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. 2022 Apr 22;13(5):738.
doi: 10.3390/genes13050738.

Association of SNP rs5069 in APOA1 with Benign Breast Diseases in a Mexican Population

Carolina Domínguez-Díaz  1 , María Cristina Morán-Moguel  2 , Rosa Elena Navarro-Hernandez  3 , Rebeca Romo-Vázquez  4 , Adriana Patricia Mendizabal-Ruiz  5
Affiliations

Association of SNP rs5069 in APOA1 with Benign Breast Diseases in a Mexican Population

Carolina Domínguez-Díaz et al. Genes (Basel). .

Abstract

Breast cancer (BCa) is the most common type of cancer affecting women worldwide. Some histological subtypes of benign breast disease (BBD) are considered risk factors for developing BCa. Single nucleotide polymorphisms (SNPs) in the genes encoding apolipoproteins A-I (APOA1) and B (APOB) have been associated with BCa in Tunisian, Chinese, and Taiwanese populations. The objective of this pilot study is to evaluate the possible contribution of APOA1 and APOB polymorphisms to BCa and BBD in the Mexican population. We analyzed the association of 4 SNPs in genes encoding apolipoproteins: rs670 and rs5069 in the APOA1 gene, and rs693 and rs1042031 in the APOB gene, by performing PCR-RFLP with DNA extracted from the biopsy tissue of Mexican women with BCa or BBD and whole blood samples obtained from the general population (GP). Our results showed an association between the CT + TT genotypes of the SNP rs5069 and BBD (p = 0.03201). In the A-T haplotype, the frequency of the SNPs rs670 and rs5069 differed significantly between the BBD group and the GP and BCa groups (p = 0.004111; p = 0.01303). In conclusion, the SNP rs5069 is associated with BBD but not with BCa in the Mexican population.

Keywords: Mexico; apolipoproteins; benign breast disease (BBD); breast cancer; rs5069; single nucleotide polymorphisms.

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Conflict of interest statement

The authors declare no conflict of interest.

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