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. 2011 Aug;31(16):3252–3266. doi: 10.1128/MCB.05251-11

Table 4.

EC₅₀s obtained for wild-type and mutant IFN-α2 and IFN-β for antiproliferative activity of WISH cells and six breast cancer cell lines

Interferon	EC₅₀ (nM)^a
Interferon	WISH	MDA-MB-231	MDA-MB-468	MCF7	T-47D	BT-549	HS 578T
IFN-α2	3.6	0.29	0.69	0.73	0.4	4.2	12.9
IFN-β	0.057	0.014	0.035	0.044	0.02	0.04	0.017
YNS	0.023	0.0038	0.0048	0.015	0.038	0.0074	0.009
YNS-α8tail	0.012	0.0014	0.0031	0.014	0.0029	0.0082	0.004

^a

EC₅₀s were determined from dose-response curves, fitted to equation 2.