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- W2149643192 abstract "The nuclear factor-κB (NF-κB) signaling pathway has been targeted for therapeutic applications in a variety of human diseases, includuing cancer. Many naturally occurring substances, including curcumin, have been investigated for their actions on the NF-κB pathway because of their significant therapeutic potential and safety profile. A synthetic monoketone compound termed 3,5-bis(2-flurobenzylidene)piperidin-4-one (EF24) was developed from curcumin and exhibited potent anticancer activity. Here, we report a mechanism by which EF24 potently suppresses the NF-κB signaling pathway through direct action on IκB kinase (IKK). We demonstrate that 1) EF24 induces death of lung, breast, ovarian, and cervical cancer cells, with a potency about 10 times higher than that of curcumin; 2) EF24 rapidly blocks the nuclear translocation of NF-κB, with an IC<sub>50</sub> value of 1.3 μM compared with curcumin, with an IC<sub>50</sub> value of 13 μM; 3) EF24 effectively inhibits tumor necrosis factor (TNF)-α-induced IκB phosphorylation and degradation, suggesting a role of this compound in targeting IKK; and 4) EF24 indeed directly inhibits the catalytic activity of IKK in an in vitro-reconstituted system. Our study identifies IKK as an effective target for EF24 and provides a molecular explanation for a superior activity of EF24 over curcumin. The effective inhibition of TNF-α-induced NF-κB signaling by EF24 extends the therapeutic application of EF24 to other NF-κB-dependent diseases, including inflammatory diseases such as rheumatoid arthritis." @default.
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- W2149643192 date "2008-06-24" @default.
- W2149643192 modified "2023-10-15" @default.
- W2149643192 title "Inhibition of IκB Kinase-Nuclear Factor-κB Signaling Pathway by 3,5-Bis(2-flurobenzylidene)piperidin-4-one (EF24), a Novel Monoketone Analog of Curcumin" @default.
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- W2149643192 doi "https://doi.org/10.1124/mol.108.046201" @default.
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