NDLI: Antiviral activities of hydroxylated flavones on feline foamy viral proliferation

Content Provider	Springer Nature Link
Author	Lee, Ga Eun Kim, Jinsun Shin, Cha Gyun
Copyright Year	2017
Abstract	Many hydroxylated flavones are reported to have antibacterial, anticancer, or antiviral activities. In this study, eleven hydroxylated flavones including 3,3′,4′,5,7-pentahydroxyflavone (quercetin), three polymethoxyflavones, two polyethoxyflavones, two polypropoxyflavones, one butoxyflavone, and two benzoxyflavones were tested for antiviral activity using feline foamy virus. Most of the compounds tested showed that they did not have significant cytotoxic effect on the crandell-Ress feline kidney cells. However, four compounds, including quercetin, 5,3′-dihydroxy-3,7,4′-trimethoxyflavone, 5-hydroxy-3,7,3′,4′-tetramethoxyflavone, and 3,5,7,3′,4′-pentahydroxyflavone, showed a strong inhibitory effect on feline foamy virus (FFV) proliferation, by reducing viral production to 7–24% of that in the un-treated control when they were added to the cells at a final concentration of 10 μM. These results were supported by western blot detecting viral protein in the infected cell lysate. In further analysis, quercetin was observed to have a direct inhibitory effect on reverse transcriptase and integrase in vitro, which can explain the mechanism by which quercetin inhibits FFV proliferation. These preliminary results suggest that hydroxylated flavones such as quercetin, 5,3′-dihydroxy-3,7,4′-trimethoxyflavone, 5-hydroxy-3,7,3′,4′-tetramethoxyflavone, and 3,5,7,3′,4′-pentahydroxyflavone have strong antiretroviral activities.
Starting Page	419
Ending Page	425
Page Count	7
File Format	PDF
ISSN	24680834
Journal	Journal of the Korean Society for Applied Biological Chemistry
Volume Number	60
Issue Number	4
e-ISSN	24680842
Language	English
Publisher	Springer Netherlands
Publisher Date	2017-07-14
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Antiviral activity Applied Microbiology Biological Techniques Foamy virus Bioorganic Chemistry Hydroxylated flavones
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry, Genetics and Molecular Biology

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