Marcelo de Campos-Nebel

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Topoisomerase II (Top2) is a nuclear enzyme involved in several metabolic processes of DNA. Chemotherapy agents that poison Top2 are known to induce persistent protein-mediated DNA double strand breaks (DSB). In this report, by using knock down experiments, we demonstrated that Top2alpha was largely responsible for the induction of gammaH2AX and(More)
Etoposide (ETO), a drug used for the treatment of human tumors, is associated with the development of secondary malignancies. Recently, therapeutic strategies have incorporated chemosensitizing agents to improve the tumoral response to this drug. ETO creates DNA double-strand breaks (DSB) via inhibition of DNA topoisomerase II (Top2). To repair DSB,(More)
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