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LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346

  • Authors:
    • Lu Zhang
    • Huihui Li
    • Mingbao Li
    • Wenxia Zhang
    • Zhou Yang
    • Shuquan Zhang
  • View Affiliations / Copyright

    Affiliations: Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
    Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 211-223
    |
    Published online on: April 8, 2020
       https://doi.org/10.3892/ijmm.2020.4570
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Abstract

Low‑density lipoprotein receptor‑related protein 6 (LRP6) promotes metastasis in numerous types of cancer; however, its role in trophoblast cells has been less frequently reported. In the present study, the effects of up‑ and downregulation of LRP6 on trophoblast cells were investigated accordingly. The study aimed to develop a therapeutic target for gestational choriocarcinoma. The expression levels of LRP6 in pre‑eclampsia (PE) tissues, trophoblast cell lines and gestational choriocarcinoma cells were determined using reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) assay. Double‑luciferase reporter analysis was conducted to detect the regulatory gene of LRP6. Furthermore, the proliferative, migratory and invasive abilities of trophoblasts and gestational choriocarcinoma cells were determined by CCK‑8, wound healing, and Transwell assays, respectively. The expression levels of the genes and proteins of interest [matrix metalloproteinase (MMP)‑2, MMP‑9, tissue inhibitor of metalloproteinase‑1 (TIMP‑1), and TIMP‑2] associated with tumor cell invasion were measured by performing RT‑qPCR and western blotting, respectively. The National Center for Biotechnology Information database revealed that LRP6 was relatively highly expressed in placental tissues, but was poorly expressed in PE tissues and trophoblast cell lines. The upregulation of LRP6 not only increased the activity, migration and invasion of trophoblast cells, but it also promoted the expression of MMP‑2 and MMP‑9, whereas it inhibited the expression levels of TIMP‑1 and TIMP‑2. Such results followed the opposite trend to those of downregulation of LRP6 in gestational choriocarcinoma cells. Moreover, LRP6 was predicted to be the target gene for microRNA (miR)‑346, which was highly expressed in PE tissues and trophoblast cell lines. The present study also revealed that LRP6 could reverse the effects of miR‑346 on the proliferation, migration and invasion of trophoblast cells. Therefore, considered collectively, the results of the present study have demonstrated that LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346, and that LRP6 may serve as a potential target in cancer treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang L, Li H, Li M, Zhang W, Yang Z and Zhang S: LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346. Int J Mol Med 46: 211-223, 2020.
APA
Zhang, L., Li, H., Li, M., Zhang, W., Yang, Z., & Zhang, S. (2020). LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346. International Journal of Molecular Medicine, 46, 211-223. https://doi.org/10.3892/ijmm.2020.4570
MLA
Zhang, L., Li, H., Li, M., Zhang, W., Yang, Z., Zhang, S."LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346". International Journal of Molecular Medicine 46.1 (2020): 211-223.
Chicago
Zhang, L., Li, H., Li, M., Zhang, W., Yang, Z., Zhang, S."LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346". International Journal of Molecular Medicine 46, no. 1 (2020): 211-223. https://doi.org/10.3892/ijmm.2020.4570
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang L, Li H, Li M, Zhang W, Yang Z and Zhang S: LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346. Int J Mol Med 46: 211-223, 2020.
APA
Zhang, L., Li, H., Li, M., Zhang, W., Yang, Z., & Zhang, S. (2020). LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346. International Journal of Molecular Medicine, 46, 211-223. https://doi.org/10.3892/ijmm.2020.4570
MLA
Zhang, L., Li, H., Li, M., Zhang, W., Yang, Z., Zhang, S."LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346". International Journal of Molecular Medicine 46.1 (2020): 211-223.
Chicago
Zhang, L., Li, H., Li, M., Zhang, W., Yang, Z., Zhang, S."LRP6 is involved in the proliferation, migration and invasion of trophoblast cells via miR‑346". International Journal of Molecular Medicine 46, no. 1 (2020): 211-223. https://doi.org/10.3892/ijmm.2020.4570
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