Table 1. Effect of Iso-3 on the proliferation of various cancer cell lines.

Cell line	GI50 (μM, 72 h)
RAJI	9.9 ± 8.6
U-937	8.1 ± 5.6
JURKAT	10.2 ± 5.8
K-562	8.3 ± 3.6
MEG-01	14.8 ± 5.3
HL-60	8.1 ± 4.7
SH-SY5Y	> 50$
PC-3	8.1 ± 4.4
MDA-MB-231	7.3 ± 7.0

^$41.1 ± 7.7% growth inhibition at 50 μM.

Data are the mean ± SD of growth inhibitory dose 50% (GI₅₀) values calculated from at least three independent experiments.