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Life Sciences
Research from University of Bonn yields new data on life sciences
June 15th, 2009
According to recent research from Bonn, Germany, "Hederacoside C, alpha-hederin, and hederagenin are saponins of dry extracts obtained from the leaves of ivy (Hedera helix L.). Internalization of beta(2)-adrenergic receptor-GFP fusion proteins after stimulation with 1 mc M terbutaline was inhibited by preincubation of stably transfected HEK293 cells with 1 mc M alpha-hederin for 24 h, whereas neither hederacoside C nor hederagenin (1 mc M each) influenced this receptor regulation." "After incubation of A549 cells with 5 nM Alexa532-NA, two different diffusion time constants were found for beta(2)AR-Alexa532-NA complexes by fluorescence correlation spectroscopy....
Source: Proteomics Weekly (2009-06-15)
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