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Article Open Access

Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells

  • Authors:
    • Cheng Wang
    • Zi‑Man Zhu
    • Cheng‑Li Liu
    • Xiao‑Jun He
    • Hong‑Yi Zhang
    • Jia‑Hong Dong
  • View Affiliations / Copyright

    Affiliations: Department of Hepatobiliary Surgery, Air Force General Hospital, PLA, Beijing 100142, P.R. China, Department of Hepatobiliary Surgery, First Hospital Affiliated to PLA General Hospital, Beijing 100048, P.R. China, Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY_NC 3.0].
  • Pages: 4101-4108
    |
    Published online on: January 26, 2015
       https://doi.org/10.3892/mmr.2015.3257
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Abstract

The pathogenesis of hepatocellular carcinoma (HCC) is thought to involve the interaction of numerous genes. Identification of these genes and proteins which regulate liver carcinogenesis is critical for the exploration of novel targeted therapies. Yes‑associated protein (YAP) and large tumor suppressor 1 (LATS1) are associated with HCC cells. LATS1 is an upstream inhibitory factor of YAP in the Hippo pathway. The aim of the present study was to measure the expression of LATS1 in Yap‑downregulated cancer cells. Immunohistochemistry was used to determine YAP and LATS1 levels in HCC tissue samples. High YAP‑expressing cell lines were selected from two human hepatocellular carcinoma cells with different metastatic potential. In addition, changes in cell growth rates and LATS1 expression in human HCC 97H cells, in which YAP had been knocked down using RNA interference (RNAi). The proliferation of cells was evaluated using an MTS assay and changes in the progression of cell division were assessed through cell cycle analysis. Western blot analysis was then used to determine YAP and LATS1 expression levels in 97H cells. The results of the present study demonstrated that overexpression of YAP was negatively correlated with LATS1 expression in HCC cells (P=0.016). Knockdown of YAP using lentivirus‑small hairpin (sh)RNA significantly inhibited 97H cell growth; in addition, the downregulation of YAP protein levels (33.4%) was accompanied by downregulation of LATS1 protein levels (68.5%). In conclusion, these results demonstrated that as an inhibitor of YAP, LATS1 was decreased via downregulation of YAP using RNAi. This therefore indicated that the change in YAP levels in HCC cells may regulate LATS1 in a feedback manner.
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Copy and paste a formatted citation
Spandidos Publications style
Wang C, Zhu ZM, Liu CL, He XJ, Zhang HY and Dong JH: Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells. Mol Med Rep 11: 4101-4108, 2015.
APA
Wang, C., Zhu, Z., Liu, C., He, X., Zhang, H., & Dong, J. (2015). Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells. Molecular Medicine Reports, 11, 4101-4108. https://doi.org/10.3892/mmr.2015.3257
MLA
Wang, C., Zhu, Z., Liu, C., He, X., Zhang, H., Dong, J."Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells". Molecular Medicine Reports 11.6 (2015): 4101-4108.
Chicago
Wang, C., Zhu, Z., Liu, C., He, X., Zhang, H., Dong, J."Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells". Molecular Medicine Reports 11, no. 6 (2015): 4101-4108. https://doi.org/10.3892/mmr.2015.3257
Copy and paste a formatted citation
x
Spandidos Publications style
Wang C, Zhu ZM, Liu CL, He XJ, Zhang HY and Dong JH: Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells. Mol Med Rep 11: 4101-4108, 2015.
APA
Wang, C., Zhu, Z., Liu, C., He, X., Zhang, H., & Dong, J. (2015). Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells. Molecular Medicine Reports, 11, 4101-4108. https://doi.org/10.3892/mmr.2015.3257
MLA
Wang, C., Zhu, Z., Liu, C., He, X., Zhang, H., Dong, J."Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells". Molecular Medicine Reports 11.6 (2015): 4101-4108.
Chicago
Wang, C., Zhu, Z., Liu, C., He, X., Zhang, H., Dong, J."Knockdown of yes-associated protein inhibits proliferation and downregulates large tumor suppressor 1 expression in MHCC97H human hepatocellular carcinoma cells". Molecular Medicine Reports 11, no. 6 (2015): 4101-4108. https://doi.org/10.3892/mmr.2015.3257
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