Figure 1. Effects of antagonists of nAChRs on the spontaneous [Ca2+]i spiking activity.
Representative traces showing the effects of α-BuTX (A) and MLA (B) on the [Ca2+]i spikes exhibited by developing mouse myotubes during myogenesis in vitro. In A and B, each trace interruption represents an interval of 15 min. Results are from two different cells.