Table 1.

IL-8 Release by Nonmetastatic and Metastatic Breast Carcinoma Cell Lines (ng/ml/24 hr/Million Cells)

	Nonmetastatic cell lines		Metastatic cell lines
		MCF-7	T47D	MDA-231	MDA-435
Basal level	0.003 ± 0.005	0.000 ± 0	0.222 ± 0.052	1.752 ± 0.208
0.06 ng/ml IL-1β	0.033 ± 0.01	0.004 ± 0.002	5.018 ± 0.388	2.659 ± 0.358
0.25 ng/ml IL-1β	0.188 ± 0.023	0.057 ± 0.002	24.510 ± 0.381	5.611 ± 0.867
1 ng/ml IL-1β	0.401 ± 0.04	0.08 ± 0.01	61.818 ± 3.381	9.354 ± 0.325
0.25 ng/ml TNF-α	0.008 ± 0.001	0.000 ± 0	3.315 ± 2.606	13.851 ± 2.778
1 ng/ml TNF-α	0.087 ± 0.001	0.000 ± 0	10.530 ± 2.673	48.879 ± 3.076
4 ng/ml TNF-α	0.247 ± 0.004	0.001 ± 0	16.616 ± 5.938	72.413 ± 13.63