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. 2010 Mar 17;98(6):968–978. doi: 10.1016/j.bpj.2009.11.024

Figure 5.

Figure 5

Kiss-and-run. (A) Representative kiss-and-run events from control cells showing small MV steps (upper) and large DCV steps (lower). (B) Representative kiss-and-run events from syt IV cells showing MV steps (upper) and DCV steps (lower). (C) Plots of upward and downward steps from kiss-and-run events (left) in control cells showed a linear relation with a slope of 0.98. The plot of upward steps in kiss-and-run events versus randomly selected downward steps in the same trace or an immediately adjacent trace showed no correlation. Gray vertical lines denote the position of the 80 aF cutoff used to separate MVs from DCVs. (D) The same quantities plotted as in C for control cells are shown for syt IV cells. A linear regression slope of 0.98 was found for coupled upward and downward steps, but when downward steps were not paired with the upward step there was no significant correlation.