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lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling

  • Authors:
    • Rongkui Zhang
    • Jiping Wang
    • Er'na Jia
    • Jialiang Zhang
    • Nan Liu
    • Changliang Chi
  • View Affiliations / Copyright

    Affiliations: Department of Radiology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Gastroenterology, China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China, Department of Emergency, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Anesthesiology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Urology Surgery, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
    Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 578-588
    |
    Published online on: December 27, 2019
       https://doi.org/10.3892/ijmm.2019.4444
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Abstract

Accumulating evidence suggests that the aberrant expression of long non‑coding RNAs (lncRNAs) is involved in the initiation, development and metastasis of bladder cancer (BC). Although several differentially expressed lncRNAs have been identified via lncRNA expression profiling of BC tissues, their functions and the molecular mechanisms underlying these functions remain to be fully elucidated. In the present study, elevated levels of lncRNA breast cancer anti‑estrogen receptor 4 (BCAR4) were identified in BC tissues compared with matched healthy tissues. Silencing of BCAR4 inhibited cell proliferation and induced apoptosis in BC cell lines 5637 and T24. Downregulation of BCAR4 led to the inactivation of Wnt signaling. Mechanistically, BCAR4 directly sponged microRNA (miR)‑370‑3p and elevated Wnt7a expression. Endogenous expression of Wnt7a reversed BCAR4 silencing‑mediated cell growth arrest and induction of apoptosis in BC cells accompanied with a re‑activation of Wnt signaling. Reverse transcription‑quantitative PCR indicated that there was a strong association between BCAR4, miR‑370‑3p and Wnt7a expression in tumors from patients with BC compared with healthy control tissues. In conclusion, results of the present study suggest that lncRNA BCAR4 promoted proliferation and survival of BC cells via downregulation of miR‑370‑3p. Therefore, lncRNA BCAR4 may be a lncRNA of oncogenic potential in BC.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang R, Wang J, Jia E, Zhang J, Liu N and Chi C: lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling. Int J Mol Med 45: 578-588, 2020.
APA
Zhang, R., Wang, J., Jia, E., Zhang, J., Liu, N., & Chi, C. (2020). lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling. International Journal of Molecular Medicine, 45, 578-588. https://doi.org/10.3892/ijmm.2019.4444
MLA
Zhang, R., Wang, J., Jia, E., Zhang, J., Liu, N., Chi, C."lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling". International Journal of Molecular Medicine 45.2 (2020): 578-588.
Chicago
Zhang, R., Wang, J., Jia, E., Zhang, J., Liu, N., Chi, C."lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling". International Journal of Molecular Medicine 45, no. 2 (2020): 578-588. https://doi.org/10.3892/ijmm.2019.4444
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang R, Wang J, Jia E, Zhang J, Liu N and Chi C: lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling. Int J Mol Med 45: 578-588, 2020.
APA
Zhang, R., Wang, J., Jia, E., Zhang, J., Liu, N., & Chi, C. (2020). lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling. International Journal of Molecular Medicine, 45, 578-588. https://doi.org/10.3892/ijmm.2019.4444
MLA
Zhang, R., Wang, J., Jia, E., Zhang, J., Liu, N., Chi, C."lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling". International Journal of Molecular Medicine 45.2 (2020): 578-588.
Chicago
Zhang, R., Wang, J., Jia, E., Zhang, J., Liu, N., Chi, C."lncRNA BCAR4 sponges miR‑370‑3p to promote bladder cancer progression via Wnt signaling". International Journal of Molecular Medicine 45, no. 2 (2020): 578-588. https://doi.org/10.3892/ijmm.2019.4444
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