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Evaluación antitumoral y toxicológica de 2-N-glicina-1,4-naftoquinona en tumor de Ehrlich en ratones Swiss
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Palabras clave

Cáncer
Carcinoma de Ehrlich
Histopatología
Química medicinal
Toxicidad

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Evaluación antitumoral y toxicológica de 2-N-glicina-1,4-naftoquinona en tumor de Ehrlich en ratones Swiss. (2026). Revista Eletrônica Acervo Saúde, 26(5), e23624. https://doi.org/10.25248/reas.e23624.2026

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Resumen

Objetivo: Determinar la toxicidad del derivado sintético 2-N-glicina-1, estructuralmente relacionado con la 4-naftoquinona lapachol, en ratones macho Swiss tras la administración oral de este compuesto. Métodos: Se implantaron tumores de Ehrlich en el tejido subcutáneo de la región axilar derecha de ratones macho Swiss de 8 semanas de edad, y las células tumorales se mantuvieron en forma ascítica. Los tratamientos comenzaron el tercer día después de la implantación de las células tumorales, y se realizaron evaluaciones biométricas diariamente hasta el octavo día. La microesteatosis y la necrosis coagulativa hepática, el engrosamiento de la cápsula de Bowman y la necrosis tubular renal fueron más graves con 1000 o 4000 μg/kg. Resultados: En general, la tasa más efectiva de inhibición tumoral se observó en animales tratados con 40 μg/kg del compuesto, con una reducción porcentual que osciló entre el 90% y el 96% en comparación con los controles. La naftoquinona no mostró un efecto anticancerígeno dependiente de la dosis. Sin embargo, se observaron alteraciones histopatológicas significativas dependientes de la dosis, particularmente en el hígado, los riñones, el corazón y el bazo, así como una disminución del hematocrito. Conclusión: Los datos demuestran que, si bien la naftoquinona promovió una reducción tumoral significativa a una dosis de 40 μg/kg, esto se acompañó de una marcada toxicidad dependiente de la dosis en el hígado, los riñones y el corazón.

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