TABLE 1

Reporter-inducer activity of compounds 1–25 on GM979 cells

Standard deviations are within 10% and are not reported for clarity. The number of cell duplications was calculated according to the formula: number of duplications at day x = log2 (cell number at day x/cell number at day 0).


Compound

Concentration

γ-F

β-R

γ/(γ+2β)

Number of Cell Duplications
μM % of control
1 2 423.3 210.2 198.7 0.64 ± 0.17
2 0.6 499.5 279.6 177.1 0.69 ± 0.17
3 2 514.4 529 99 0.19 ± 0.17
4 6 25.6 134.6 19.4 2.36 ± 0.17
5 20 167.6 242.3 68.5 2.34 ± 0.17
6 6 179.5 178 100.3 0.96 ± 0.17
7 2 937.7 544.4 173.8 0.34 ± 0.17
8 2 266.5 350.8 77.5 2.42 ± 0.17
9 2 897.9 338.5 264.8 1.07 ± 0.17
10 0.2 78.6 94.8 83.7 1.9
11 2 255.7 207.6 122.9 -0.11 ± 0.17
12 Toxic N.D. N.D. N.D. N.D.
13 0.02 95.5 83.0 114.0 2.0
14 0.2 100.2 98.5 102.4 2.2
15 0.2 125.0 113.3 112.0 2.1
16 0.2 167.7 115.6 142.8 2.0
17 0.2 107.2 120.1 90.0 1.0
18 0.2 114.8 112.0 102.0 1.4
19 0.2 99.5 98.1 100.0 1.2
20 2 85.8 131.8 65.3 1.79
21 0.2 181.3 178.9 101.3 0.20
22 2 261.8 272.5 96.1 0.29
23 2 268.6 253.7 101.3 -0.70
24 2 117.7 234.8 50.3 0
25 0.2 173.0 267.8 64.7 1.94
SAHA 0.2 189.1 153.1 123.2 1.29
DMSO
1% (v/v)
100
100
100
2.4 ± 0.17
  • N.D., not determined.