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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Delphinidin inhibits endothelial cell proliferation and cell cycle progression through a transient activation of ERK-1/-2.

Epidemiological studies have shown that a diet rich in fruits and vegetables might reduce the risk of cardiovascular diseases and protect against cancer by mechanisms that have not been elucidated yet. This study was aimed to define the effect of delphinidin, a vasoactive polyphenol belonging to the class of anthocyanin, on bovine aortic endothelial cells (BAECs) proliferation. Delphinidin inhibited serum- and vascular endothelium growth factor-induced BAECs proliferation. This antiproliferative effect of delphinidin, is triggered by ERK-1/-2 activation, independent of nitric oxide pathway and is correlated with suppression of cell progression by blocking the cell cycle in G(0)/G(1) phase. Furthermore, suppression of cell cycle progression is associated with the modulation of the mitogenic signaling transduction cascade. This includes over-expression of caveolin-1 and p21(WAF1/Cip1) and down-expression of Ras and cyclin D1. In conclusion, the antiproliferative effect of delphinidin may be of importance in preventing both plaque development and stability in atherosclerosis and tumor dissemination in cancer.[1]

References

  1. Delphinidin inhibits endothelial cell proliferation and cell cycle progression through a transient activation of ERK-1/-2. Martin, S., Favot, L., Matz, R., Lugnier, C., Andriantsitohaina, R. Biochem. Pharmacol. (2003) [Pubmed]
 
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