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In this study, we investigated the effects of biapigenin, a biflavone present in the extracts of Hypericum perforatum, in rat brain mitochondrial bioenergetics and calcium homeostasis. We found that biapigenin significantly decreased adenosine diphosphate (ADP)-induced membrane depolarization and increased repolarization (by 68 and 37%, respectively). These effects were blocked by atractyloside and...
In the present study we investigated the effects of phenolic compounds present inHypericum perforatum against neuronal excitotoxicity and mitochondrial dysfunction. Quercetin, kaemp-ferol and biapigenin significantly reduced neuronal death caused by 100 μM kainate plus 100 μMN-methyl-D-aspartate. The observed neuroprotection was correlated with prevention of delayed calcium deregulation and with the...
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