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Type: Artigo de periódico
Title: Efficacy of Brazilian Propolis against Herpes Simplex Virus Type 1 Infection in Mice and Their Modes of Antiherpetic Efficacies
Author: Shimizu, T
Takeshita, Y
Takamori, Y
Kai, H
Sawamura, R
Yoshida, H
Watanabe, W
Tsutsumi, A
Park, YK
Yasukawa, K
Matsuno, K
Shiraki, K
Kurokawa, M
Abstract: Ethanol extracts (AF-06, 07, and 08, 10 mg/kg) of Brazilian propolis were administered orally to cutaneously herpes simplex virus type 1 (HSV-1)-infected mice three times daily on days 0 to 6 after infection to evaluate their efficacies against HSV-1 infection and significantly limited development of herpetic skin lesions. AF-07 and 08 significantly reduced virus titers in brain and/or skin on day 4 without toxicity, but AF-08 had no anti-HSV-1 activity in vitro. AF-06 and 08 significantly enhanced delayed-type hypersensitivity (DTH) to inactivated HSV-1 antigen in infected mice. Oral AF-08-administration significantly augmented interferon (IFN)-gamma production by HSV-1 antigen from splenocytes of HSV-1-infected mice, while direct exposure of splenocytes of infected mice to AF-06 significantly elevated IFN-gamma production in vitro. Thus, AF-08 might have components that are active in vivo even after oral administration and those of AF-06 might be active only in vitro. Because DTH is a major host defense for intradermal HSV-1 infection, augmentation of DTH response by AF-06 or 08, directly or indirectly, respectively, may contribute to their efficacies against HSV-1 infection. In addition, AF-06 and 07 possibly contain anti-HSV-1 components their efficacies. Such biological activities of Brazilian propolis may be useful to analyze its pharmacological actions.
Country: EUA
Editor: Hindawi Publishing Corporation
Citation: Evidence-based Complementary And Alternative Medicine. Hindawi Publishing Corporation, 2011.
Rights: aberto
Identifier DOI: 10.1155/2011/976196
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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