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Abstract Title:

The teratogenic potential of the herbicide glyphosate-Roundup in Wistar rats.

Abstract Source:

Toxicol Lett. 2003 Apr 30;142(1-2):45-52. PMID: 12765238

Abstract Author(s):

Eliane Dallegrave, Fabiana DiGiorgio Mantese, Ricardo Soares Coelho, Janaina Drawans Pereira, Paulo Roberto Dalsenter, Augusto Langeloh

Article Affiliation:

Department of Pharmacology, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Sarmento Leite 500 sala 202, 90046-900 Porto Alegre, RS, Brazil. elianed@vortex.ufrgs.br

Abstract:

The aim of this study was to assess the teratogenicity of the herbicide glyphosate-Roundup (as commercialized in Brazil) to Wistar rats. Dams were treated orally with water or 500, 750 or 1000 mg/kg glyphosate from day 6 to 15 of pregnancy. Cesarean sections were performed on day 21 of pregnancy, and number of corpora lutea, implantation sites, living and dead fetuses, and resorptions were recorded. Weight and gender of the fetuses were determined, and fetuses were examined for external malformations and skeletal alterations. The organs of the dams were removed and weighed. Results showed a 50%, mortality rate for dams treated with 1000 mg/kg glyphosate. Skeletal alterations were observed in 15.4, 33.1, 42.0 and 57.3% of fetuses from the control, 500, 750 and 1000 mg/kg glyphosate groups, respectively. We may conclude that glyphosate-Roundup is toxic to the dams and induces developmental retardation of the fetal skeleton.

Study Type : Animal Study

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