Home Neoplasma 2014 Neoplasma Vol.61, No.1, p.70-76, 2014

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Neoplasma Vol.61, No.1, p.70-76, 2014

Title: ATM and TGFB1 genes polymorphisms in prediction of late complications of chemoradiotherapy in patients with locally advanced cervical cancer
Author: S. Paulikova, J. Petera, I. Sirak, M. Vosmik, M. Drastikova, L. Dusek, M. Cvanova, R. Soumarova, J. Spacek, M. Beranek

Abstract: The purpose of our study was to evaluate a possible correlation between genetic polymorphisms in ATM and TGFB1 genes and late toxicity of chemoradiotherapy for locally advanced cervical cancer. Fifty five patients with FIGO stage IIB and higher without a disease recurrence with a mean follow up of 6 years were included. Late toxicity was assessed by EORTC/RTOG late toxicity criteria. Univariate and multivariate logistic regression model was used for statistical analysis. Degree of association between polymorphisms and late toxicity of chemotherapy was assessed on the basis of phi-coefficient (φ) as well. We did not find any association between 5557G>A polymorphism in the ATM gene or single TGFB1 polymorphisms and late toxicity. TGFB1 compound homozygosity (-1552delAGG, -509C>T, L10P) was a significant predictive factor of grade III-IV and any grade of complications in both univariate and multivariate logistic regression analyses and statistical significance of association between polymorphisms and late toxicity of chemoradiotherapy was confirmed also by the evaluation of phi-coefficient (φ). We conclude that haplotypes instead of single nucleotide polymorphic sites in the genes may better characterize the individual radiosensitivity.

Keywords: cervical cancer, radiotherapy, ATM, TGFB1, late toxicity
Published online: 19-Sep-2013
Year: 2014, Volume: 61, Issue: 1 Page From: 70, Page To: 76

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