Table 1: Effect of inducers, cytokines and mitogens on MMP-2 and MMP-9 secretion in laryngeal squamous cells carcinoma cells (FaDu) and tongue cancer cells (SCC-25).

Laryngeal squamous cell sarcinoma (FaDu) Tongue cancer cells (SC-255)
MMP-2 (%) MMP-9 (%) MMP-2 (%) MMP-9 (%)
PMA (ng/ml)
Control 0.1 0.1 0.7 3.3
10 - - 0.3 6.2
25 0.1 26.4 0.5 18.3
50 0.1 34.9 0.6 43.8
100 0.1 38.1 0.4 25.9
TNF-α (ng/ml)
Control 3.9 5.9 0.6 2.4
0.1 3.9 11.7 0.5 25.4
1 4.7 20.2 0.5 41.8
10 4.8 44.9 0.6 19.7
25 - - 0.6 7.9
IL-1β
Control 8.4 12.9 2.6 9.8
0.1 9.3 15.9 1.7 18.4
1 8.5 19.4 2.4 25.6
10 6.5 19 1.5 20.6
25 - - 2.4 15
LPS (μg/ml)
Control 6.9 14.2 3.1 10.7
10 - - 5 22.5
25 11.4 23.1 6.1 19.7
50 9.9 16.1 2.9 14.2
100 7.9 10.5 2.8 13