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Article Open Access

Interaction of YAP1 and mTOR promotes bladder cancer progression

Retraction in: /10.3892/ijo.2024.5638
  • Authors:
    • Mingxi Xu
    • Meng Gu
    • Juan Zhou
    • Jun Da
    • Zhong Wang
  • View Affiliations / Copyright

    Affiliations: Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
    Copyright: © Xu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 232-242
    |
    Published online on: November 25, 2019
       https://doi.org/10.3892/ijo.2019.4922
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Abstract

Yes‑associated protein 1 (YAP1) and mammalian target of rapamycin (mTOR) signaling pathways have been found to be deregulated in bladder cancer and accelerate the malignant progression of bladder cancer. However, the crosstalk between YAP1 and mTOR and its role in bladder cancer progression remains unclear. The aim of the present study was to investigate this crosstalk and the results revealed that the expression of YAP1 and mTOR was elevated in bladder cancer tissues compared with that in adjacent normal tissues. Knockdown of either mTOR or YAP1 with siRNA transfection significantly repressed the proliferation ability and induced apoptosis of HT‑1376 and J82 bladder cancer cells, particularly when YAP1 and mTOR were downregulated simultaneously. Upregulation of mTOR increased the mRNA and protein levels of YAP1 and enhanced its nuclear accumulation. In turn, YAP1 upregulation increased mTOR expression, reduced its protein degradation and increased its stability. In addition, immunofluorescence and Duolink assays demonstrated that YAP1 and mTOR were co‑localized in the nucleus. Immunoprecipitation assay demonstrated that the YAP1 protein was able to bind to the mTOR protein. Moreover, YAP1 combined with S‑phase kinase‑associated protein 2 (SKP2) and positively regulated its expression. Furthermore, the promotion of cell growth and inhibition of cell apoptosis induced by YAP1 overexpression were abolished when SKP2 was downregulated in HT‑1376 and J82 cells. Taken together, the findings of the present study indicated that the crosstalk between YAP1 and mTOR plays a pivotal role in accelerating the progression of bladder cancer, which may provide new insights into the role of the YAP1/mTOR axis in the occurrence and development of bladder cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Xu M, Gu M, Zhou J, Da J and Wang Z: Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638. Int J Oncol 56: 232-242, 2020.
APA
Xu, M., Gu, M., Zhou, J., Da, J., & Wang, Z. (2020). Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638. International Journal of Oncology, 56, 232-242. https://doi.org/10.3892/ijo.2019.4922
MLA
Xu, M., Gu, M., Zhou, J., Da, J., Wang, Z."Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638". International Journal of Oncology 56.1 (2020): 232-242.
Chicago
Xu, M., Gu, M., Zhou, J., Da, J., Wang, Z."Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638". International Journal of Oncology 56, no. 1 (2020): 232-242. https://doi.org/10.3892/ijo.2019.4922
Copy and paste a formatted citation
x
Spandidos Publications style
Xu M, Gu M, Zhou J, Da J and Wang Z: Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638. Int J Oncol 56: 232-242, 2020.
APA
Xu, M., Gu, M., Zhou, J., Da, J., & Wang, Z. (2020). Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638. International Journal of Oncology, 56, 232-242. https://doi.org/10.3892/ijo.2019.4922
MLA
Xu, M., Gu, M., Zhou, J., Da, J., Wang, Z."Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638". International Journal of Oncology 56.1 (2020): 232-242.
Chicago
Xu, M., Gu, M., Zhou, J., Da, J., Wang, Z."Interaction of YAP1 and mTOR promotes bladder cancer progression Retraction in /10.3892/ijo.2024.5638". International Journal of Oncology 56, no. 1 (2020): 232-242. https://doi.org/10.3892/ijo.2019.4922
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