Table 1. Effect of STO-609 treatment on the percentage of sperm motility (%).

Time of incubation	- 5mM Ca2+				+ 5mM Ca2+
	STO-609 concentration (μM)
	0 μM	1 μM	10 μM	50 μM	0 μM	1 μM	10 μM	50 μM
5 min	54.7±3.0bc	49.7±3.6c	39.2±4.7d	31.7±5.7d	63.7±4.2a	58.0±2.7ab	53.7±2.3bc	40.0±3.4d
15 min	40.5±4.7cd	30.7±5.3de	22.7±5.3ef	17.8±4.6f	64.5±4.8a	50.5±2.5b	41.5±2.1c	34.0±3.6d
30 min	31.8±6.1bc	23.5±6.4c	9.3±2.1d	8.3±2.1d	51.0±4.0a	37.3±3.2b	32.3±4.5bc	25.5±3.6c
60 min	21.7±5.5bc	13.5±4.9cd	8.2±2.8de	4.5±1.3e	37.8±4.9a	29.3±4.4ab	23.3±4.0b	18.0±3.4c

Values represent means ± SEM from 6 different experiments.

Different superscripts indicate statistically significant differences of values within a row (P<0.05).