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August 2013 Volume 6 Issue 2

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Article

The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins

  • Authors:
    • Xiaohui Chen
    • Chunmei Yang
    • Yanhua Xu
    • Hui Zhou
    • Hui Liu
    • Wenbin Qian
  • View Affiliations / Copyright

    Affiliations: Department of Hematology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang 310015, P.R. China, Institute of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
  • Pages: 299-304
    |
    Published online on: June 14, 2013
       https://doi.org/10.3892/etm.2013.1161
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Abstract

The orally active microtubule‑depolymerizing agent CYT997 is potently cytotoxic to a variety of tumors in vitro and in vivo. However, the effects of this agent on acute myeloid leukemia (AML) cells and its mechanisms are unknown. The present study demonstrated that CYT997 effectively inhibited the growth of AML cells in vitro. Treatment of AML cells with CYT997 resulted in G2/M phase cell cycle arrest, and induced apoptosis through the activation of extrinsic and intrinsic apoptotic pathways. Furthermore, CYT997 induced cell death in CD123+ leukemia cells and significantly reduced leukemia colony formation. CYT997 was also demonstrated to exert dual effects on the expression of PI3K/Akt and mechanistic target of rampamycin (mTOR) signaling pathway proteins. Therefore, CTY997, used alone or in combination with chemotherapy, may represent a promising approach for the treatment of AML.
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Copy and paste a formatted citation
Spandidos Publications style
Chen X, Yang C, Xu Y, Zhou H, Liu H and Qian W: The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins. Exp Ther Med 6: 299-304, 2013.
APA
Chen, X., Yang, C., Xu, Y., Zhou, H., Liu, H., & Qian, W. (2013). The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins. Experimental and Therapeutic Medicine, 6, 299-304. https://doi.org/10.3892/etm.2013.1161
MLA
Chen, X., Yang, C., Xu, Y., Zhou, H., Liu, H., Qian, W."The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins". Experimental and Therapeutic Medicine 6.2 (2013): 299-304.
Chicago
Chen, X., Yang, C., Xu, Y., Zhou, H., Liu, H., Qian, W."The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins". Experimental and Therapeutic Medicine 6, no. 2 (2013): 299-304. https://doi.org/10.3892/etm.2013.1161
Copy and paste a formatted citation
x
Spandidos Publications style
Chen X, Yang C, Xu Y, Zhou H, Liu H and Qian W: The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins. Exp Ther Med 6: 299-304, 2013.
APA
Chen, X., Yang, C., Xu, Y., Zhou, H., Liu, H., & Qian, W. (2013). The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins. Experimental and Therapeutic Medicine, 6, 299-304. https://doi.org/10.3892/etm.2013.1161
MLA
Chen, X., Yang, C., Xu, Y., Zhou, H., Liu, H., Qian, W."The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins". Experimental and Therapeutic Medicine 6.2 (2013): 299-304.
Chicago
Chen, X., Yang, C., Xu, Y., Zhou, H., Liu, H., Qian, W."The microtubule depolymerizing agent CYT997 effectively kills acute myeloid leukemia cells via activation of caspases and inhibition of PI3K/Akt/mTOR pathway proteins". Experimental and Therapeutic Medicine 6, no. 2 (2013): 299-304. https://doi.org/10.3892/etm.2013.1161
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