Table 1.
Calculation of the Relative Transcript Abundance using the ΔΔCt Method
| ActD Treatment (min) | Ct (Fos) | Ct (Actb) | Mean Ct (Actb) | ΔCt* | Mean ΔCt | Δ ΔCt** | 2−ΔΔCt | Mean | SD |
|---|---|---|---|---|---|---|---|---|---|
| 0 | 27.2821 | 18.0651 | 18.0561 | 9.2260 | 9.2308 | −0.0047 | 1.0033 | 1.0000 | 0.0046 |
| 0 | 27.2915 | 18.0470 | 9.2355 | 0.0047 | 0.9967 | ||||
|
| |||||||||
| 10 | 28.5733 | 18.0886 | 18.0314 | 10.5419 | 1.3112 | 0.4030 | 0.4183 | 0.0217 | |
| 10 | 28.4676 | 17.9741 | 10.4362 | 1.2054 | 0.4336 | ||||
|
| |||||||||
| 20 | 30.2251 | 17.7979 | 17.7688 | 12.4563 | 3.2255 | 0.1069 | 0.1057 | 0.0018 | |
| 20 | 30.2593 | 17.7397 | 12.4905 | 3.2598 | 0.1044 | ||||
|
| |||||||||
| 30 | 32.1141 | 18.0410 | 18.0095 | 14.1046 | 4.8739 | 0.0341 | 0.0295 | 0.0065 | |
| 30 | 32.5635 | 17.9780 | 14.5540 | 5.3232 | 0.0250 | ||||
|
| |||||||||
| 45 | 34.6656 | 17.9821 | 18.0185 | 16.6471 | 7.4163 | 0.0059 | 0.0050 | 0.0012 | |
| 45 | 35.1741 | 18.0549 | 17.1555 | 7.9248 | 0.0041 | ||||
|
| |||||||||
| 60 | 35.9865 | 18.2261 | 18.1696 | 17.8169 | 8.5862 | 0.0026 | 0.0026 | 0.0000 | |
| 60 | 35.9577 | 18.1131 | 17.7881 | 8.5573 | 0.0027 | ||||
|
| |||||||||
| 90 | 38.0750 | 18.0576 | 17.9927 | 20.0823 | 10.8515 | 0.0005 | 0.0007 | 0.0002 | |
| 90 | 37.5847 | 17.9279 | 19.5919 | 10.3612 | 0.0008 | ||||
|
| |||||||||
| 120 | 36.7232 | 17.8345 | 17.8792 | 18.8440 | 9.6133 | 0.0013 | 0.0009 | 0.0005 | |
| 120 | 38.0775 | 17.9240 | 20.1983 | 10.9676 | 0.0005 | ||||
|
| |||||||||
| 240 | 38.0583 | 18.0231 | 17.9790 | 20.0792 | 10.8485 | 0.0005 | 0.0010 | 0.0006 | |
| 240 | 36.7326 | 17.9350 | 18.7536 | 9.5228 | 0.0014 | ||||
ΔCt = Ct (Fos, column 2) − Ave Ct (Actb, column 4);
ΔΔCt = ΔCt (column 5)−Ave ΔCt at time 0 (column 6).
Actinomycin D (ActD) was added after 30 min of TNF stimulation.