Title : Ellagic acid potentiates the effect of quercetin on p21waf1/cip1, p53, and MAP-kinases without affecting intracellular generation of reactive oxygen species in vitro.

Pub. Date : 2005 Mar

PMID : 15735102






4 Functional Relationships(s)
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1 Ellagic acid potentiates the effect of quercetin on p21waf1/cip1, p53, and MAP-kinases without affecting intracellular generation of reactive oxygen species in vitro. Ellagic Acid tumor protein p53 Homo sapiens
2 We found that quercetin and combinations of quercetin and ellagic acid nonsynergistically increased p53 protein levels. Ellagic Acid tumor protein p53 Homo sapiens
3 In contrast, ellagic acid potentiated the effects of quercetin for p21(cip1/waf1) protein levels and p53 phosphorylation at serine 15, possibly explaining the synergistic effect observed in apoptosis induction. Ellagic Acid tumor protein p53 Homo sapiens
4 In summary, quercetin and ellagic acid combined increase the activation of p53 and p21(cip1/waf1) and the MAP kinases, JNK1,2 and p38, in a more than additive manner, suggesting a mechanism by which quercetin and ellagic acid synergistically induce apoptosis in cancer cells. Ellagic Acid tumor protein p53 Homo sapiens