Table 1. Amperometric parameters of exocytotic events induced by 10 µM DMPP in cells transfected with pEGFP, UnR-iRNA, iRNADyn2, Dyn2WT or Dyn2K44A.

	pEGFP	UnR-iRNA	iRNADyn2	Dyn2WT	Dyn2K44A
Number of events	17.7±1.7	24.2±3.6	23.0±3.2	20.2±2.4	21.5±3.1
Q (pC)	0.83±0.08	0.87±0.09	1.33±0.08*	0.78±0.09	1.33±0.12†
t1/2 (ms)	13.6±1.1	13.0±0.8	19.4±1.6*	11.5±1.0	18.4±1.8†
Imax (pA)	51.5±3.8	55.1±5.1	59.4±5.6	65.3±7.9	62.4±3.7
Foot frequency(%)	63.3±5.5	57.9±3.7	57.8±3.6	61.6±10	63.4±8.3
Foot amplitude(pA)	12.4±1.3	13.6±1.0	11.3±0.9	11.6±1.1	12.1±1.6
Foot duration(ms)	14.3±1.4	11.0±0.6	22.4±2.1*	11.8±1.1	19.4±1.8†
Number ofcells	35	28	29	15	18

Data are means ± SEM of averages, where n is the number of cells. Imax corresponds to the spike amplitude.

^*p<0.05 compared with pEGFP-transfected cells;

^†p<0.05 compared with Dyn2 WT-transfected cells (Kruskal-Wallis test).