Table 1.

Percentage induction cell cycle arrest in MCF-7

Group	Concentration (nM)	% Percentage of cell cycle distribution (mean±SD)
		G1	S	G2	M
PBS	0	26.8±4.7	43.3±3.8	28.6±1.9	1.5±0.6
YSY01A	20	17.2±1.3	53.9±1.8	28.3±0.8	0.5±0.2
	40	34.1±1.6	28.1±3.9	36.0±4.5	1.7±0.8
	80	18.6±0.2	38.8±1.2	41.8±1.4**	0.8±0.0
PS341	40	21.9±5.5	46.9±0.5	30.9±4.8	0.3±0.2
TAX	100	22.9±3.9	32.4±4.3	28.9±5.1	15.6±6.2*