期刊
JOURNAL OF KOREAN MEDICAL SCIENCE
卷 28, 期 2, 页码 308-314出版社
KOREAN ACAD MEDICAL SCIENCES
DOI: 10.3346/jkms.2013.28.2.308
关键词
Allodynia; Gabapentin; Interleukin-10; Intrathecal; Pro-inflammatory Cytokines
We examined the possible anti-inflammatory mechanisms of gabapentin in the attenuation of neuropathic pain and the interaction between the anti-allodynic effects of gabapentin and interleukin-10 (IL-10) expression in a rat model of neuropathic pain. The anti-allodynic effect of intrathecal gabapentin was examined over a 7-day period. The anti-allodynic effects of IL-10 was measured, and the effects of anti-IL-10 antibody on the gabapentin were assessed. On day 7, the concentrations of pro-inflammatory cytokines and IL-10 were measured. Gabapentin produced an anti-allodynic effect over the 7-day period, reducing the expression of pro-inflammatory cytokines but increasing the expression of IL-10 (TNF-a, 316.0 +/- 69.7 pg/mL vs 88.8 +/- 24.4 pg/mL; IL-1 alpha, 1,212.9 +/- 104.5 vs 577.4 +/- 97.1 pg/mL; IL-6, 254.0 +/- 64.8 pg/mL vs 125.5 +/- 44.1 pg/mL; IL-10, 532.1 +/- 78.7 pg/mL vs 918.9 +/- 63.1 pg/mL). The suppressive effect of gabapentin on pro-inflammatory cytokine expression was partially blocked by the anti-IL-10 antibody. Expression of pro-inflammatory cytokines was significantly attenuated by daily injections of IL-10. The anti-allodynic effects of gabapentin may be caused by upregulation of IL-10 expression in the spinal cord, which leads to inhibition of the expression of pro-inflammatory cytokines in the spinal cords.
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