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Apoptosis or programmed cell death is a biological event that is biochemically and morphologically distinct from cellular necrosis. Nonetheless, its relationship has not been studied in terms of a cytogenetic endpoint such as micronucleus formation. In the present study, based on cytological...
Hydrazine compounds are important industrial and laboratory chemicals. Many of them are carcinogenic in animal tests. Although the carcinogenicity is well established, the results of mutagenicity tests performed on alkylhydrazines vary greatly in different studies. In an attempt to clarify the...
Ashby has recently described a clear diagrammatic model for the presentation and assessment of test data from dominant lethal tests. From a regulatory perspective, this approach has the merit of providing data in a standard format. Having recently evaluated the dominant lethal test data for...
Workers in the petroleum distribution trades experience relatively high-level exposures to fuel vapours whose consequences have not been fully elucidated. In this study, the possible relationship between occupational exposure to petroleum fuels and cytogenetic damages in peripheral lymphocytes...
Female mice of the BALB c and CF1 strains were mated and irradiated with various doses of X-rays 7 h after presumed fertilization, 18 days later, females were killed and their uteri examined for prenatal mortality at the different stages of development. Living fetuses were weighed and examined...
The present study concerns the possible adaptive response, induced in vivo by a continuous exposure to ionizing radiations, to a challenge treatment with the radiomimetic glycopeptide bleomycin (BLM). Lymphocytes from children contaminated as a consequence of Chernobyl accident were treated for...
The aim of this study was to compare the susceptibility of peripheral monocytes and lymphocytes to oxidant-induced DNA single-strand breaks (SSB). DNA damage was assessed by the alkaline single-cell gel electrophoresis (SCGE) assay. Total peripheral mononuclear leukocytes (PML), PML enriched in...
Mouse lymphoma cells of the L5178Y TK +/−3.7.2C line were exposed to varying concentrations of the anti-schistosomal drug hycanthone methanesulfonate. The trifluorothymidine (TFT)-resistant cells fell into two classes based on colony size. Southern blot analyses were performed using Nco...
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