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Inhibition of NF-κB activity of MCF7 cells and MCF7 sphere cells after treatment with PTL, PDTC and DETC. Cells were treated with PTL, PDTC and DETC at 5 µM for 24 h. Nuclear extract was prepared from control and treated cells. The quantification of NF-κB activation was performed using Trans-AM NF-κB kit from ActiveMotif
