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Impacts of RETN genetic polymorphism on breast cancer development.

ABSTRACT: The adipokine resistin is linked with obesity, inflammation and various cancers, including breast cancer. This study sought to determine whether certain polymorphisms in the gene encoding resistin, RETN, increase the risk of breast cancer susceptibility. We analyzed levels of resistin expression in breast cancer tissue and samples from The Cancer Genome Atlas database. We also examined associations between four RETN single nucleotide polymorphisms (SNPs; rs3745367, rs7408174, rs1862513 and rs3219175) and breast cancer susceptibility in 515 patients with breast cancer and 541 healthy women without cancer. Compared with wild-type (GG) carriers, those carrying the AG genotype of the RETN SNP rs3219175 and those carrying at least one A allele in the SNP rs3219175 had a higher chance of developing breast cancer (adjusted odds ratio, AOR: 1.295, 95% confidence intervals, CI: 1.065-1.575 and 2.202, 1.701-2.243, respectively). When clinical aspects and the RETN SNP rs7408174 were examined in the breast cancer cohort, the CT genotype was linked to late-stage disease, while women with luminal A disease and at least one C allele were likely to progress to stage III/IV disease and to develop highly pathological grade III disease. Moreover, resistin-positive individuals were at greater risk than resistin-negative individuals for developing pathological grade III disease (OR: 5.020; 95% CI: 1.380-18.259). This study details risk associations between resistin and RETN SNPs in breast cancer susceptibility in Chinese Han women.

SUBMITTER: Wang CQ

PROVIDER: S-EPMC7086250 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Impacts of RETN genetic polymorphism on breast cancer development.

Wang Chao-Qun CQ Tang Chih-Hsin CH Tzeng Huey-En HE Jin Lulu L Zhao Jin J Kang Le L Wang Yan Y Hu Gui-Nv GN Huang Bi-Fei BF Li Xiaoni X Zhao Yong-Ming YM Su Chen-Ming CM Jin Hong-Chuan HC

Journal of Cancer 20200220 10

The adipokine resistin is linked with obesity, inflammation and various cancers, including breast cancer. This study sought to determine whether certain polymorphisms in the gene encoding resistin, RETN, increase the risk of breast cancer susceptibility. We analyzed levels of resistin expression in breast cancer tissue and samples from The Cancer Genome Atlas database. We also examined associations between four RETN single nucleotide polymorphisms (SNPs; rs3745367, rs7408174, rs1862513 and rs321 ...[more]

PMID: 32226495

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Project description:SENP proteases take part in post-translational modification of proteins known as sumoylation. They catalyze three distinct processes during sumoylation: processing of SUMO protein, deconjugation of SUMO from the target protein, and chain editing which mentions to the dismantling of SUMO chain. Many proteins that are involved in the basic processes of cells, such as regulation of transcription, DNA repair or cell cycle control, are sumoylated. The aim of these studies was to investigate an association between polymorphic variants (SNPs) of the SENP1 gene (c.1691 + 36C > T, rs12297820) and SENP2 gene (c.902C > A, p.Thr301Lys, rs6762208) and a risk of breast cancer occurrence. We performed a case-control study in 324 breast cancer cases and 335 controls using PCR-RLFP. In the case of the SENP1 gene polymorphism we did not find any association between this polymorphism and breast cancer risk. In the case of SENP2 gene polymorphism we observed higher risk of breast cancer for carriers of the A allele (OR =1.33; 95 % CI 1.04-1.69). Our analysis also showed the genotype C/C (OR =0.67, 95 % CI 0.48-0.93) and the allele C (OR =0.75, 95 % CI 0.59-0.69) of this polymorphism decrease a risk of breast cancer. We also checked the distribution of genotypes and frequency of alleles of the SENP1 and SENP2 genes polymorphisms in groups of patients with different hormone receptor status, patients with positive and negative lymph node status and patients with different tumor grade. Odds ratio analysis showed a higher risk of metastases in women with the genotype C/C (OR =2.07, 95 % CI 1.06-4.05) and allele C (OR =2.10 95 % CI 1.10-4.01) of the c.1691 + 36C > T SENP1 gene polymorphism. Moreover, we observed reduced risk in women with the allele T (OR =0.48, 95 % CI 0.25-0.91) in this polymorphic site. In the case of SENP2 gene polymorphism we observed that the A/A genotype correlated with the lack of estrogen receptor (OR =1.94, 95 % CI 1.04-3.62). Our results suggest that the variability of the SENP1 and SENP2 genes may play a role in breast cancer occurrence. Further studies are needed to clarify their biological functions in breast cancer.

Dataset Information

Impacts of RETN genetic polymorphism on breast cancer development.

Publications

Impacts of RETN genetic polymorphism on breast cancer development.

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