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International Journal of Oncology
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Print ISSN: 1019-6439 Online ISSN: 1791-2423
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Article

Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma

  • Authors:
    • Yu Lei
    • Bo Zhang
    • Yaohua Zhang
    • Yuan Zhao
    • Jingying Sun
    • Xuejun Zhang
    • Sen Yang
  • View Affiliations / Copyright

    Affiliations: Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China, Department of Oncology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230601, P.R. China, Institute of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
  • Pages: 981-990
    |
    Published online on: July 5, 2016
       https://doi.org/10.3892/ijo.2016.3603
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Abstract

Malignant melanoma is the most lethal of skin cancers and its pathogenesis is complex and heterogeneous. The efficacy of conventional therapeutic regimens for melanoma remains limited. Thus, it is important to explore novel effective therapeutic targets in the treatment of melanoma. The MAT2B gene encodes for the regulatory subunit of methionine adenosyltransferase (MAT). Recent studies have suggested that MAT2B may have functional roles other than modulating catalytic activity of MAT. In order to identify the roles of MAT2B in the tumorigenesis of malignant melanoma, we compared MAT2B expression profile in melanoma tissues with that in benign nevus samples. We employed lentivirus-mediated RNAi to downregulate the expression of MAT2B in malignant melanoma cell lines (A375 and Mel-RM), and investigated the effects of MAT2B on cell growth, colony-formation ability and apoptosis in vitro, as well as tumor growth of a xenograft model in vivo. The expression levels of BCL2 and XAF1 proteins, which were closely related to tumor cell apoptosis, were analyzed by western blot analysis. Our data showed that MAT2B was elevated in both primary and metastatic melanoma tissues compared with benign nevus samples. Lentivirus-mediated downregulation of MAT2B suppressed cell growth, colony formation and induced apoptosis in A375 and Mel-RM cell lines in vitro, affected protein expression of BCL2 and XAF1, extended the transplanted tumor growth in vivo. These results indicated that MAT2B was critical in the proliferation of melanoma cells and tumorigenicity. It may be considered as a potential anti-melanoma therapeutic target.
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Copy and paste a formatted citation
Spandidos Publications style
Lei Y, Zhang B, Zhang Y, Zhao Y, Sun J, Zhang X and Yang S: Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma. Int J Oncol 49: 981-990, 2016.
APA
Lei, Y., Zhang, B., Zhang, Y., Zhao, Y., Sun, J., Zhang, X., & Yang, S. (2016). Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma. International Journal of Oncology, 49, 981-990. https://doi.org/10.3892/ijo.2016.3603
MLA
Lei, Y., Zhang, B., Zhang, Y., Zhao, Y., Sun, J., Zhang, X., Yang, S."Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma". International Journal of Oncology 49.3 (2016): 981-990.
Chicago
Lei, Y., Zhang, B., Zhang, Y., Zhao, Y., Sun, J., Zhang, X., Yang, S."Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma". International Journal of Oncology 49, no. 3 (2016): 981-990. https://doi.org/10.3892/ijo.2016.3603
Copy and paste a formatted citation
x
Spandidos Publications style
Lei Y, Zhang B, Zhang Y, Zhao Y, Sun J, Zhang X and Yang S: Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma. Int J Oncol 49: 981-990, 2016.
APA
Lei, Y., Zhang, B., Zhang, Y., Zhao, Y., Sun, J., Zhang, X., & Yang, S. (2016). Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma. International Journal of Oncology, 49, 981-990. https://doi.org/10.3892/ijo.2016.3603
MLA
Lei, Y., Zhang, B., Zhang, Y., Zhao, Y., Sun, J., Zhang, X., Yang, S."Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma". International Journal of Oncology 49.3 (2016): 981-990.
Chicago
Lei, Y., Zhang, B., Zhang, Y., Zhao, Y., Sun, J., Zhang, X., Yang, S."Lentivirus-mediated downregulation of MAT2B inhibits cell proliferation and induces apoptosis in melanoma". International Journal of Oncology 49, no. 3 (2016): 981-990. https://doi.org/10.3892/ijo.2016.3603
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