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Quantitative RT-PCR analysis of IL-1β, TNF-α, MCP-1, MMP-9 and TIMP-1 mRNA in sham and injured spinal cord at lesion site and above and below lesion levels. Values are mean + SEM sham (n = 6) and SCI (n = 7) rats. Significantly different from sham group, *P < 0.05; ***P < 0.001; **P < 0.01
