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- W2023658004 abstract "We recently established that LL-202, a newly synthesized flavonoid, exhibited obvious anticancer effects against human breast cells in vivo and in vitro. The underlying mechanism of its anticancer activity remains to be elucidated. In this study, we demonstrated that LL-202 inhibited the growth and proliferation of human breast cancer MCF-7 cells in a concentration and time-dependent manner. We reported that LL-202 induced both mitochondrial- and death-receptor-mediated apoptosis, which were characterized by the dissipation of mitochondrial membrane potential (ΔΨm), cytochrome c (Cyt c) release from mitochondria to cytosol, the activation of several caspases and induction of poly (ADP-ribose) polymerase (PARP) and Bid cleavage. N-acetylcysteine (NAC), a general ROS scavenger, partly blocked the LL-202-induced ROS levels and apoptosis. In addition, LL-202 induced arrest in cell cycle progression at G2/M phase in MCF-7 cells. After the treatment with LL-202, the expression of cell cycle-related proteins, such as cyclin B1, cyclin A, and p-CDK1 (Thr161) were down-regulated, whereas the expression of p21WAF1/Cip1 and p-CDK1 (Thr14/Tyr15) were up-regulated. Finally, in vivo studies, LL-202 significantly suppressed the growth of MCF-7 breast cancer xenograft tumors in a dose-dependent manner with low systemic toxicity. In conclusion, the results showed that LL-202 had significant anticancer effects against human breast cells via the induction of apoptosis and G2/M phase arrest and it may be a novel anticancer agent for treatment of breast cancer." @default.
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- W2023658004 date "2014-07-01" @default.
- W2023658004 modified "2023-10-10" @default.
- W2023658004 title "LL-202, a newly synthesized flavonoid, inhibits tumor growth via inducing G2/M phase arrest and cell apoptosis in MCF-7 human breast cancer cells in vitro and in vivo" @default.
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- W2023658004 doi "https://doi.org/10.1016/j.toxlet.2014.04.002" @default.
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