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Article

IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner

  • Authors:
    • Tielong Liu
    • Weiwei Zhou
    • Bing Cai
    • Jianjun Chu
    • Guodong Shi
    • Honglin Teng
    • Jian Xu
    • Jianru Xiao
    • Yan Wang
  • View Affiliations / Copyright

    Affiliations: Department of Orthopedics, Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China, Department of Radiology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, P.R. China, Department of Orthopedics, Ningbo Development Zone Center Hospital, Ningbo, Zhejiang 315800, P.R. China, Department of Orthopedics, First People's Hospital of Hefei, Hefei, Anhui 230061, P.R. China, Department of Orthopedics, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China, Department of Orthopedics, The Workers Hospital of Suqian City, Suqian, Jiangsu 223800, P.R. China, Department of Orthopedics, Chinese People's Liberation Army General Hospital, Beijing 100853, P.R. China
  • Pages: 4346-4351
    |
    Published online on: June 11, 2015
       https://doi.org/10.3892/mmr.2015.3915
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Abstract

Osteosarcoma (OS) is the most frequent type of primitive malignant bone tumor with a poor prognosis due to distant metastasis. Our previous studies have demonstrated that IRX2 is overexpressed and is important in cell proliferation and invasion. However, the molecular mechanisms underlying the IRX2‑dependent regulation of OS progression remains to be elucidated. In the present study, the effects of IRX2 on the upregulation of MMP2 and VEGF in OS were determined by western blotting, and the underlying molecular mechanisms were elucidated. These findings provided data suggesting that IRX2 modulates the expression levels of MMP2 and VEGF in an AKT‑dependent manner. The overexpression of IRX2 promoted the activation of PI3K/Akt and increased the proliferation and invasiveness of the OS cell lines as shown by CCK8 and invasion assays. Notably, interruption of the AKT pathway by treatment with LY294002, a specific PI3K inhibitor, attenuated IRX2‑induced cell proliferation and invasive ability, and the upregulation of MMP2 and VEGF. The results of the present study suggested that inhibition of the IRX2‑mediated AKT signaling pathway may be a suitable therapeutic target for the treatment of OS.
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Copy and paste a formatted citation
Spandidos Publications style
Liu T, Zhou W, Cai B, Chu J, Shi G, Teng H, Xu J, Xiao J and Wang Y: IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner. Mol Med Rep 12: 4346-4351, 2015.
APA
Liu, T., Zhou, W., Cai, B., Chu, J., Shi, G., Teng, H. ... Wang, Y. (2015). IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner. Molecular Medicine Reports, 12, 4346-4351. https://doi.org/10.3892/mmr.2015.3915
MLA
Liu, T., Zhou, W., Cai, B., Chu, J., Shi, G., Teng, H., Xu, J., Xiao, J., Wang, Y."IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner". Molecular Medicine Reports 12.3 (2015): 4346-4351.
Chicago
Liu, T., Zhou, W., Cai, B., Chu, J., Shi, G., Teng, H., Xu, J., Xiao, J., Wang, Y."IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner". Molecular Medicine Reports 12, no. 3 (2015): 4346-4351. https://doi.org/10.3892/mmr.2015.3915
Copy and paste a formatted citation
x
Spandidos Publications style
Liu T, Zhou W, Cai B, Chu J, Shi G, Teng H, Xu J, Xiao J and Wang Y: IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner. Mol Med Rep 12: 4346-4351, 2015.
APA
Liu, T., Zhou, W., Cai, B., Chu, J., Shi, G., Teng, H. ... Wang, Y. (2015). IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner. Molecular Medicine Reports, 12, 4346-4351. https://doi.org/10.3892/mmr.2015.3915
MLA
Liu, T., Zhou, W., Cai, B., Chu, J., Shi, G., Teng, H., Xu, J., Xiao, J., Wang, Y."IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner". Molecular Medicine Reports 12.3 (2015): 4346-4351.
Chicago
Liu, T., Zhou, W., Cai, B., Chu, J., Shi, G., Teng, H., Xu, J., Xiao, J., Wang, Y."IRX2-mediated upregulation of MMP-9 and VEGF in a PI3K/AKT-dependent manner". Molecular Medicine Reports 12, no. 3 (2015): 4346-4351. https://doi.org/10.3892/mmr.2015.3915
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