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Published on: July 29, 2019
Genotoxicity from domestic use of organophosphate pesticides
A D Lieberman1, M R Craven, H A Lewis
1Center for Occupational and Environmental Medicine, North Charleston, South Carolina 29420, USA.
Abstract:
This report describes the types of chromosome damage in peripheral blood found in patients exposed to domestic application of organophosphate pesticides. These changes serve as a biomarker of cumulative toxic exposure. Susceptible individuals show DNA damage as chromosome alterations. The importance of these findings is that the apparent genotoxic changes occurred from domestic application of two of the commonly used organophosphate pesticides in America and adds one more adverse potential effect from these hazardous chemicals. Peripheral blood from eight patients exposed to the domestic spraying of organophosphate pesticides was cultured and the chromosomes photographed. The types of chromosome alterations seen included chromatid and chromosome breaks, single and double minutes, dicentrics, rings, translocations, exchanges (including sister chromatid), and endoreduplications. Our findings support previous findings that organophosphate pesticides have genotoxic effects even at domestically sprayed levels.
Insights
Organophosphate pesticides, used domestically, can cause genotoxic effects, leading to chromosome damage in susceptible individuals. This DNA damage serves as a biomarker for toxic exposure from these hazardous chemicals.
Area of Science:
- Environmental toxicology
- Genetics
- Biomarkers
Background:
- Organophosphate pesticides are widely used in domestic applications.
- Exposure to these chemicals can pose health risks.
- Chromosome damage in peripheral blood can indicate toxic exposure.
Purpose of the Study:
- To investigate chromosome damage in patients exposed to domestic organophosphate pesticides.
- To identify chromosome alterations as biomarkers of cumulative toxic exposure.
- To assess the genotoxic potential of commonly used organophosphate pesticides in domestic settings.
Main Methods:
- Peripheral blood samples from eight exposed patients were cultured.
- Chromosomes were photographed to analyze alterations.
- Types of chromosome damage were cataloged.
Main Results:
- Observed chromosome alterations included breaks, minutes, dicentrics, rings, translocations, exchanges, and endoreduplications.
- Genotoxic changes were evident from domestic application of organophosphate pesticides.
- Findings support the genotoxic effects of organophosphate pesticides at domestic spray levels.
Conclusions:
- Organophosphate pesticides demonstrate genotoxic effects, causing chromosome damage.
- Chromosome alterations serve as a biomarker for cumulative toxic exposure.
- Domestic use of organophosphate pesticides presents potential adverse health effects.
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