Trypanocidal activity of Brazilian plants against epimastigote forms from Y and Bolivia strains of Trypanosoma cruzi

Autor(es)

Alves, Renata Tome ^[1] ; Regasini, Luis Octavio ^[2] ; Funari, Cristiano Soleo ^[2] ; Marx Young, Maria Claudia ^[3] ; Rimoldi, Aline ^[4] ; Bolzani, Vanderlan da Silva ^[2] ; Siqueira Silva, Dulce Helena ^[2] ; de Albuquerque, Sergio ^[5] ; da Rosa, Joao Aristeu ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Paulista, Fac Ciencias Farmaceut Araraquara SP, Parasitol Lab, BR-14801902 Araraquara, SP - Brazil

^[2] Univ Estadual Paulista, Inst Quim Araraquara SP, Dept Quim Organ, BR-14801902 Araraquara, SP - Brazil

^[3] Inst Bot Sao Paulo, Sao Paulo - Brazil

^[4] Univ Estadual Campinas SP, Inst Biol, Sao Paulo - Brazil

^[5] Univ Sao Paulo, Fac Ciencias Farmaceut Ribeirao Preto SP, Parasitol Lab, BR-05508 Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY; v. 22, n. 3, p. 528-533, MAY-JUN 2012.
• Citações Web of Science: 9

Resumo

Chagas disease is one of the main public health problems in Latin America. Since the available treatments for this disease are not effective in providing cure, the screening of potential antiprotozoal agents is essential, mainly of those obtained from natural sources. This study aimed to provide an evaluation of the trypanocidal activity of 92 ethanol extracts from species belonging to the families Annonaceae, Apiaceae, Cucurbitaceae, Lamiaceae, Lauraceae, Moraceae, Nyctaginaceae, and Verbenaceae against the Y and Bolivia strains of Trypanosoma cruzi. Additionally, cytotoxic activity on LLCMK2 fibroblasts was evaluated. Both the trypanocidal activity and cytotoxicity were evaluated using the MTT method, in the following concentrations: 500, 350, 250, and 100 µg/mL. Benznidazole was used for positive control. The best results among the 92 samples evaluated were obtained with ethanol extracts of Ocotea paranapiacabensis (Am93) and Aegiphila lhotzkiana (Am160). Am93 showed trypanocidal activity against epimastigote forms of the Bolivia strain and was moderately toxic to LLCMK2 cells, its Selectivity Index (SI) being 14.56, while Am160 showed moderate trypanocidal activity against the Bolivia strain and moderate toxicicity, its SI being equal to 1.15. The screening of Brazilian plants has indicated the potential effect of ethanol extracts obtained from Ocotea paranapiacabensis and Aegiphila lhotzkiana against Chagas disease. (AU)

• Processo FAPESP: 03/02176-7 - Conservação e uso sustentável da diversidade do Cerrado e da Mata Atlântica: diversidade química e prospecção de medicamentos potenciais - fase II
• Beneficiário: Vanderlan da Silva Bolzani
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOTA - Temático