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Article

Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia

  • Authors:
    • Wenjing Cheng
    • Yunhong Li
    • Xiaolin Hou
    • Bin Bai
    • Fan  Li
    • Feijia  Ding
    • Jiao Ma
    • Nan Zhang
    • Ying Shen
    • Yin Wang
  • View Affiliations / Copyright

    Affiliations: Ningxia Key Laboratory of Cranial Cerebral Diseases, Basic Medical College of Ningxia Medical University, Yinchuan, Ningxia 750004, P.R. China, Department of Neurology, The General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750004, P.R. China, Department of Neurobiology, Key Laboratory of Medical Neurobiology of the Ministry of Health, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
  • Pages: 1132-1138
    |
    Published online on: October 27, 2014
       https://doi.org/10.3892/mmr.2014.2794
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Abstract

Microglial activation has been recognized as being vital in the pathogenesis of several neurodegenerative disorders. Therefore, the identification of therapeutic drugs to prevent microglial activation and thus protect against inflammation‑mediated neuronal injury, is required. In the present study, dextromethorphan (DM), a compound widely used in antitussive remedies that has been demonstrated to possess neuroprotective effects, was shown to reduce proinflammatory mediator production in lipopolysaccharide (LPS)‑stimulated BV2 mouse microglial cells. Western blot analysis revealed that DM markedly suppressed the activation of nuclear factor‑κB (NFκB), caspase‑3 signaling and the expression of another inflammation‑inducing factor, heat shock protein 60 (HSP60) and heat shock factor‑1, induced by LPS in BV2 cells. Results from ELISA assay demonstrated that DM reduced the release of HSP60, nitric oxide (NO), inducible NO synthase, tumor necrosis factor‑α, interleukin (IL)‑1β and IL‑6 induced by LPS in BV2 microglia. These results were confirmed by immunofluorescence, suggesting that DM may exert a neuroprotective and anti‑inflammatory effect by inhibiting microglial activation through the HSP60‑NFκB signaling pathway. Therefore, DM may offer substantial therapeutic benefits in the treatment of neurodegenerative diseases that are accompanied by microglial activation.
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Copy and paste a formatted citation
Spandidos Publications style
Cheng W, Li Y, Hou X, Bai B, Li F, Ding F, Ma J, Zhang N, Shen Y, Wang Y, Wang Y, et al: Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia. Mol Med Rep 11: 1132-1138, 2015.
APA
Cheng, W., Li, Y., Hou, X., Bai, B., Li, F., Ding, F. ... Wang, Y. (2015). Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia. Molecular Medicine Reports, 11, 1132-1138. https://doi.org/10.3892/mmr.2014.2794
MLA
Cheng, W., Li, Y., Hou, X., Bai, B., Li, F., Ding, F., Ma, J., Zhang, N., Shen, Y., Wang, Y."Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia". Molecular Medicine Reports 11.2 (2015): 1132-1138.
Chicago
Cheng, W., Li, Y., Hou, X., Bai, B., Li, F., Ding, F., Ma, J., Zhang, N., Shen, Y., Wang, Y."Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia". Molecular Medicine Reports 11, no. 2 (2015): 1132-1138. https://doi.org/10.3892/mmr.2014.2794
Copy and paste a formatted citation
x
Spandidos Publications style
Cheng W, Li Y, Hou X, Bai B, Li F, Ding F, Ma J, Zhang N, Shen Y, Wang Y, Wang Y, et al: Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia. Mol Med Rep 11: 1132-1138, 2015.
APA
Cheng, W., Li, Y., Hou, X., Bai, B., Li, F., Ding, F. ... Wang, Y. (2015). Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia. Molecular Medicine Reports, 11, 1132-1138. https://doi.org/10.3892/mmr.2014.2794
MLA
Cheng, W., Li, Y., Hou, X., Bai, B., Li, F., Ding, F., Ma, J., Zhang, N., Shen, Y., Wang, Y."Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia". Molecular Medicine Reports 11.2 (2015): 1132-1138.
Chicago
Cheng, W., Li, Y., Hou, X., Bai, B., Li, F., Ding, F., Ma, J., Zhang, N., Shen, Y., Wang, Y."Determining the neuroprotective effects of dextromethorphan in lipopolysaccharide‑stimulated BV2 microglia". Molecular Medicine Reports 11, no. 2 (2015): 1132-1138. https://doi.org/10.3892/mmr.2014.2794
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