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Published in: Infectious Agents and Cancer 1/2011

Open Access 01-12-2011 | Research Article

TP 53 and MDM2 gene polymorphisms and risk of hepatocellular carcinoma among Italian patients

Authors: Valeria Di Vuolo, Luigi Buonaguro, Francesco Izzo, Simona Losito, Gerardo Botti, Franco M Buonaguro, Maria Lina Tornesello

Published in: Infectious Agents and Cancer | Issue 1/2011

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Abstract

Background

Single-nucleotide polymorphisms within TP 53 gene (codon 72 exon 4, rs1042522, encoding either arginine or proline) and MDM2 promoter (SNP309; rs2279744), have been independently associated with increased risk of several cancer types. Few studies have analysed the role of these polymorphisms in the development of hepatocellular carcinoma.

Methods

Genotype distribution of TP 53 codon 72 and MDM2 SNP309 in 61 viral hepatitis-related hepatocellular carcinoma cases and 122 blood samples (healthy controls) from Italian subjects were determined by PCR and restriction fragment length polymorphism (RFLP).

Results

Frequencies of TP 53 codon 72 alleles were not significantly different between cases and controls. A significant increase of MDM2 SNP309 G/G and T/G genotypes were observed among hepatocellular carcinoma cases (Odds Ratio, OR = 3.56, 95% Confidence Limits, 95% CI = 1.3-9.7; and OR = 2.82, 95% CI = 1.3-6.4, respectively).

Conclusions

These results highlight a significant role of MDM2 SNP309 G allele as a susceptibility gene for the development of viral hepatitis-related hepatocellular carcinoma among Italian subjects.
Appendix
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Metadata
Title
TP 53 and MDM2 gene polymorphisms and risk of hepatocellular carcinoma among Italian patients
Authors
Valeria Di Vuolo
Luigi Buonaguro
Francesco Izzo
Simona Losito
Gerardo Botti
Franco M Buonaguro
Maria Lina Tornesello
Publication date
01-12-2011
Publisher
BioMed Central
Published in
Infectious Agents and Cancer / Issue 1/2011
Electronic ISSN: 1750-9378
DOI
https://doi.org/10.1186/1750-9378-6-13

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