Atividade anti-protozoário in vitro do p-Cimeno sobre Leishmania amazonensis
DOI:
https://doi.org/10.33871/23594373.2019.21.02.3157Resumo
As doenças tropicais se constituem em um grave problema de saúde pública, por serem negligenciadas e atingirem especialmente as populações mais pobres. Entre os principais problemas mundiais de saúde, a leishmaniose se destaca por apresentar altas taxas de mortalidade. Grandes esforços tem sido empregados na busca por novos medicamentos nas ultimas décadas, sendo o uso da fitoterapia investigado com grande interesse, devido às plantas serem consideradas uma ampla fonte de compostos com potencial biomedicinal. A atividade anti-protozoário da substância p-Cimeno sobre formas promastigotas e amastigotas axênicas de Leishmania amazonensis, foi avaliado. Após 72 horas de cultivo, o p-Cimeno apresentou concentração inibitória de 50% (CI50) igual à 65,0 µg/mL e 55,0 µg/mL sobre as formas promastigotas e amastigotas axênicas, respectivamente. Análises de citotoxicidade do p-Cimeno, foram realizadas por meio do método colorimétrico da sulforodamina-B sobre macrófagos J774G8 e a concentração citotóxica para 50% das células (CC50) foi de 54,0 µg/mL. Os dados obtidos indicam efeito antiparasitário do p-Cimeno sobre Leishmania amazonensis, principalmente sobre sua forma amastigota, sendo considerado potencial candidato para novos estudos contra o parasito.Downloads
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