Neuza Machado

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The virtual screening of a library of xanthone derivatives led us to the identification of potential novel MDM2 ligands. The activity of these compounds as inhibitors of p53-MDM2 interaction was investigated using a yeast phenotypic assay, herein developed for the initial screening. Using this approach, in association with a yeast p53 transactivation assay,(More)
α-Mangostin (1) and gambogic acid (2) are natural products with potent cytotoxic activity against several human tumor cells. However, their molecular mechanisms of action remain controversial. In this work, using yeast-based assays, it was shown that both xanthones are potential inhibitors of the p53-MDM2 interaction. This activity on p53-MDM2 interaction(More)
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