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Article

Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways

  • Authors:
    • Wei-Wei Zou
    • Hua-Ping Xiao
    • Miao-Ning Gu
    • Ke-Xuan Liu
    • Zhi-Qun Liu
  • View Affiliations / Copyright

    Affiliations: Department of Anesthesiology, Zhongshan Hospital of Traditional Chinese Medicine, Zhongshan, Guangdong 528400, P.R. China, Department of Anesthesiology, Jiangxi Cancer Hospital, Nanchang, Jiangxi 330000, P.R. China, Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510000, P.R. China, Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
  • Pages: 1123-1128
    |
    Published online on: January 29, 2013
       https://doi.org/10.3892/mmr.2013.1298
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Abstract

Propofol has previously been shown to have detrimental effects on the developing brain. Neural stem cells, identified in the embryonic brain as well as in the adult brain, are multipotent, self-renewing cells, which are capable of differentiating into different phenotypes of the nervous system. The present study was designed to investigate propofol-induced rat embryonic neural stem cell apoptosis and its potential mechanisms. Rat embryonic neural stem cells were isolated, cultured and characterized. Treatment of these cultured stem cells with different doses of propofol was carried out and cell proliferation was assessed by MTT assay and apoptosis by flow cytometric analysis. Cellular levels of active forms of caspase-3 and caspase-8, which regulate the extrinsic apoptotic pathway, and of caspase-9 and cytochrome C, which regulate the intrinsic apoptotic pathway, were detected by western blotting. Over 95% of isolated rat embryonic neural stem cells expressed the Nestin protein, as detected by immunofluorescence staining. Using an in vitro cell culture system, we showed that propofol inhibited cell growth and induced cell apoptosis in a dose-dependent manner. Furthermore, western blot analysis showed that propofol treatment significantly elevated levels of active forms of caspase-3, caspase-8, caspase-9 and cytochrome C in the embryonic neural stem cells. Propofol induced rat embryonic neural stem cell apoptosis and activated caspase-3, caspase-8, caspase-9 and cytochrome C, suggesting that propofol-induced stem cell apoptosis may be regulated through both the extrinsic and intrinsic apoptotic pathways.
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Copy and paste a formatted citation
Spandidos Publications style
Zou W, Xiao H, Gu M, Liu K and Liu Z: Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways. Mol Med Rep 7: 1123-1128, 2013.
APA
Zou, W., Xiao, H., Gu, M., Liu, K., & Liu, Z. (2013). Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways. Molecular Medicine Reports, 7, 1123-1128. https://doi.org/10.3892/mmr.2013.1298
MLA
Zou, W., Xiao, H., Gu, M., Liu, K., Liu, Z."Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways". Molecular Medicine Reports 7.4 (2013): 1123-1128.
Chicago
Zou, W., Xiao, H., Gu, M., Liu, K., Liu, Z."Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways". Molecular Medicine Reports 7, no. 4 (2013): 1123-1128. https://doi.org/10.3892/mmr.2013.1298
Copy and paste a formatted citation
x
Spandidos Publications style
Zou W, Xiao H, Gu M, Liu K and Liu Z: Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways. Mol Med Rep 7: 1123-1128, 2013.
APA
Zou, W., Xiao, H., Gu, M., Liu, K., & Liu, Z. (2013). Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways. Molecular Medicine Reports, 7, 1123-1128. https://doi.org/10.3892/mmr.2013.1298
MLA
Zou, W., Xiao, H., Gu, M., Liu, K., Liu, Z."Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways". Molecular Medicine Reports 7.4 (2013): 1123-1128.
Chicago
Zou, W., Xiao, H., Gu, M., Liu, K., Liu, Z."Propofol induces rat embryonic neural stem cell apoptosis by activating both extrinsic and intrinsic pathways". Molecular Medicine Reports 7, no. 4 (2013): 1123-1128. https://doi.org/10.3892/mmr.2013.1298
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