Title : Histamine regulates cyclooxygenase 2 gene activation through Orai1-mediated NFκB activation in lung cancer cells.

Pub. Date : 2011 Jul

PMID : 21605904






6 Functional Relationships(s)
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1 However, the link between histamine-mediated signaling and activation of inflammatory genes such as cyclooxygenase 2 (COX-2) is still unknown. Histamine prostaglandin-endoperoxide synthase 2 Homo sapiens
2 However, the link between histamine-mediated signaling and activation of inflammatory genes such as cyclooxygenase 2 (COX-2) is still unknown. Histamine prostaglandin-endoperoxide synthase 2 Homo sapiens
3 Following stimulation with 10 muM of histamine, both store-operated Ca(2+) entry (SOCE) and COX-2 gene expression were evoked. Histamine prostaglandin-endoperoxide synthase 2 Homo sapiens
4 Histamine-mediated COX-2 activation can be prevented by 2-APB and SKF-96365, SOC channel inhibitors. Histamine prostaglandin-endoperoxide synthase 2 Homo sapiens
5 In addition, deletion analysis of the COX-2 promoter suggested that the region between -80 bp and -250 bp, which contains NFkappaB binding sites, is the key element for histamine-mediated signaling. Histamine prostaglandin-endoperoxide synthase 2 Homo sapiens
6 Knocking down ORAI1, one of the essential molecules of store-operated calcium channels, attenuated histamine-mediated COX-2 expression and NFkappaB activation. Histamine prostaglandin-endoperoxide synthase 2 Homo sapiens