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Abstract Title:

The protective effect exerted by ascorbic acid on DNA fragmentation of human leukocytes induced by Lachesis muta muta venom.

Abstract Source:

J Cell Biochem. 2018 Oct 15. Epub 2018 Oct 15. PMID: 30321470

Abstract Author(s):

Marcus Vinícius Cardoso Trento, Mateus William de Faria Eleutério, Tatiane Silva Abreu, Gustavo Henrique Andrade Machado, Pedro Henrique Souza Cesar, Anderson Assaid Simão, Silvana Marcussi

Article Affiliation:

Marcus Vinícius Cardoso Trento

Abstract:

The objective of this study was to evaluate the genotoxic and mutagenic effects of the toxins present in Lachesis muta muta's venom on human peripheral blood leukocytes and the protective potential of ascorbic acid on DNA fragmentation. The venom of L. muta muta was incubated in different concentrations (1, 2.5, 5, 7.5, 10, 15, 20, 30, 40, 50, 60, and 120 µg/mL) with human blood to evaluate DNA fragmentation using the comet, agarose gel electrophoresis, and micronucleus assays. In these concentrations evaluated, the venom of L. muta muta induced genotoxicity (comet assay and agarose gel electrophoresis) and mutagenicity (micronucleus test), but they were not cytotoxic, as they did not change the rate of cell proliferation after cytokinesis blockade with cytochalasin B. The ascorbic acid significantly inhibited the genotoxicity induced by L. muta muta venom in the proportions evaluated (1:0.1 and 1:0.5, venom/ascorbic acid - w/w). Thus, future studies are needed to elucidate the protective mechanisms of ascorbic acid on the genotoxic effects induced by toxins present in snake venoms.

Study Type : Human In Vitro

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Depression: 21st Century Solutions + The Dark Side of Wheat

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