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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Exp Neurol. 2009 Jul 23;219(2):562–573. doi: 10.1016/j.expneurol.2009.07.016

Fig. 4.

Fig. 4

Effect of substance P and a phorbol ester on K+ currents in CR tonic neurons. Effects of substance P (SP, A–B) and phorbol 12, 13-dibutyrate (PDBu, C–D) in CR tonic DRG neurons. A, C. Averages of peak amplitudes of inactivating K+ currents in control (con) conditions before drugs and after SP (0.5 µM, A, n = 6) and PDBu (0.5 µM, E, n = 4). B, D, Averages of peak amplitudes of non-inactivating currents in control (con) and a SP (B) or PDBu (D) in the same experiments as in A and C. Stimulus protocols were the same as described in Fig. 3. Statistical difference using a two tailed t-test, unequal variance difference: * P<0.05, ** P<0.01; ns, not significant.