Figure 5. Kv7.1-Kv7.5 inhibitors, XE991 and linopiridine, increased spontaneous phasic contractions in guinea pig DSM isolated strips.
A) This original DSM tension recording illustrates that XE991 enhances spontaneous phasic contractions in isolated DSM strips in a concentration-dependent manner. B) Cumulative concentration-response curves for XE991 show increases in DSM spontaneous phasic contractions amplitude and muscle force (n=8, N=5). C) This original DSM tension recording exemplifies that linopiridine increases DSM spontaneous phasic contractions in a concentration-dependent manner. D) Cumulative concentration-response curves for linopiridine depict increases in DSM spontaneous phasic contractions amplitude and muscle force (n=7, N=5). Table 1 provides a summary of potency and maximum efficacy values. TTX (1 µM) was present throughout the experiments.