Chlorhexidine induces DNA damage in rat peripheral leukocytes and oral mucosal cells

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorRibeiro, D. A.-
Autor(es): dc.creatorBazo, A. P.-
Autor(es): dc.creatorFranchi, CAD-
Autor(es): dc.creatorMarques, MEA-
Autor(es): dc.creatorSalvadori, DMF-
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Descrição: dc.descriptionObjective: Chlorhexidine digluconate is widely used in dental practice for decreasing plaque control, controlling gingivitis and disinfecting root canals. However, the undesirable effects of chlorhexidine digluconate regarding its genotoxicity are conflicting in the literature. Thus, the aim of this study was to investigate the genotoxicity of chlorhexidine digluconate in rat peripheral blood and oral mucosal cells by the single cell gel (comet) assay and micronucleus assay.Methods: Thirty male Wistar rats were distributed into three groups: negative control; experimental group orally treated with 0.5 ml of 0.12% chlorhexidine digluconate, twice daily, during 8 days; and positive control, which received 4-nitroquinoline 1-oxide at 0.5 g/l by drinking water.Results: A statistically significant increase of DNA damage was observed in leukocytes and oral mucosal cells of the chlorhexidine digluconate treated group, as assessed by the comet assay. However, no increase of micronucleated cells was detected in reticulocytes from peripheral blood cells.Conclusions: Taken together, the data indicate that chlorhexidine digluconate is able to induce primary DNA damage in leukocytes and in oral mucosal cells, but no chromosome breakage or loss in erythrocytes.-
Formato: dc.format358-361-
Idioma: dc.languageen-
Publicador: dc.publisherBlackwell Munksgaard-
Relação: dc.relationJournal of Periodontal Research-
Relação: dc.relation2.878-
Relação: dc.relation0,927-
Direitos: dc.rightsclosedAccess-
Palavras-chave: dc.subjectchlorhexidine-
Palavras-chave: dc.subjectcomet assay-
Palavras-chave: dc.subjectDNA damage-
Palavras-chave: dc.subjectmicronucleus assay-
Título: dc.titleChlorhexidine induces DNA damage in rat peripheral leukocytes and oral mucosal cells-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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