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Reprod Toxicol ; 126: 108607, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38734317

RESUMEN

Ethion is a class II moderately toxic organothiophosphate pesticide. The main objective of this study was to evaluate the maternal and foetal toxicity of ethion in rats. Pregnant rats were divided into 5 groups. Group I served as control. Group II, III, IV, and V were orally administered with 0.86, 1.71, 3.43, and 6.9 mg/kg of ethion respectively, from gestational day (GD) 6-19. Dams were sacrificed on GD 20. Maternal toxicity was assessed by body weight gain, foetal resorptions, oxidative stress, liver and kidney function tests, and histopathology. Foetal toxicity was assessed by physical status, gross, teratological and histopathological examination. Ethion caused dose-dependent reduction in maternal body weight gain, increased resorptions, and reduced gravid uterine weights. Elevated MDA levels and altered levels of GSH, SOD and catalase were recorded in pregnant dam serum and tissues. SGOT, SGPT, total bilirubin, urea, uric acid, and creatinine were elevated in ethion groups indicating liver and kidney toxicity. Histology of uterus revealed myometrial degeneration and mucosal gland atrophy in uterus of pregnant dams and degenerative changes in placenta. It showed histological alterations in liver, kidney, and lungs. There was reduction in the foetal body weights and placental weights, and degenerative changes in the foetal liver and kidney. Gross evaluation of foetuses showed subcutaneous hematoma. Skeletal evaluation showed partial ossification of skull bones, costal separation, and agenesis of tail vertebrae, sternebrae, metacarpals and metatarsals. The findings reveal that prenatal exposure to ethion caused maternal and foetal toxicity in rats.


Asunto(s)
Riñón , Hígado , Animales , Femenino , Embarazo , Ratas , Riñón/efectos de los fármacos , Riñón/patología , Hígado/efectos de los fármacos , Hígado/patología , Útero/efectos de los fármacos , Útero/patología , Estrés Oxidativo/efectos de los fármacos , Etilenotiourea/toxicidad , Exposición Materna , Feto/efectos de los fármacos , Feto/patología , Tamaño de los Órganos/efectos de los fármacos , Ratas Wistar , Insecticidas/toxicidad , Efectos Tardíos de la Exposición Prenatal/inducido químicamente , Placenta/efectos de los fármacos , Placenta/patología , Reabsorción del Feto/inducido químicamente , Intercambio Materno-Fetal , Desarrollo Fetal/efectos de los fármacos
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