Title : Resveratrol causes COX-2- and p53-dependent apoptosis in head and neck squamous cell cancer cells.

Pub. Date : 2008 Aug 15

PMID : 18446786






6 Functional Relationships(s)
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1 Resveratrol causes COX-2- and p53-dependent apoptosis in head and neck squamous cell cancer cells. Resveratrol prostaglandin-endoperoxide synthase 2 Homo sapiens
2 We have investigated the mechanism by which resveratrol, a stilbene that is pro-apoptotic in many tumor cell lines, causes apoptosis in human head and neck squamous cell carcinoma UMSCC-22B cells by a mechanism involving cellular COX-2. Resveratrol prostaglandin-endoperoxide synthase 2 Homo sapiens
3 Resveratrol also caused p53 binding to the p21 promoter and increased abundance of COX-2 protein in UMSCC-22B cell nuclei. Resveratrol prostaglandin-endoperoxide synthase 2 Homo sapiens
4 Resveratrol-induced nuclear COX-2 accumulation was dependent upon ERK1/2 activation, but not p53 activation. Resveratrol prostaglandin-endoperoxide synthase 2 Homo sapiens
5 In UMSCC-22B cells, resveratrol-induced apoptosis and induction of nuclear COX-2 accumulation share dependence on the ERK1/2 signal transduction pathway. Resveratrol prostaglandin-endoperoxide synthase 2 Homo sapiens
6 Resveratrol-inducible nuclear accumulation of COX-2 is essential for p53 activation and p53-dependent apoptosis in these cancer cells. Resveratrol prostaglandin-endoperoxide synthase 2 Homo sapiens