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The Japanese Journal of Pharmacology
Vol. 89 (2002) No. 1 P 81-84



Short Communications

BAY 11-7082, an inhibitor of nuclear factor-κB (NF-κB), which prevents a step of the phosphorylation of inhibitory protein IκB bound to NF-κB, suppressed basal and tumor necrosis factor (TNF)-α-induced prepro endothelin (ET)-1 mRNA expression and NF-κB activation in cultured vascular endothelial cells. BAY 11-7082 significantly decreased basal and TNF-α-induced ET-1 release from endothelial cells. These results indicate that the inhibition of NF-κB activation contributes to the suppressive effect of BAY 11-7082 on ET-1 gene expression and ET-1 release, thereby suggesting that NF-κB plays an important role in the regulation of ET-1 production.

Copyright © The Japanese Pharmacological Society 2002

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