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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

In Vivo Antigenotoxicity of Baccharin, an Important Constituent of Baccharis dracunculifolia DC (Asteraceae)

Texto completo
Autor(es):
Oliveira, Pollyanna F. [1] ; Monteiro Neto, Moaeir A. B. [1] ; Leandro, Luis F. [1] ; Bastos, Jairo K. [2] ; da Silva Filho, Ademar A. [3] ; Tavares, Denise C. [1]
Número total de Autores: 6
Afiliação do(s) autor(es):
[1] Univ Franca, BR-14404600 Sao Paulo - Brazil
[2] Univ Sao Paulo, Fac Pharmaceut Sci Ribeirao Preto, BR-05508 Sao Paulo - Brazil
[3] Univ Fed Juiz de Fora, Fac Pharm, Juiz De Fora, MG - Brazil
Número total de Afiliações: 3
Tipo de documento: Artigo Científico
Fonte: BASIC & CLINICAL PHARMACOLOGY & TOXICOLOGY; v. 109, n. 1, p. 35-41, JUL 2011.
Citações Web of Science: 5
Resumo

Baccharin (3-prenyl-4-(dihydrocinnamoyloxy)cinnamic acid) is an important chemical compound isolated from the aerial parts of Baccharis dracunculifolia DC (Asteraceae), a native plant of South America, and the most important plant source of Brazilian green propolis. The present study was designed to investigate the ability of baccharin to modulate the genotoxic effects induced by doxorubicin and methyl methanesulphonate in male Swiss mice using the micronucleus and comet assays, respectively. The different doses of baccharin {[}0.12, 0.24 and 0.48 mg/kg body-weight (b.w.)] were administered simultaneously to doxorubicin (micronucleus test; 15 mg/kg b.w.) and to methyl methanesulphonate (comet assay; 40 mg/kg b.w.). The results showed a significant decrease in the frequency of micronucleated polychromatic erythrocytes in animals treated with baccharin and doxorubicin compared to animals that received only doxorubicin. This reduction ranged from 39.8% to 50.7% in the micronucleus test. The extent of DNA damage in liver cells was significantly lower in animals treated with different concentrations of baccharin combined with methyl methanesulphonate in comparison with the damage observed for animals treated only with methyl methanesulphonate. These differences resulted in a significant reduction in the extent of DNA damage, which ranged from 47.8% to 60.6%. (AU)

Processo FAPESP: 07/07211-6 - Estudo da atividade mutagênica e/ou antimutagênica da Baccharis dracunculifolia e do Artepelin C em células de mamíferos
Beneficiário:Denise Crispim Tavares Barbosa
Linha de fomento: Auxílio à Pesquisa - Regular
Processo FAPESP: 09/12019-2 - Avaliação in vivo e in vitro do potencial mutagênico/antimutagênico e genotóxico/antigenotóxico da baccharina, um importante composto químico da Baccharis dracunculifolia
Beneficiário:Pollyanna Francielli de Oliveira
Linha de fomento: Bolsas no Brasil - Mestrado