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

Beneficial effect of flavonoid baicalein in cisplatin-induced cell death of human glioma cells.

Flavonoids are a family of polyphenolic compounds found ubiquitously in fruits and vegetables as well as in food products and beverages derived from plants. Baicalein is a flavonoid extracted from the root of Scutellaria baicalensis Georgi, a medicinal plant traditionally used in Oriental medicine. Baicalein exerts either proapoptotic or anti-apoptotic effects in different cell types. The present study was, therefore, undertaken to examine the effect of baicalein on cisplatin-induced apoptosis of human glioma cells. Cisplatin resulted in cell death in a dose- and time-dependent manner and the cell death was attributed to apoptosis. Baicalein prevented loss of cell viability and apoptosis induced by cisplatin in a dose-dependent fashion over the concentrations of 2-10 microM. Exposure of cells to baicalein without cisplatin did not affect cell viability. Western blot analysis demonstrated that cisplatin induced activation of extracellular signal-regulated kinase ( ERK), which was not affected by baicalein. Baicalein prevented Bax expression, mitochondrial depolarization, cytochrome c release from mitochondria, and caspase activation induced by cisplatin. Taken together, these findings suggest that baicalein prevents cisplatin-induced apoptosis through inhibition of the mitochondrial depolarization in human glioma cells.[1]


  1. Beneficial effect of flavonoid baicalein in cisplatin-induced cell death of human glioma cells. Lee, S.W., Song, G.S., Kwon, C.H., Kim, Y.K. Neurosci. Lett. (2005) [Pubmed]
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