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A Functional Polymorphism in the Promoter of miR-17-92 is Associated with a Reduced Risk of Cervical Squamous Cell Carcinoma

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Abstract

miR-17-92 cluster was differentially expressed in cervical cancer, playing an important role in regulating cell proliferation, apoptosis, migration, and invasion. The purpose of this study was to investigate the association between polymorphisms (i.e., rs9588884, rs982873, and rs1813389) in the promoter of miR-17-92 and the risk of cervical squamous cell carcinoma (CSCC). The rs9588884 polymorphism was genotyped using a Taqman assay and the rs982873 and rs1813389 polymorphisms were genotyped using a polymerase chain reaction-restriction fragment length polymorphism method. The expression levels of miR-17-92 were determined using a quantitative PCR analysis. The rs9588884 GG genotype was associated with a reduced risk of CSCC in homozygote comparison (adjusted OR = 0.47, 95% CI, 0.30–0.75, P = 0.001), dominant model (adjusted OR = 0.67, 95% CI, 0.50–0.91, P = 0.01), and recessive model (adjusted OR = 0.57, 95% CI, 0.38–0.85, P = 0.01). The rs9588884 G allele was also associated with a reduced risk of CSCC in allele comparison (adjusted OR = 0.71, 95% CI, 0.58–0.88, P = 0.002). Moreover, patients with the rs9588884 GG genotype had lower levels of miR-20a compared with the rs9588884 CC genotype (P = 0.03). These findings indicate that the rs9588884 GG genotype was associated with lower levels of miR-20a and eventually related to the risk of CSCC in Chinese women.

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Contributions

HJ designed and wrote the manuscript. Ni S performed sample collection and performed experiments. Tang R performed statistical analysis.

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Correspondence to Juan Huang.

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This study was carried out in accordance with the recommendations of the Institutional Human Ethics Committee of the Chengdu Women’s and Children’s Central Hospital with written informed consent from all subjects. All subjects gave written informed consent in accordance with the Declaration of Helsinki. The protocol was approved by the Institutional Human Ethics Committee of the Chengdu Women’s and Children’s Central Hospital.

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The authors declare that they have no conflict of interest.

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Huang, J., Ni, S. & Tang, R. A Functional Polymorphism in the Promoter of miR-17-92 is Associated with a Reduced Risk of Cervical Squamous Cell Carcinoma. Reprod. Sci. 27, 87–92 (2020). https://doi.org/10.1007/s43032-019-00007-6

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  • DOI: https://doi.org/10.1007/s43032-019-00007-6

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