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Fig. 4. Effects of protopanaxatriol (PPT) on KCNQ1 alone channel. (A) The representative traces on KCNQ1 alone channel current inhibition by different concentrations of PPT. Protocols were the same as described for Fig. 2. (B) Concentration-response curves of PPT on KCNQ1 alone channel currents. (C) Current-voltage (I-V) relationships of KCNQ1 alone channels in the absence (●) or presence (○) of 30 μM PPT. (D) Example of KCNQ1 channel currents recorded before (control) and after modification by 30 μM PPT. Protocols were the same as described for Fig. 2. Data represent the mean±SEM (n=5–7). Image published in: Choi SH et al. (2013) Copyright ©2013, The Korean Society of Ginseng. Creative Commons Attribution-NonCommercial license Larger Image Printer Friendly View

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