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Fig 4 | BMC Anesthesiology

Fig 4

From: Association between extracellular signal-regulated kinase expression and the anti-allodynic effect in rats with spared nerve injury by applying immediate pulsed radiofrequency

Fig 4

Effect of pulse repetition frequency on ERK1/2 expression in the spinal dorsal horn of rats with spared nerve injury. A. Representative Western blot showing upregulation of pERK1/2 and total ERK1/2 in the ipsilateral spinal cord at day 28 in various conditions (sham-operated control, SNI, and SNI + PRF-45 V). B. Histograms showing the results of a quantitative densitometric analysis of the pERK1/2 to ERK1/2 expression ratio. n = 4–6/group, *P < 0.05 compared with the sham control or PRF-45 V-treated rats. The data are expressed as the mean ± SEM. Differences between experimental groups were assessed by one-way ANOVA followed by Newman–Keuls multiple comparisons

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