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  • Title: [Influence of electroacupuncture on spinal TNF-alpha and IL-6 contents in spinal cord ischemia-reperfusion injury rabbits].
    Author: Huo ZJ, Die J, Xu JM.
    Journal: Zhen Ci Yan Jiu; 2012 Aug; 37(4):308-11. PubMed ID: 23140053.
    Abstract:
    OBJECTIVE: To observe the effect of electroacupuncture (EA) of "Zusanli" (ST 36)-"Quchi" (LI 11) on behavior changes and spinal inflammatory reactions in spinal ischemia-reperfusion injury (SI/RI) rabbits, so as to assess its protective effect on SI/RI. METHODS: Thirty New Zealand rabbits were randomly divided into sham-operation (sham), SI/RI model (model) and EA groups. SI/RI model was established by occlusion of the abdominal aorta for 45 min. EA (2 Hz, 1 mA) was applied to bilateral "Zusanli" (ST 36)-"Quchi" (LI 11) for 30 min after modeling, 4 times (0 h, 12 h, 24 h and 36 h after modeling) altogether. The animals' motor function score of the hindlimb was assessed according to Tarlov's method. The contents of tumor necrosis factor-alpha (TNF-alpha) and Interleukin-6 (IL-6) of the lumbar spinal cord tissue were assayed by ELISA 48 h after modeling. RESULTS: Compared with the sham group, the animals' motor scores at 24 h and 48 h after modeling were decreased, and spinal TNF-alpha and IL-6 contents were increased significantly (all P < 0.05) in the model group. In comparison with the model group, the animals' motor scores at both 24 h and 48 h were up-regulated considerably in the EA group (P < 0.05), suggesting an improvement of the neuronal function after EA intervention. The spinal TNF-alpha and IL-6 contents were obviously lower in the EA group than in the model group (P < 0.05). CONCLUSION: Electroacupuncture has a protective effect on the spinal cord ischemia- reperfusion injury of rabbits probably by reducing the local inflammatory reactions.
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