viral Oncology and AIDS Reference Centre, National Cancer Institute, Fondazione Pascale, Cappella Cangiani, 80131 Naples, Italy.

Abstract

The association of the p53 polymorphism at codon 72 and susceptibility to develop human papillomavirus (HPV)-related cancer has been investigated in several studies with controversial results. In this study, 78 penile squamous cell carcinoma biopsies (n=17 from Uganda, n=61 from Italy) and blood samples from 150 healthy controls (n=57 from Uganda, n=93 from Italy) have been analyzed for the arginine and proline allele distribution. Among Ugandan cases the heterozygous, proline homozygous and arginine homozygous genotype frequency was 41.2%, 52.9% and 5.9%, respectively, and among controls was 40.3%, 54.4%, and 5.3%, respectively (P=0.9917). Conversely, among Italian cases genotype distribution was 42.6%, 4.9%, and 52.5%, and among controls was 34.4%, 7.5%, and 58.1%, respectively (P=0.5343). No significant differences in arginine and proline allele distribution were observed when the cases were stratified by HPV status. Therefore, no evidence of association between homozygosity for p53 arginine and HPV-related or HPV-unrelated penile squamous cell carcinoma was observed neither among Ugandan nor among Italian populations.

PMID:
18513854
DOI:
10.1016/j.canlet.2008.04.027
[Indexed for MEDLINE]

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