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SD rats response to the cyclophosphamide and bleomycin administration by means of the chromosomal aberration assay in bone marrow.

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Author(s): Daniel Francisco Arencibia Arrebola | Luis Alfredo Rosario Fernández

Journal: RETEL : Revista de Toxicología en Línea
ISSN 1668-091X

Volume: 28;
Start page: 1;
Date: 2010;
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Keywords: Chromosomal aberration assays | Sprague Dawley rats | cyclophosphamide | bleomycin

ABSTRACT
In this study we decided to evaluate and compare the SD rats response of both sexes in theadministration of two mutagenic substances by chromosomal aberrations assay in bonemarrow cells. Which were formed 5 experimental groups per sex, the first administered withNaCl 0,9 % by intraperitoneal (i.p) route, the second and third groups were administered with cyclophosphamide by i.p route, with designs of different treatments at doses of 50 mg/kg. The fourth and fifth groups were administered with bleomycin by i.p route, equally in two designs of different treatments at doses of 40 mg/kg. At the end of the experience obtained higher results of inductions of numeric and structural chromosome aberrations with the use of cyclophosphamide and bleomycin were administered 48 and 24 hours before sacrifice in SD rats of both sexes. This constitutes the best experimental design to induce a considerable number of chromosomal aberrations. Nevertheless high sensibility of this rat line in both sexes was evidenced to the action of both mutagens independently of the outline of used treatment.
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