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      CCL2 -2518 A/G single nucleotide polymorphism as a risk factor for breast cancer.

      Molecular Biology Reports
      Aged, Alleles, Breast Neoplasms, genetics, metabolism, Chemokine CCL2, Female, Gene Frequency, Genetic Predisposition to Disease, Genotype, Humans, Middle Aged, Odds Ratio, Polymorphism, Genetic, Polymorphism, Single Nucleotide, Prevalence, Risk Factors

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          Abstract

          The contribution of the CCL2 -2518 A>G (rs 1024611) polymorphism in the occurrence and progression of various cancers has been found to be discordant. We studied the prevalence of the CCL2 -2518 A>G polymorphism in patients with breast cancer (n = 160) and controls (n = 323) in a sample of the Polish population. There were no significant differences in CCL2 -2518 A>G genotypes between patients with breast tumors and controls. Odds ratio (OR) for patients bearing the GG genotype was 1.481 (95% CI = 0.7711-2.845, P = 0.2358), and OR of the GG and AG genotypes was 0.7269 (95% CI = 0.4967-1.064, P = 0.1002). There was also no significant distinction in the prevalence of alleles between patients and healthy individuals. OR for the CCL2 -2518 G allele frequency was 0.8903 (95% CI = 0.6611-1.199, P = 0.4441). Analysis of the association between tumor size, lymph node metastases, histological grade, and distribution of genotypes and alleles for the CCL2 -2518 A>G polymorphism also did not show significant differences. Our results did not show association of the CCL2 -2518 A>G polymorphism with breast cancer occurrence and clinical characteristics in a sample of the Polish cohort.

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