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. 2017 Dec 19;8:1078. doi: 10.3389/fphys.2017.01078

Figure 1.

Figure 1

Outwardly rectifying currents in odontoblasts. (A) Representative current traces with extracellular 5 mM [K+]o recorded in Cl−-rich extracellular and intracellular solutions (Cl−-rich ECS and ICS) (middle traces), as well as in gluconate-rich ECS and ICS (Gluc-rich ECS and ICS) (lower traces) are shown. Currents were evoked by 400 ms voltage-steps from −100 to +80 mV in 10 mV increments from a Vh of −70 mV (upper traces). (B) Current-voltage (I-V) relationships for the current recorded in Cl−-rich ECS and ICS (upper), and gluc-rich ECS and ICS (lower) with 5 mM [K+]o (filled squares), 10 mM [K+]o (filled circles), 50 mM [K+]o (open squares), and 100 mM [K+]o (open circles). Each point indicates the current density for the mean ± SD from each of the 6 cell. Statistically significant differences between points at a membrane potential of +80 mV (shown by solid lines) are indicated by asterisks, *P < 0.05.