The Analysis of Genetic Polymorphism. The Relationship between Interleukin – 4 Polymorphisms and Intraepithelial Cervical Neoplasia
Journal Title: Applied Medical Informatics - Year 2010, Vol 27, Issue 3
Abstract
[i]Objectives[/i]: Interleukin 4 plays a critical role in T helper 2 responses to HPV infection and angiogenesis. The present study aim to study the association between the IL4 promoter polymorphism – 590 C>T, respectively VNTR intron 2 polymorphism and cervical intraepithelial neoplasia. [i]Material and Method[/i]: We have realized a prospective case controls study that included 128 cases of intraepithelial neoplasia positive for HPV HR testing and 111 controls negative for intraepithelial lesion and also negative for HPV HR. Clinical examination was performed on each patient; blood and cervical sample were obtained. Cervical probes were analyzed regarding cytology and HPV HR testing. From peripheral blood DNA sample was obtain followed by genotype analysis for IL4 -590 C>T using PCR RFLP, respectively IL4 70 bp VNTR determined by PCR. Results: The absolute frequency of genotypes for IL4 -590 C>T was T/T-5, C/T-42, C/C-81 in the cases group respectively T/T-2, C/T-32, C/C-77 in the control group. The chi-square test had a value of 0.983 (p=0.321) while considering the presence of a minimum one single variant allele as a risk factor for cervical cancer, respectively 0.926 (p=0.336) for homozygous variant genotype. Odds ratio was 0.761 (95%CI [0.443-1.306]) while considering C/T+T/T respectively 2R/3R, 2R/2R as a risk factor, and 0.451 (95%CI 95% [0.086-2.374]) - TT respectively 2R/2R as a risk factor. [i]Conclusion[/i]: No linear statistical significant association has been found between IL4 polymorphism and cervical neoplasia (p = 0.322).
Authors and Affiliations
Ioana ROTAR, Sorana BOLBOACĂ, Daniel MUREŞAN, Radu POPP, Marius FĂRCAŞ, Felicia PETRIŞOR, Cristina BUTUZA, Gabriela CARACOSTEA, Florin STAMATIAN
Keywords
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