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Figure 1 | Molecular Pain

Figure 1

From: Increased peripheral nerve excitability and local NaV1.8 mRNA up-regulation in painful neuropathy

Figure 1

Increased excitability of ipsilateral sciatic nerve after SNE. A: Stimulus-output plot of A-fiber CAP peak for sciatic nerve ipsilateral to SNE (n = 8) compared to preparations from contralateral, naïve or sham control rats (n = 8). Inset (left) shows examples of ipsilateral and contralateral A-fiber CAP with peaks aligned for clarity (0.1 mA stimulus). *, p < 0.05 (two-way ANOVA, Tukey post-hoc). Inset (bottom right) shows normalized data with error bars removed for clarity. Note the leftward shift of data from ipsilateral nerves. B: Stimulus-output plot of C-fiber CAP peak for sciatic nerve ipsilateral to SNE compared to preparations from contralateral, naïve or control rats. Inset (left) shows examples of ipsilateral and contralateral C-fiber CAP (10 mA stimulus). Inset (bottom right) shows normalized data with error bars removed for clarity. Stimulus durations were 0.1 ms and 0.5 ms for A- and C-fiber CAP, respectively throughout. Tissue was harvested 2 weeks after SNE or sham surgery.

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