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  • Title: Genetic polymorphism of chemokine receptors CCR2 and CCR5 in Swedish cervical cancer patients.
    Author: Zheng B, Wiklund F, Gharizadeh B, Sadat M, Gambelunghe G, Hallmans G, Dillner J, Wallin KL, Ghaderi M.
    Journal: Anticancer Res; 2006; 26(5B):3669-74. PubMed ID: 17094383.
    Abstract:
    Chemokines are chemotactic cytokines that orchestrate leukocyte trafficking in tissues, thus, playing an important role in regulation of immunological processes. The aim of this study was to investigate the association of human papillomavirus (HPV) infection and cervical cancer with two DNA polymorphisms of the chemokine receptors CCR5-delta32 and CCR2-64I. The study material consisted of 50 cervical intraepithelial neoplasia (CIN) cases and 50 of age and sampling-date matched controls, 100 invasive cervix cancer cases and 100 of their corresponding matched disease-free controls. Pyrosequencing was employed to genotype the CCR2-64I polymorphism. CCR5-delta32 was genotyped using standard PCR fragment length analysis. The frequencies of CCR2 and CCR5 genotypes from 150 patients and 150 healthy controls were representative of the general population according to the Hardy-Weinberg equilibrium analysis. Risk association was computed with conditional logistic regression analysis. HPV-positive individuals with the rare CCR5deelta32/delta32 genotype have a risk of 4.58 (CI = 0.40-52.64, p-value = 0.045) compare to HPV negative group. The delta-32 mutation on the CCR locus is imperceptibly associated with increased risk of HPV infection. In total, cervical neoplasia was not associated with genetic polymorphism of CCR2 and CCR5.
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