Table 1.
Fusion-competent myoblasts, n = 11 | Myotubes, n = 15 | |
---|---|---|
Cell capacity | 37 ± 7 pF | 139 ± 12 pF |
Maximum conductance | 0.27 ± 0.05 nS | 3.18 ± 0.66 nS |
Activation curve: Vo and Q | −42 ± 2 mV and 4.6 ± 0.2 e.c. | −42 ± 1 mV and 5.3 ± 0.3 e.c. |
Inactivation curve: Vo and Q | −63 ± 2 mV and 5.9 ± 0.5 e.c. | −65.1 ± 1 mV and 5.9 ± 0.4 e.c. |
Vm for maximum window current | −58 ± 2 mV | −57 ± 1 mV |
Maximum window current size | −0.37 ± 0.08 pA | −2.57 ± 0.64 pA |
Ca2+ (1.8 mM) was used as a charge carrier. Vo is the voltage of half-activation of half-inactivation, Q is the gating charge and is expressed as a multiple of the elementary charge (e.c.), and Vm is the membrane potential.