Table 4

Relative mRNA levels of C-28/I2 chondrocytes under the influence of IL-1β and curcumin.

Experimental condition
mRNA relative to untreated control group (mean ± SD)



ACTB
GAPDH
B2M
HPRT1
SDHA
YWHAZ

IL-1β
0.93 ± 0.16
0.86 ± 0.10
1.06 ± 0.17
0.97 ± 0.15
0.91 ± 0.11
0.92 ± 0.13
Simultaneous incubation with curcumin [c]1
0.72 ± 0.07
0.74 ± 0.11
0.85 ± 0.10
0.88 ± 0.11
0.76 ± 0.10
0.78 ± 0.08
Simultaneous incubation with curcumin [c]2
0.41 ± 0.04*
0.89 ± 0.16
0.64 ± 0.06
0.86 ± 0.08
0.61 ± 0.06
0.85 ± 0.11
Pre-incubation with curcumin [c]1
0.87 ± 0.13
0.98 ± 0.15
0.94 ± 0.18
0.97 ± 0.11
0.95 ± 0.23
1.02 ± 0.21
Pre-incubation with curcumin [c]2
0.37 ± 0.06*
0.46 ± 0.05*
0.28 ± 0.04*
0.38 ± 0.04*
0.09 ± 0.02*
0.65 ± 0.06
Curcumin only
0.28 ± 0.01*
0.48 ± 0.06*
0.31 ± 0.03*
0.38 ± 0.05*
0.10 ± 0.01*
0.63 ± 0.04

Boldfaced values p < 0.05

* p < 0.05 and change > 2-fold

mRNA levels under the treatment with curcumin in different experimental conditions are presented relative to the untreated control group calculated by the equation E-ΔCt (Mean ± SD, n = 9; value of 1 represents average level of mRNA expression in untreated control group). [c]1, low concentration of curcumin (5 μM); [c]2, high concentration of curcumin (50 μM).

Toegel et al. BMC Molecular Biology 2007 8:13   doi:10.1186/1471-2199-8-13