Time-course studies of γ-globin gene activation by drug treatments in K562 cells
Compound . | Drugs . | 24 h, g/GAPD mRNA . | 48 h, GAPD mRNA . | 72 h, GAPD mRNA . | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Avg ± SD . | P . | Fold increase . | Avg ± SD . | P . | Fold increase . | Avg ± SD . | P . | Fold increase . | ||
Untreated | None | 1.17 ± 0.62 | – | 1.00 | 0.80 ± 0.20 | – | 1.00 | 6.36 ± 1.81 | – | 1.00 |
Hemin | 50μM | 3.15 ± 1.13 | .016 | 2.69 | 4.68 ± 0.28 | 0.0001 | 5.89 | 17.23 ± 3.26 | .007 | 2.71 |
Butyrate | 2mM | 1.45 ± 0.37 | .441 | 1.24 | 2.77 ± 0.76 | 0.0008 | 3.46 | 17.63 ± 2.16 | .002 | 2.77 |
Trichostatin A | 0.5μM | 1.70 ± 0.16 | .200 | 1.46 | 2.21 ± 0.59 | 0.0023 | 2.76 | 11.64 ± 1.51 | .018 | 1.83 |
SAHA | 5μM | 1.53 ± 0.18 | .368 | 1.31 | 1.37 ± 0.23 | 0.0052 | 1.71 | 12.34 ± 0.83 | .007 | 1.94 |
Compound . | Drugs . | 24 h, g/GAPD mRNA . | 48 h, GAPD mRNA . | 72 h, GAPD mRNA . | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Avg ± SD . | P . | Fold increase . | Avg ± SD . | P . | Fold increase . | Avg ± SD . | P . | Fold increase . | ||
Untreated | None | 1.17 ± 0.62 | – | 1.00 | 0.80 ± 0.20 | – | 1.00 | 6.36 ± 1.81 | – | 1.00 |
Hemin | 50μM | 3.15 ± 1.13 | .016 | 2.69 | 4.68 ± 0.28 | 0.0001 | 5.89 | 17.23 ± 3.26 | .007 | 2.71 |
Butyrate | 2mM | 1.45 ± 0.37 | .441 | 1.24 | 2.77 ± 0.76 | 0.0008 | 3.46 | 17.63 ± 2.16 | .002 | 2.77 |
Trichostatin A | 0.5μM | 1.70 ± 0.16 | .200 | 1.46 | 2.21 ± 0.59 | 0.0023 | 2.76 | 11.64 ± 1.51 | .018 | 1.83 |
SAHA | 5μM | 1.53 ± 0.18 | .368 | 1.31 | 1.37 ± 0.23 | 0.0052 | 1.71 | 12.34 ± 0.83 | .007 | 1.94 |
Data for each time point, shown as mean ± SD, are represented by 3 to 5 independent drug inductions.