Table 8.
Inhibitor target | IL1β | IFNα | IFNγ | IL8 | IL13 | TLR2 | TLR4 | iNOS |
---|---|---|---|---|---|---|---|---|
FOLD CHANGES, MONOCYTES | ||||||||
No inhibitor | 25.39 ± 0.66 | 43.40 ± 2.18 | 66.39 ± 2.67 | 11.90 ± 1.09 | 4.41 ± 0.39 | 12.22 ± 1.13 | 29.45 ± 2.28 | 55.72 ± 4.63 |
TLR2 | 12.22 ± 1.58 | 15.06 ± 1.48 | 27.39 ± 1.41 | 4.48 ± 0.23 | 2.16 ± 0.16 | 5.98 ± 0.52 | 15.14 ± 1.48 | 26.14 ± 2.13 |
TLR2 + NFKB | 1.41 ± 0.24b | 0.88 ± 0.21b | 1.83 ± 0.38b | 1.19 ± 0.21a | 0.90 ± 0.10a | 0.87 ± 0.09a | 1.04 ± 0.11b | 1.03 ± 0.10b |
TLR2 + ERK | 3.25 ± 0.31b | 12.97 ± 1.97 | 9.36 ± 0.77a | 1.43 ± 0.11a | 2.04 ± 0.018 | 2.63 ± 0.24 | 13.21 ± 1.19 | 22.68 ± 2.53 |
TLR2 + JNK | 5.24 ± 0.41a | 13.69 ± 0.96 | 27.46 ± 2.59 | 1.78 ± 0.13a | 2.04 ± 0.17 | 3.14 ± 0.25 | 15.38 ± 1.49 | 26.15 ± 2.05 |
TLR2 + p38 | 1.87 ± 0.15b | 13.00 ± 1.41 | 24.93 ± 1.57 | 1.63 ± 0.14a | 2.00 ± 0.11 | 3.08 ± 0.29 | 14.73 ± 1.31 | 25.53 ± 2.24 |
TLR2 + PLC | 5.66 ± 0.34a | 14.63 ± 2.72 | 27.80 ± 2.29 | 4.39 ± 0.46 | 2.03 ± 0.20 | 3.24 ± 0.23 | 14.33 ± 1.07 | 24.09 ± 2.19 |
TLR2 + PKC | 4.74 ± 0.30a | 12.49 ± 1.18 | 26.58 ± 2.64 | 4.49 ± 0.42 | 2.11 ± 0.18 | 3.24 ± 0.31 | 14.91 ± 1.44 | 25.95 ± 1.99 |
TLR2 + PI3K | 3.19 ± 1.20b | 13.09 ± 1.54 | 28.13 ± 1.83 | 2.77 ± 0.10a | 2.14 ± 0.21 | 10.76 ± 1.03a | 30.82 ± 2.96a | 48.23 ± 4.29a |
TLR4 | 10.44 ± 1.50 | 11.123 ± 1.17 | 21.99 ± 2.04 | 5.55 ± 0.48 | 1.85 ± 0.13 | 8.09 ± 0.88 | 15.99 ± 1.48 | 5.561 ± 5.26 |
TLR4 + NFKB | 1.73 ± 0.14b | 0.94 ± 0.18b | 2.32 ± 0.52b | 1.91 ± 0.10a | 0.92 ± 0.08a | 1.68 ± 1.14b | 1.06 ± 0.10b | 0.98 ± 0.11b |
TLR4 + ERK | 5.85 ± 0.54a | 11.60 ± 1.08 | 14.45 ± 1.48a | 2.29 ± 0.25a | 1.73 ± 0.14 | 10.94 ± 1.05 | 15.64 ± 1.41 | 5.66 ± 0.52 |
TLR4 + JNK | 7.60 ± 0.72a | 11.99 ± 2.03 | 21.21 ± 2.19 | 2.11 ± 0.23a | 1.78 ± 0.15 | 10.88 ± 1.01 | 15.30 ± 1.49 | 5.30 ± 0.52 |
TLR4 + p38 | 1.68 ± 0.13b | 12.42 ± 1.57 | 7.12 ± 0.68 | 2.31 ± 0.21a | 1.78 ± 0.12 | 11.27 ± 1.12 | 14.06 ± 1.33 | 5.75 ± 0.51 |
TLR4 + PLC | 7.34 ± 0.72a | 10.98 ± 1.06 | 22.88 ± 2.34 | 5.51 ± 0.59 | 1.78 ± 0.16 | 10.68 ± 1.02 | 14.84 ± 1.41 | 5.84 ± 0.57 |
TLR4 + PKC | 7.47 ± 0.74a | 10.85 ± 1.09 | 20.78 ± 2.56 | 5.30 ± 0.48 | 1.79 ± 0.13 | 9.76 ± 0.95 | 15.71 ± 1.47 | 5.78 ± 5.57 |
TLR4 + PI3K | 6.99 ± 0.69a | 10.76 ± 1.07 | 20.06 ± 1.95a | 2.24 ± 0.21a | 1.76 ± 0.16 | 18.74 ± 1.32a | 28.815 ± 2.85a | 10.670 ± 1.57a |
Variations are expressed as mRNA fold changes using β-actin as an internal standard. Monocytes were first incubated for 30 min with the inhibitors before addition of the ulvan extract at 25 μg/ml for 4 h. Data represents the mean ± SEM of four independent experiments in triplicate. Letters indicate statistically significant differences with the experiment with the TLR inhibitor, ap < 0.05, bp < 0.01.