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Synergistic antiproliferation action of the flavonols quercetin and kaempferol in cultured human cancer cell lines
journal contribution
posted on 2005-01-01, 00:00 authored by Leigh AcklandLeigh Ackland, S Van De Waarsenburg, R JonesThe consumption of vegetables containing the flavonols quercetin and kaempferol reduces the risk of cancer. We utilized human gut (HuTu-80 and Caco-2) and breast cancer cells (PMC42) to show the synergistic effect of quercetin and kaempferol in reducing cell proliferation. A trend in reduction of total cell counts was seen following a single exposure, a 4-day exposure or a 14-day exposure to quercetin and kaempferol. Combined treatments with quercetin and kaempferol were more effective than the additive effects of each flavonol. The reduction in cell proliferation was associated with decreased expression of nuclear proliferation antigen Ki67 and decreased total protein levels in treated cells relative to controls. In conclusion, the synergistic antiproliferative effect of quercetin and kaempferol demonstrated in cultured human cells has broad implications for understanding the influence of dietary nutrients in vivo, where anticancer effects may be a result of nutrients which act in concert.
History
Journal
in vivoVolume
19Issue
1Season
Jan-FebPagination
69 - 76Publisher
International Institute of Anticancer ResearchLocation
Athens, GreeceISSN
0258-851XLanguage
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2005, International Institute of Anticancer Research (Dr. John G. Delinassios)Usage metrics
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