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Pediatría (Asunción)

versión On-line ISSN 1683-9803

Resumen

BENITEZ-LEITE, S et al. Cell Damage in a Pediatric Population Potentially Exposed to Pesticides. Pediatr. (Asunción) [online]. 2010, vol.37, n.2, pp.97-106. ISSN 1683-9803.

Pesticides can cause acute or chronic effects on human health. Many pesticides can cause damage to genetic material. These changes in genetic information have been associated with an increased risk of cancer. The objective of this study is to investigate damage to genetic material in a population of children potentially exposed to pesticides in the environment. The study design was observational and cross sectional. We studied 48 children potentially exposed to pesticides and 46 unexposed children. Samples of the oral mucosa were obtained to determine damage to genetic material using micronucleus frequency (MN).Higher average micronucleus counts were found in the group potentially exposed to pesticides (5.1±2.9 vs. 1.8±2.0, p <0.0001), along with a higher average of binucleate cells (3.5±2.7 vs. 1.4±1.4 p <0.0001), higher frequency of karyorrhexis (18.2±18.4 vs. 5.8± 18.4, p <0.004) and pyknosis (24.8±18.0 vs. 17.1±8.3; p <0.03).Of the children potentially exposed to pesticides, 40% (19/47) had an exposure time of 6 years. This study provides evidence of genetic damage in the population potentially exposed to pesticides in the environment.

Palabras clave : mutagens; genotoxins; pesticides; children; child; environment.

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