著者
Adriana Meri Mestrimer Felipe Vinicius Pires Rincão Fabrício José Benati Rosa Elisa Carvalho Linhares Karen Janaina Galina Cleyton Eduardo Mendes de Toledo Gisely Cristiny Lopes João Carlos Palazzo de Mello Carlos Nozawa
出版者
The Pharmaceutical Society of Japan
雑誌
Biological and Pharmaceutical Bulletin (ISSN:09186158)
巻号頁・発行日
vol.29, no.6, pp.1092-1095, 2006 (Released:2006-06-01)
参考文献数
22
被引用文献数
22 28

Crude extract (CE) and aqueous (AqF) and ethyl acetate (EtOAcF) fractions of Guazuma ulmifolia LAM., Sterculiaceae and the corresponding AqF, EtOAcF of Stryphnodendron adstringens (MART.) COVILLE, Leguminosae were tested for their antiviral activity against poliovirus 1 (P-1) and bovine herpesvirus 1 (BHV-1) in HEp-2 cultured cells. The antiviral activity was monitored by plaque assay and immunofluorescence assay (IFA) under virucidal and therapeutic protocols. The therapeutic protocol demonstrated statistically significant positive results with both plants and for both virus strains. The highest percentages of viral inhibition were found for G. ulmifolia EtOAcF which inhibited BHV-1 and P-1 replication by 100% and 99%, respectively (p<0.05, Student's t-test). For S. adstringens, AqF was the most efficient, inhibiting BHV-1 and P-1 by 97% and 93%, respectively (p<0.05). In the virucidal protocol, G. ulmifolia CE inhibited the replication of BHV-1 and P-1 by 60% and 26%, respectively (p<0.05), while, for S. adstringens, inhibition of 62% (p<0.05) was demonstrated only with EtOAcF for P-1. IFA demonstrated that the greatest reduction in fluorescent cell number occurred with G. ulmifolia, under the therapeutic protocol for both virus strains. However, AqF and EtOAcF of S. adstringens were most efficient with the virucidal protocol for P-1. In conclusion, we demonstrated that G. ulmifolia and S. adstringens inhibited BHV-1 and P-1 replication, as well as, blocked the synthesis of viral antigens in infected cell cultures.

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Antiviral Effect of Guazuma ulmifolia and Stryphnodendron adstringens on Poliovirus and Bovine Herpesvirus https://t.co/tB1LCy0Dx0
https://t.co/v6VXpmsnN8 As fracções de extrato bruto (CE) e aquoso... https://t.co/JJqcznGbFX
Antiviral Effect of Guazuma ulmifolia and Stryphnodendron adstringens on Poliovirus and Bovine Herpesvirus https://t.co/VreXvvVYe3
https://t.co/v6VXpmsnN8 O poliovírus é um ARN de cadeia simples, um... https://t.co/oqaxEMbwca
https://t.co/v6VXpmsnN8 O poliovírus é um ARN de cadeia simples, um... https://t.co/pBWCjTWMLZ
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