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Kaempferol promotes apoptosis in human bladder cancer cells by inducing the tumor suppressor, PTEN



Kaempferol promotes apoptosis in human bladder cancer cells by inducing the tumor suppressor, PTEN



International Journal of Molecular Sciences 14(11): 21215-21226



Kaempferol (Kae), a natural flavonoid, is widely distributed in fruits and vegetables. Previous studies have identified Kae as a possible cancer preventive and therapeutic agent. We found Kae to exhibit potent antiproliferation and anti-migration effects in human bladder cancer EJ cells. Kaempferol robustly induced apoptosis in EJ cells in a dose-dependent manner, as evidenced by increased cleavage of caspase-3. Furthermore, we found Kae-induced apoptosis in EJ cells to be associated with phosphatase and the tensin homolog deleted on the chromosome 10 (PTEN)/PI3K/Akt pathway. Kae significantly increased PTEN and decreased Akt phosphorylation. Kae-induced apoptosis was partially attenuated in PTEN-knockdown cells. Our findings indicate that Kae could be an alternative medicine for bladder cancer, based on a PTEN activation mechanism.

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Accession: 054035031

Download citation: RISBibTeXText

PMID: 24284390

DOI: 10.3390/ijms141121215


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