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Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression

  • Authors:
    • Yanhua Du
    • Jun Wu
    • Haiyan Zhang
    • Shaobo Li
    • Hong Sun
  • View Affiliations / Copyright

    Affiliations: Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, P.R. China, Pathology Center, Shanghai General Hospital/Faculty of Basic Medicine, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
    Copyright: © Du et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1638-1646
    |
    Published online on: February 8, 2017
       https://doi.org/10.3892/mmr.2017.6183
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Abstract

The silent information regulator 2 related enzyme 2 (SIRT2) has been reported to have an important role in tumorigenesis. Although two distinct effects of SIRT2 have recently been revealed, which explain opposing expression patterns in different types of cancer, the specific function of SIRT2 in ovarian cancer remains unknown. The present study investigated the expression of SIRT2 in serous ovarian carcinoma (SOC) and its pathogenic mechanism. It was observed that SIRT2 expression in SOC was significantly downregulated when compared with ovarian surface epithelium via western blot and immunohistochemistry. Statistical analysis revealed that attenuated expression of SIRT2 was associated with the International Federation of Gynecology and Obstetrics classification of ovarian cancer. Reduced SIRT2 expression during tumorigenesis failed to repress cyclin‑dependent kinase 4 expression, which eventually led to accelerated cell proliferation. Furthermore, the wound healing assay and Transwell assay determined that reduced expression of SIRT2 promoted SOC cell migration and invasion. In conclusion, the results of the current study suggest that SIRT2 has a tumor‑suppressor function in ovarian cells and it might be a viable target for further SOC treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Du Y, Wu J, Zhang H, Li S and Sun H: Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression. Mol Med Rep 15: 1638-1646, 2017.
APA
Du, Y., Wu, J., Zhang, H., Li, S., & Sun, H. (2017). Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression. Molecular Medicine Reports, 15, 1638-1646. https://doi.org/10.3892/mmr.2017.6183
MLA
Du, Y., Wu, J., Zhang, H., Li, S., Sun, H."Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression". Molecular Medicine Reports 15.4 (2017): 1638-1646.
Chicago
Du, Y., Wu, J., Zhang, H., Li, S., Sun, H."Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression". Molecular Medicine Reports 15, no. 4 (2017): 1638-1646. https://doi.org/10.3892/mmr.2017.6183
Copy and paste a formatted citation
x
Spandidos Publications style
Du Y, Wu J, Zhang H, Li S and Sun H: Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression. Mol Med Rep 15: 1638-1646, 2017.
APA
Du, Y., Wu, J., Zhang, H., Li, S., & Sun, H. (2017). Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression. Molecular Medicine Reports, 15, 1638-1646. https://doi.org/10.3892/mmr.2017.6183
MLA
Du, Y., Wu, J., Zhang, H., Li, S., Sun, H."Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression". Molecular Medicine Reports 15.4 (2017): 1638-1646.
Chicago
Du, Y., Wu, J., Zhang, H., Li, S., Sun, H."Reduced expression of SIRT2 in serous ovarian carcinoma promotes cell proliferation through disinhibition of CDK4 expression". Molecular Medicine Reports 15, no. 4 (2017): 1638-1646. https://doi.org/10.3892/mmr.2017.6183
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