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Polymorphisms in MiRNA Genes Play Roles in the Initiation and Development of Cervical Cancer

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Journal J Cancer
Specialty Oncology
Date 2019 Oct 11
PMID 31598146
Citations 11
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Abstract

MicroRNA deregulation is crucial for cancer development. Studies showed that polymorphisms in miRNA genes could affect miRNA expression, which might be associated with cancer development. In the current study, we investigated the association of seven single nucleotide polymorphisms (SNPs) in seven miRNA genes with the initiation and development of cervical cancer in a Chinese Han population. The SNPs of 358 cervical intraepithelial neoplasia (CIN) patients, 547 cervical cancer patients and 567 healthy individuals were genotyped using TaqMan assays. Moreover, we evaluated the association of the seven SNPs with the different stages of cervical cancer. Our results showed that rs4636297 in miR-126 was associated with susceptibility to CIN and cervical cancer (=0.019 and 0.019, respectively) and that the T allele was associated with a higher risk of CIN (=1.334, : 1.049-1.698) and cervical cancer (=1.296, : 1.044-1.609). Similarly, rs11614913 in miR-125a was associated with CIN and cervical cancer (=0.025 and 0.015, respectively), and the T allele might be the protective factor for CIN (=0.807, : 0.669-0.974) and cervical cancer (=0.814, : 0.689-0.961). Our results indicated that rs4636297 in miR-126 and rs11614913 in miR-196a2 play an important role only in the initiation of cervical cancer not in the development of CIN to cervical cancer.

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