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Regulation of NEAT1/miR-214-3p on the growth, migration and invasion of endometrial carcinoma cells

  • Gynecologic Oncology
  • Published:
Archives of Gynecology and Obstetrics Aims and scope Submit manuscript

Abstract

Objective

To investigate the function and mechanism of lnc NEAT1 in regulating the growth, migration and invasion of endometrial carcinoma (EC) cells.

Materials and methods

NEAT1 and miR-214-3p levels were measured by qRT-PCR. The protein levels of HMGA1, β-catenin, c-myc and MMP9 were evaluated by Western blot. The effects of NEAT1, HMGA1, miR-214-3p on the viability, migration and invasion of HEC-1A cells were accessed by WST-1 assay and transwell migration/invasion assay. The effect of miR-214-3p on Wnt signaling activity was tested by luciferase reporter assay.

Results

NEAT1, HMGA1 and β-catenin were significantly upregulated in EC tissues, and miR-214-3p was significantly downregulated. NEAT1 promoted the growth, migration and invasion of HEC-1A cells, and mRNA level of Wnt/β-catenin downstream genes c-myc and MMP9. In addition, HMGA1 upregualted the protein and mRNA levels of Wnt/β-catenin downstream genes c-myc and MMP9, and could improve cell viability, and increase numbers of migration and invasion of HEC-1A cells. miR-214-3p overexpression inhibited the proliferation, migration and invasion of HEC-1A cells, while NEAT1 overexpression reversed these effects. miR-214-3p overexpression inhibited the activity of Wnt/β-catenin pathway, while NEAT1 overexpression reversed this effect. Then, si-HMGA1 reduced the activity of Wnt/β-catenin pathway. Moreover, we found NEAT1 and HMGA1 bound to miR-214-3p by luciferase reporter assay, and NEAT1 and HMGA1 expression were negatively correlated with miR-214-3p.

Conclusion

NEAT1 regulates HMGA1 via miR-214-3p to regulate Wnt/β-catenin pathway, thus promotes the growth, migration and invasion of HEC-1A cells.

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Author contributions

JW performed the experiments and XZ analyzed the data. ZG and XM contributed to the quality control of data and algorithms. YS wrote the manuscript. YG conceived and designed the experiments and analyzed the data. All authors read and approved the final manuscript.

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Authors and Affiliations

  1. Department of Obstetric and Gynecology, The Third Hospital of Hebei Medical University, 139 Ziqiang Rd., Shijiazhuang, Hebei, 050051, People’s Republic of China

    Jian Wang, Xiangzhai Zhao, Zhaojun Guo, Xiaolin Ma, Yueqing Song & Ying Guo

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  1. Jian Wang
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  2. Xiangzhai Zhao
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  3. Zhaojun Guo
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  4. Xiaolin Ma
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Corresponding author

Correspondence to Jian Wang.

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The authors have no actual or potential conflicts of interest to declare.

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The study was approved by ethics committee of hospital.

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Wang, J., Zhao, X., Guo, Z. et al. Regulation of NEAT1/miR-214-3p on the growth, migration and invasion of endometrial carcinoma cells. Arch Gynecol Obstet 295, 1469–1475 (2017). https://doi.org/10.1007/s00404-017-4365-1

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  • DOI: https://doi.org/10.1007/s00404-017-4365-1

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