In vitro and in vivo antiherpetic effects of (1 R ,2 R )-1-(5′-methylful-3′-yl)propane-1,2,3-triol
Journal of natural medicines(2016)
Abstract
In this study, we demonstrated the in vitro and in vivo antiherpetic activities of a stable furan derivative, (1 R ,2 R )-1-(5′-methylful-3′-yl)propane-1,2,3-triol (MFPT), which had originally been isolated from Streptomyces sp. strain FV60. In the present study, we synthesized MFPT from (5-methylfuran-3-yl)methanol in 6 steps for use in the experiments. MFPT showed potent in vitro antiviral activities against two acyclovir (ACV)-sensitive (KOS and HF) strains and an ACV-resistant (A4-3) strain of herpes simplex virus type 1 (HSV-1) and an ACV-sensitive HSV type 2 (HSV-2) UW 268 strain, their selectivity indices ranging from 310 to 530. By intravaginal application of MFPT to mice, the virus yields decreased dose-dependently against the three strains of HSV-1 and HSV-2. When MFPT was applied at a dose of 1.0 mg/day, the lesion scores, as clinical signs manifested by viral infection, were extensively suppressed in HSV-1-infected mice, whereas the lesion scores in HSV-2-infected mice were not markedly decreased. Interestingly, MFPT exerted an inhibitory effect against ACV-resistant HSV-1 in mice to a similar degree as in ACV-sensitive HSV-1-infected mice. Therefore, the compound might have potential for developing a topical antiviral agent that could be also applied to the infections caused by ACV-resistant viruses.
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Key words
(1R,2R)-1-(5′-methylful-3′-yl)propane-1,2,3-triol (MFPT),Antiherpetic activity,Herpes simplex virus type 1,Herpes simplex virus type 2,Intravaginal application
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