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Abstract:

The standard version of the wing somatic mutation and recombination test (SMART) in Drosophila melanogaster was employed in order to evaluate the genotoxic potential of metronidazole (MTZ) as a function of exposure concentration. MTZ was administered by chronic feeding of 3-day-old larvae with the parenteral solution at 0, 500, 1000 and 2000 μg/ml until pupation. The marker-heterozygous progeny (mwh+/+flr3) with phenotypically wild-type wings was analyzed. Non significant differences were found between control and each MTZ concentration tested for single small spots (SSS) frequencies. Large single spots (LSS) and twin spots (TS) were significantly increased with the higher dose. MTZ treatments with 1000 and 2000 μg/ml also significantly increased the frequency of Total spots. These findings suggest that MTZ is genotoxic in the present experimental conditions and induces recombinagenesis and/or gene conversion, two major mechanisms that cause loss of heterocigosity and could play an important role in tumorigenesis and carcinogenesis processes. © 2013 Bentham Science Publishers.

Registro:

Documento: Artículo
Título:Metronidazole induced DNA damage in somatic cells of Drosophila melanogaster
Autor:Palermo, A.M.; Mudry, M.D.
Filiación:CITEDEF, Buenos Aires, Argentina
Grupo de Investigación en Biología Evolutiva, Instituto de Ecología, Genética y Evolución de Buenos Aires, Universidad de Buenos Aires, CONICET, Argentina
Palabras clave:Drosophila; Genotoxicity; Loss of heterozygosity; Metronidazole (MTZ); Wing spot assay; metronidazole; article; carcinogenesis; chromosome aberration; controlled study; DNA damage; Drosophila melanogaster; gene conversion; genotoxicity; heterozygosity loss; mitotic recombination; nonhuman; phenotype; point mutation; priority journal; progeny; somatic cell; somatic mutation; Animals; Anti-Infective Agents; DNA Damage; Dose-Response Relationship, Drug; Drosophila melanogaster; Larva; Metronidazole; Mutagenicity Tests; Mutagens; Wing
Año:2013
Volumen:8
Número:3
Página de inicio:195
Página de fin:198
DOI: http://dx.doi.org/10.2174/15748863113089990035
Título revista:Current Drug Safety
Título revista abreviado:Curr. Drug Saf.
ISSN:15748863
CAS:metronidazole, 39322-38-8, 443-48-1
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15748863_v8_n3_p195_Palermo

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Citas:

---------- APA ----------
Palermo, A.M. & Mudry, M.D. (2013) . Metronidazole induced DNA damage in somatic cells of Drosophila melanogaster. Current Drug Safety, 8(3), 195-198.
http://dx.doi.org/10.2174/15748863113089990035
---------- CHICAGO ----------
Palermo, A.M., Mudry, M.D. "Metronidazole induced DNA damage in somatic cells of Drosophila melanogaster" . Current Drug Safety 8, no. 3 (2013) : 195-198.
http://dx.doi.org/10.2174/15748863113089990035
---------- MLA ----------
Palermo, A.M., Mudry, M.D. "Metronidazole induced DNA damage in somatic cells of Drosophila melanogaster" . Current Drug Safety, vol. 8, no. 3, 2013, pp. 195-198.
http://dx.doi.org/10.2174/15748863113089990035
---------- VANCOUVER ----------
Palermo, A.M., Mudry, M.D. Metronidazole induced DNA damage in somatic cells of Drosophila melanogaster. Curr. Drug Saf. 2013;8(3):195-198.
http://dx.doi.org/10.2174/15748863113089990035