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Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC

  • Authors:
    • Yi Huang
    • Zhou Yu
    • Min Zheng
    • Xiaohong Yang
    • Honglan Huang
    • Lijin Zhao
  • View Affiliations / Copyright

    Affiliations: Department of Hepatobiliary Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
    Copyright: © Huang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 124
    |
    Published online on: February 14, 2022
       https://doi.org/10.3892/mmr.2022.12640
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Abstract

In recent years, researchers have found that epigenetics plays an important role in the occurrence and development of hepatocellular carcinoma (HCC). DNA methylation is involved in the proliferation and metastasis of HCC. However, the junctophilin 3 (JPH3) level and the potential regulatory mechanism of its DNA methylation in HCC remain uncertain. In the present study, 73 HCC samples were enrolled to analyze the expression of JPH3. Reverse‑transcription quantitative PCR, western blotting and immunohistochemistry were used to detect the expression of JPH3 in HCC. Kaplan‑Meier method and Cox regression analysis were applied to evaluate the prognostic impact of JPH3 on HCC patients. DNA methylation‑specific PCR and bisulfite Sanger sequencing were used to detect the degree of DNA methylation of JPH3 in HCC. The demethylation drug 5‑Aza‑2'‑deoxycytidine (5‑Aza) was used to reduce the DNA methylation of JPH3. The role of JPH3 in the malignant biological behavior of HCC by promoting epithelial‑mesenchymal transition (EMT) was confirmed by functional cell experiments. The results showed that JPH3 exhibited low levels in HCC tissues and cell lines. HCC patients with low expression of JPH3 had poor survival outcomes. JPH3 had higher DNA methylation levels in HCC tissues and cell lines. When the demethylation drug 5‑Aza was used to reduce the degree of methylation of JPH3, its protein expression level was significantly increased and it significantly inhibited the malignant biological behavior of HCC cells. Additionally, effective increase in the expression of JPH3 through gene regulation technology also inhibited the proliferation, invasion and migration of HCC cells. After altering the DNA methylation level of JPH3, the EMT of HCC cells was also affected. Therefore, our study demonstrated the inactivation of JPH3 by promoter methylation and its function as a tumor suppressor in HCC. JPH3 may serve as a biomarker for early diagnosis and as a potential therapeutic target for HCC.
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Copy and paste a formatted citation
Spandidos Publications style
Huang Y, Yu Z, Zheng M, Yang X, Huang H and Zhao L: Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC. Mol Med Rep 25: 124, 2022.
APA
Huang, Y., Yu, Z., Zheng, M., Yang, X., Huang, H., & Zhao, L. (2022). Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC. Molecular Medicine Reports, 25, 124. https://doi.org/10.3892/mmr.2022.12640
MLA
Huang, Y., Yu, Z., Zheng, M., Yang, X., Huang, H., Zhao, L."Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC". Molecular Medicine Reports 25.4 (2022): 124.
Chicago
Huang, Y., Yu, Z., Zheng, M., Yang, X., Huang, H., Zhao, L."Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC". Molecular Medicine Reports 25, no. 4 (2022): 124. https://doi.org/10.3892/mmr.2022.12640
Copy and paste a formatted citation
x
Spandidos Publications style
Huang Y, Yu Z, Zheng M, Yang X, Huang H and Zhao L: Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC. Mol Med Rep 25: 124, 2022.
APA
Huang, Y., Yu, Z., Zheng, M., Yang, X., Huang, H., & Zhao, L. (2022). Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC. Molecular Medicine Reports, 25, 124. https://doi.org/10.3892/mmr.2022.12640
MLA
Huang, Y., Yu, Z., Zheng, M., Yang, X., Huang, H., Zhao, L."Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC". Molecular Medicine Reports 25.4 (2022): 124.
Chicago
Huang, Y., Yu, Z., Zheng, M., Yang, X., Huang, H., Zhao, L."Methylation‑associated inactivation of JPH3 and its effect on prognosis and cell biological function in HCC". Molecular Medicine Reports 25, no. 4 (2022): 124. https://doi.org/10.3892/mmr.2022.12640
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