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Published in: Pathology & Oncology Research 2/2015

01-04-2015 | Research

Tumor Necrosis Factor Alpha (−238 / −308) and TNFRII-VNTR (−322) Polymorphisms as Genetic Biomarkers of Susceptibility to Develop Cervical Cancer Among Tunisians

Authors: Sabrina Zidi, Mouna Stayoussef, Ferjeni Zouidi, Samir Benali, Ezzedine Gazouani, Amel Mezlini, Besma Yacoubi-Loueslati

Published in: Pathology & Oncology Research | Issue 2/2015

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Abstract

Host genetic factors may confer susceptibility to Cervical Cancer. TNF-α as pro-inflammatory cytokine participates in the maintenance of immune homeostasis. Allelic variation of immuno-modulatory genes is associated with alteration in immune function. This study investigated the associations between TNF-α-308G>A, −238G>A, and TNFRII - VNTR-322 and cervical cancer in Tunisian women. Genotypes of those polymorphisms were detected in 130 cases and 260 controls. The variant heterozygote −308 G/A was associated with a 41 % decreased risk of cervical cancer (GG vs A/A; p = 0.002; OR = 0.41; 95 % CI =0.23–0.76). Furthermore, compared with dominant variant G/G, the (G/A+A/A) genotypes was significantly associated with a decreased risk of CC (GG vs G/A+A/A; p = 0.026; OR = 0.62; 95 % CI = 0.40–0.97). The FIGO stratified analysis showed that the minor variant A/A and combined G/A+A/A of TNFα-238 G>A and TNFα-308 G>A increased the risk of the tumor evolution, respectively, (P = 0.011; OR = 2.98; 95 % CI = 1.16–7.72) (P = 0.008; OR = 2.76; 95 % CI = 1.20–6.41), (P = 0.000; OR = 16.33; 95 % CI = (5.10–55.23) (P = 0.000; OR = 7.54; 95 % CI = 2.68–22.29). There was statistically significant relationship between the incidence of the TNF-α mutations and the clinical progression of cancer according to the FIGO classification. In our study, the haploview analysis revealed no LD between rs1800629 and rs361525. TNF-α and TNFRII polymorphisms might be genetic risk factors for cervical cancer inTunisian population
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Metadata
Title
Tumor Necrosis Factor Alpha (−238 / −308) and TNFRII-VNTR (−322) Polymorphisms as Genetic Biomarkers of Susceptibility to Develop Cervical Cancer Among Tunisians
Authors
Sabrina Zidi
Mouna Stayoussef
Ferjeni Zouidi
Samir Benali
Ezzedine Gazouani
Amel Mezlini
Besma Yacoubi-Loueslati
Publication date
01-04-2015
Publisher
Springer Netherlands
Published in
Pathology & Oncology Research / Issue 2/2015
Print ISSN: 1219-4956
Electronic ISSN: 1532-2807
DOI
https://doi.org/10.1007/s12253-014-9826-2

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