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Association between functional polymorphisms in the flanking region of miR-143/145 and risk of papillary thyroid carcinoma: A case-control study.


ABSTRACT: MiR-143 and miR-145 were down-regulated in papillary thyroid carcinoma (PTC) involving in cell proliferation, apoptosis, migration, invasion, and epithelial to mesenchymal transition. In this study, we aimed to investigate the association between 2 functional polymorphisms (ie, rs4705342 and rs353292) in the flanking region of miR-143/145 and risk of PTC.A case-control study including 316 PTC patients and 347 controls was performed. The rs4705342 and rs353292 were genotyped by using the TaqMan allelic discrimination. The results were confirmed by DNA sequencing.For the rs4705342, a reduced risk of PTC was observed in heterozygous comparison, dominant genetic model and allele comparison (CC vs TT: adjusted OR?=?0.37, 95% CI?=?0.19-0.74, P?=?.003; CT/CC vs TT: adjusted OR?=?0.64, 95% CI?=?0.47-0.87, P?=?.005;?C vs T: adjusted OR?=?0.66, 95% CI?=?0.52-0.85, P?=?.001, respectively). No significant difference was found in the genotypic distributions of the rs353292 between cases and controls.These findings indicate that the rs4705342 in the flanking region of miR-143/145 may be a protective factor against the occurrence of PTC. Further study is therefore required to investigate the correlation between the genotype and V-raf murine sarcoma viral oncogene homolog B1 V600E, rat sarcoma viral oncogene homolog mutations, rearranged in transformation/PTC1 and rearranged in transformation/PTC3.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC7717760 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Association between functional polymorphisms in the flanking region of miR-143/145 and risk of papillary thyroid carcinoma: A case-control study.

Wang Yichao Y   Zhou Shengliang S   Zhao Wanjun W   Li Zhihui Z   Zhu Jingqiang J   Wei Tao T   Song Haolan H  

Medicine 20201201 49


MiR-143 and miR-145 were down-regulated in papillary thyroid carcinoma (PTC) involving in cell proliferation, apoptosis, migration, invasion, and epithelial to mesenchymal transition. In this study, we aimed to investigate the association between 2 functional polymorphisms (ie, rs4705342 and rs353292) in the flanking region of miR-143/145 and risk of PTC.A case-control study including 316 PTC patients and 347 controls was performed. The rs4705342 and rs353292 were genotyped by using the TaqMan a  ...[more]

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