Title : Piceatannol inhibits TNF-induced NF-kappaB activation and NF-kappaB-mediated gene expression through suppression of IkappaBalpha kinase and p65 phosphorylation.

Pub. Date : 2002 Dec 1

PMID : 12444159






5 Functional Relationships(s)
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1 Piceatannol inhibits TNF-induced NF-kappaB activation and NF-kappaB-mediated gene expression through suppression of IkappaBalpha kinase and p65 phosphorylation. 3,3',4,5'-tetrahydroxystilbene NFKB inhibitor alpha Homo sapiens
2 When examined for the mechanism, we found that piceatannol inhibited TNF-induced IkappaBalpha phosphorylation, p65 phosphorylation, p65 nuclear translocation, and IkappaBalpha kinase activation, but had no significant effect on IkappaBalpha degradation. 3,3',4,5'-tetrahydroxystilbene NFKB inhibitor alpha Homo sapiens
3 When examined for the mechanism, we found that piceatannol inhibited TNF-induced IkappaBalpha phosphorylation, p65 phosphorylation, p65 nuclear translocation, and IkappaBalpha kinase activation, but had no significant effect on IkappaBalpha degradation. 3,3',4,5'-tetrahydroxystilbene NFKB inhibitor alpha Homo sapiens
4 When examined for the mechanism, we found that piceatannol inhibited TNF-induced IkappaBalpha phosphorylation, p65 phosphorylation, p65 nuclear translocation, and IkappaBalpha kinase activation, but had no significant effect on IkappaBalpha degradation. 3,3',4,5'-tetrahydroxystilbene NFKB inhibitor alpha Homo sapiens
5 Overall, our results clearly demonstrate that hydroxyl groups of stilbenes are critical and that piceatannol, a tetrahydroxystilbene, suppresses NF-kappaB activation induced by various inflammatory agents through inhibition of IkappaBalpha kinase and p65 phosphorylation. 3,3',4,5'-tetrahydroxystilbene NFKB inhibitor alpha Homo sapiens