期刊论文详细信息
Cadernos de Saúde Pública
Instabilidade cromossômica induzida por agroquímicos em trabalhadores rurais na região de Passo Fundo, Rio Grande do Sul, Brasil
Adil De Oliveira Pacheco2  Christine Hackel1 
[1] ,Universidade de Passo Fundo Instituto de Ciências Biológicas Laboratório de Citogenética HumanaPasso Fundo RS ,Brasil
关键词: Occupational Health;    Poisoning;    Pesticide Exposure;    Chromosome Aberrations;    Saúde Ocupacional;    Envenenamento;    Exposição a Praguicidas;    Aberrações Cromossômicas;   
DOI  :  10.1590/S0102-311X2002000600022
来源: SciELO
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【 摘 要 】

A major share of the grain farming (wheat and soybeans) in the State of Rio Grande do Sul is in the Passo Fundo area. For crop pest control, large amounts of agrochemicals (fungicides, insecticides, and herbicides) are used. To evaluate the genotoxicity of these products, the micronucleus test was performed in farm workers directly exposed to these chemicals. Heparinized blood samples were drawn by venipuncture from 30 exposed workers and 30 non-exposed controls. Micronuclei frequency was evaluated by counting 1,000 binucleated cells per individual in both groups. Smoking habits, age, and duration of exposure showed no effect on the frequency of micronuclei in both groups. However, statistical analysis showed significantly higher mean numbers of binucleated cells with micronuclei in exposed individuals (14.3/1,000 cells) as compared to controls (7.1/1,000 cells), allowing the authors to conclude that the micronucleus test is an efficient biological assay for monitoring population exposure to mixtures of agrochemicals.

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