TABLE 2

Sensitivity of different human cell lines to selected compounds

Data are presented as IC50 values (concentration of an inhibitor that is needed for 50% inhibition of cell proliferation at 72 hours), with means ± S.E.M. of at least two independent experiments each performed in triplicate.

CompoundCell Line
HT-29SW-620SW-620-5FuRCCD18Co
μM
5-FU7.1 ± 1.3>5000.0<3.0
EA95.0 ± 10.479.0 ± 4.045.0 ± 5.037.5 ± 2.5
3,3′-DiOMEA106.0 ± 3.372.5 ± 2.5145.0 ± 5.047.5 ± 2.5
4,4′-DiOMEA7.6 ± 1.55.8 ± 1.628.8 ± 3.259.5 ± 4.55
Uro-A38.5 ± 3.526.0 ± 1.0
Uro-Bnsns
Resveratrol90.0 ± 10.035.0 ± 1.1
Homovanillic acidns
Gallic acidns
Dihydrocaffeic acidns
4-O-Methylgallic acidns
3-O-Methylgallic acidns
  • —, not determined; ns, no significant activity found at assayed concentrations.