PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19776176-3 2009 Here, we investigated the effects of delphinidin, an abundant dietary anthocyanin, on UVB-induced COX-2 upregulation and the underlying molecular mechanism. delphinidin 37-48 prostaglandin-endoperoxide synthase 2 Mus musculus 98-103 19776176-4 2009 We found that delphinidin suppressed UVB-induced COX-2 expression in JB6 P+ mouse epidermal cells. delphinidin 14-25 prostaglandin-endoperoxide synthase 2 Mus musculus 49-54 19776176-5 2009 COX-2 promoter activity and PGE(2) production were also suppressed by delphinidin treatment within non-cytotoxic concentrations. delphinidin 70-81 prostaglandin-endoperoxide synthase 2 Mus musculus 0-5 19776176-6 2009 Activator protein-1 and nuclear factor-kappaB, crucial transcription factors involved in COX-2 expression, were activated by UVB and delphinidin abolished this activation. delphinidin 133-144 prostaglandin-endoperoxide synthase 2 Mus musculus 89-94 19776176-10 2009 Moreover, in vivo investigations using mouse skin revealed that the upregulation of COX-2 expression, MAPKK4 activity and PI-3K activity induced by UVB was abolished with delphinidin treatment. delphinidin 171-182 prostaglandin-endoperoxide synthase 2 Mus musculus 84-89 19776176-11 2009 Collectively, our results demonstrated that delphinidin targets MAPKK4 and PI-3K directly to suppress COX-2 overexpression, suggesting a potential protective role for delphinidin against UVB-mediated skin carcinogenesis. delphinidin 44-55 prostaglandin-endoperoxide synthase 2 Mus musculus 102-107 19139002-4 2008 Here, we report that delphinidin, a major dietary anthocyanidin, inhibits tumor promoter-induced transformation and cyclooxygenase-2 (COX-2) expression in JB6 promotion-sensitive mouse skin epidermal (JB6 P+) cells by directly targeting Raf and mitogen-activated protein kinase kinase (MEK). delphinidin 21-32 prostaglandin-endoperoxide synthase 2 Mus musculus 116-132 19139002-11 2008 Together, these findings suggested that the targeted inhibition of Raf1 and MEK activities and COX-2 expression by delphinidin contribute to the chemopreventive potential of fruits and vegetables. delphinidin 115-126 prostaglandin-endoperoxide synthase 2 Mus musculus 95-100 19139002-4 2008 Here, we report that delphinidin, a major dietary anthocyanidin, inhibits tumor promoter-induced transformation and cyclooxygenase-2 (COX-2) expression in JB6 promotion-sensitive mouse skin epidermal (JB6 P+) cells by directly targeting Raf and mitogen-activated protein kinase kinase (MEK). delphinidin 21-32 prostaglandin-endoperoxide synthase 2 Mus musculus 134-139 19139002-5 2008 Delphinidin inhibited 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced neoplastic transformation and COX-2 expression at both the protein and transcriptional levels. delphinidin 0-11 prostaglandin-endoperoxide synthase 2 Mus musculus 103-108 15963474-2 2005 Of five anthocyanidins, delphinidin and cyanidin inhibited LPS-induced COX-2 expression, but pelargonidin, peonidin and malvidin did not. delphinidin 24-35 prostaglandin-endoperoxide synthase 2 Mus musculus 71-76 15963474-8 2005 Thus, our results demonstrated that LPS-induced COX-2 expression by activating MAPK pathways and delphinidin suppressed COX-2 by blocking MAPK-mediated pathways with the attendant activation of nuclear factor-kappaB (NF-kappaB), activator protein-1 (AP-1) and C/EBPdelta. delphinidin 97-108 prostaglandin-endoperoxide synthase 2 Mus musculus 120-125 15963474-4 2005 Delphinidin, the most potent inhibitor, caused a dose-dependent inhibition of COX-2 expression at both mRNA and protein levels. delphinidin 0-11 prostaglandin-endoperoxide synthase 2 Mus musculus 78-83