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|Type:||Artigo de periódico|
|Title:||Efficacy of 8-bromoguanosine against murine cutaneous leishmaniasis induced with Leishmania amazonensis|
|Abstract:||Background and Methods: In this study, we investigated the effect of 8-bromoguanosine (8Brguo), an immunostimulatory compound, in a murine model of experimental cutaneous leishmaniasis. Results: The results indicated that treatment by intraperitoneal administration of 8Brguo (150 mg/kg once daily for 1 week and thereafter once weekly for 1 month) diluted in Tween-80 produces an effect similar to that of treatment with the classical antimonial drug, Glucantime, in Leishmania amazonensis-infected CBA/J mice. While complete cure did not occur, animals treated with the nucleoside had small lesions in the infected footpad and delayed surface ulceration. Studies involving examination of serum glutamic pyruvic transaminase activity, concentration of urea, blood pathology and histology of the spleen, kidney and liver showed no apparent toxicity of the nucleoside in treated mice. Conclusion: The protective in vivo effect during murine leishmaniasis as well as the lack of apparent toxicity of 8Brguo as attested by blood/serum pathology and histology from treated mice encourage further studies of C8-substituted guanine ribonucleosides, such as 8Brguo, as new leishmanial drugs and as modifiers of the immunological response to combat infections with intracellular pathogens. Copyright (C) 2003 S. Karger AG, Basel.|
|Citation:||Chemotherapy. Karger, v. 49, n. 4, n. 159, n. 162, 2003.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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