RESUMO: "Ação citotóxica da sub-fração 2125 de Vernonia scorpioides contra células do Sarcoma 180 em camundongos". O efeito da sub-fração SF-2125 obtida do extrato das folhas de Vernonia scorpioides foi investigado em camundongos portadores do tumor ascítico Sarcoma 180 (S180). Os animais foram tratados com SF-2125 na concentração de 5 mg/kg, administrada por vias intraperitoneal e intravenosa durante o desenvolvimento do tumor. O tratamento com SF-2125 5 mg/kg i.p. aumentou o tempo de vida dos animais, manteve seu peso corporal e o tumor na forma ascítica não teve desenvolvimento. O tratamento intravenoso não reduziu o volume do tumor. Unitermos: Sarcoma 180, sub-fração 2125, Vernonia scorpioides.ABSTRACT: The effect of the selected sub-fraction SF-2125 of the Vernonia scorpioides leaf extract on Sarcoma 180 (S180) ascitic tumor-bearing mice was investigated. The animals were treated with SF-2125 at a concentration of 5 mg/kg, administered intraperitoneally and intravenous during the development of the tumor. Treatment with SF-2125 5 mg/kg i.p. increased the lifespan of the animals, maintained their body and the ascitic tumor showed no development. Intravenous treatment did not reduce the tumor volume.
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