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Article

Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway

  • Authors:
    • Lan Lan
    • Jing Tao
    • Azhen Chen
    • Guanli Xie
    • Jia Huang
    • Jiumao Lin
    • Jun Peng
    • Lidian Chen
  • View Affiliations / Copyright

    Affiliations: College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China, MOE Key Laboratory of Traditional Chinese Medicine on Osteology and Traumatology and Exercise Rehabilitation, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China, Fujian Key Laboratory of Exercise Rehabilitation, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China
  • Pages: 75-80
    |
    Published online on: November 16, 2012
       https://doi.org/10.3892/ijmm.2012.1184
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Abstract

Inflammatory response has been shown to play a critical role in brain damage after cerebral ischemia-reperfusion (I/R) injury, which is tightly regulated by the Toll-like receptor (TLR)4/nuclear factor (NF)-κB pathway; therefore, suppression of TLR4/NF-κB signaling has become a promising target for the anti-inflammatory treatment in ischemic stroke. Acupuncture has been used as a complementary and alternative therapy practice that supplements conventional medicine. Numerous studies have demonstrated the clinical efficacy of acupuncture in stroke rehabilitation. However, the precise mechanism of its neuroprotective effect remains poorly understood. Using a focal cerebral I/R injured rat model, in the present study we evaluated the neuroprotective and anti-inflammatory activities of electroacupuncture at Quchi and Zusanli, and investigated the underlying molecular mechanisms. We found that electroacupuncture at Quchi (LI11) and Zusanli (ST36) acupoints significantly improved the ischemia-associated scores of neurological deficits, reduced cerebral infarction and alleviated inflammatory responses. Moreover, the crucial signaling molecules in the TLR4/NF-κB signaling pathway were regulated by acupuncture, which coincided with suppressed secretion levels of inflammatory cytokines such as TNF-α, IL-1β and IL-6. Our data suggest that electroacupuncture exerts a neuroprotective function in ischemic stroke through inhibition of TLR4/NF-κB-mediated inflammation.
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Copy and paste a formatted citation
Spandidos Publications style
Lan L, Tao J, Chen A, Xie G, Huang J, Lin J, Peng J and Chen L: Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway. Int J Mol Med 31: 75-80, 2013.
APA
Lan, L., Tao, J., Chen, A., Xie, G., Huang, J., Lin, J. ... Chen, L. (2013). Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway. International Journal of Molecular Medicine, 31, 75-80. https://doi.org/10.3892/ijmm.2012.1184
MLA
Lan, L., Tao, J., Chen, A., Xie, G., Huang, J., Lin, J., Peng, J., Chen, L."Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway". International Journal of Molecular Medicine 31.1 (2013): 75-80.
Chicago
Lan, L., Tao, J., Chen, A., Xie, G., Huang, J., Lin, J., Peng, J., Chen, L."Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway". International Journal of Molecular Medicine 31, no. 1 (2013): 75-80. https://doi.org/10.3892/ijmm.2012.1184
Copy and paste a formatted citation
x
Spandidos Publications style
Lan L, Tao J, Chen A, Xie G, Huang J, Lin J, Peng J and Chen L: Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway. Int J Mol Med 31: 75-80, 2013.
APA
Lan, L., Tao, J., Chen, A., Xie, G., Huang, J., Lin, J. ... Chen, L. (2013). Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway. International Journal of Molecular Medicine, 31, 75-80. https://doi.org/10.3892/ijmm.2012.1184
MLA
Lan, L., Tao, J., Chen, A., Xie, G., Huang, J., Lin, J., Peng, J., Chen, L."Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway". International Journal of Molecular Medicine 31.1 (2013): 75-80.
Chicago
Lan, L., Tao, J., Chen, A., Xie, G., Huang, J., Lin, J., Peng, J., Chen, L."Electroacupuncture exerts anti-inflammatory effects in cerebral ischemia-reperfusion injured rats via suppression of the TLR4/NF-κB pathway". International Journal of Molecular Medicine 31, no. 1 (2013): 75-80. https://doi.org/10.3892/ijmm.2012.1184
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