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. 2017 Jan 20;13(3):851–860. doi: 10.3892/etm.2017.4071

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Copyright: © Zhu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — HVA calcium channel currents. (A) Inward currents were recorded with the command voltage between-70 and +40 mV with 80-msec intervals and successive increments of 10 mV, as well as a VH of −90 mV. (B) The I–V curve was fit using a Boltzmann equation. The ICa density was the Ca²⁺ channel current standardized by the membrane capacitance. (C) Inward currents in the same cell were recorded using the same steps of command voltages as in A in the presence of 200 µmol/l CdCl₂. HVA, high-voltage activation; ICa, Ca²⁺ currency; V_H, holding potential; I–V, current-voltage, pA/pF, peak current density.