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J BUON. 2019 Nov-Dec;24(6):2369-2376.

Association of the IL-10 gene rs1800872 (-592 C>A) polymorphism with breast cancer in a Mexican population.

Author information

1
División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Centro Médico Nacional de Occidente (CMNO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.

Abstract

PURPOSE:

Interleukin 10 (IL-10) gene polymorphisms are associated with different types of cancer, but these associations are inconsistent. The purpose of this study was to determine the frequency and association of the rs1800872 IL-10 gene polymorphism in Mexican women with breast cancer (BC).

METHODS:

The rs1800872 polymorphism was genotyped in 368 BC patients and 320 control women using the polymerase chain reaction (PCR).

RESULTS:

The rs1800872 polymorphism was a risk factor for BC compared to controls and BC patients with genotypes CA (p=0.004) and AA, and in the recessive model (p=0.0002), dominant model (CA+AA; p=0.0001), and allele A ( p=0.0001). Additionally, differences were observed in BC patients with the CA and CAAA genotypes who had chemotherapy gastric and hematological toxicity (p=0.022) and tumor stage IV (p=0.013) as a risk factor. Genotypes were CA in breastfeeding (p=0.017), AA in gastric toxicity (p=0.048), and CAAA in tumor stage I-II (p=0.019) as protective risk factors. In BC carriers of: 1) CAAA genotype with tumor stage I-II and breast feeding (≥6 months), 2) CA genotype BC Luminal A with tumor stage I-II, 3) CA genotype BC Luminal B with breastfeeding (≥6 months), and 4) CAAA genotypes in BC HER2 with indices of cellular proliferation (Ki-67) that were elevated (≥20%), were considered to be protective factors in BC patients.

CONCLUSION:

The IL-10 gene rs1800872 polymorphism was associated with BC susceptibility in this sample from the Mexican population.

PMID:
31983108
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