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- W1999511488 endingPage "e112351" @default.
- W1999511488 startingPage "e112351" @default.
- W1999511488 abstract "The Flaviviridae family includes several virus pathogens associated with human diseases worldwide. Within this family, Dengue virus is the most serious threat to public health, especially in tropical and sub-tropical regions of the world. Currently, there are no vaccines or specific antiviral drugs against Dengue virus or against most of the viruses of this family. Therefore, the development of vaccines and the discovery of therapeutic compounds against the medically most important flaviviruses remain a global public health priority. We previously showed that phospholipase A2 isolated from the venom of Crotalus durissus terrificus was able to inhibit Dengue virus and Yellow fever virus infection in Vero cells. Here, we present evidence that phospholipase A2 has a direct effect on Dengue virus particles, inducing a partial exposure of genomic RNA, which strongly suggests inhibition via the cleavage of glycerophospholipids at the virus lipid bilayer envelope. This cleavage might induce a disruption of the lipid bilayer that causes a destabilization of the E proteins on the virus surface, resulting in inactivation. We show by computational analysis that phospholipase A2 might gain access to the Dengue virus lipid bilayer through the pores found on each of the twenty 3-fold vertices of the E protein shell on the virus surface. In addition, phospholipase A2 is able to inactivate other enveloped viruses, highlighting its potential as a natural product lead for developing broad-spectrum antiviral drugs." @default.
- W1999511488 created "2016-06-24" @default.
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- W1999511488 date "2014-11-10" @default.
- W1999511488 modified "2023-10-13" @default.
- W1999511488 title "Phospholipase A2 Isolated from the Venom of Crotalus durissus terrificus Inactivates Dengue virus and Other Enveloped Viruses by Disrupting the Viral Envelope" @default.
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- W1999511488 doi "https://doi.org/10.1371/journal.pone.0112351" @default.
- W1999511488 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4226559" @default.
- W1999511488 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25383618" @default.
- W1999511488 hasPublicationYear "2014" @default.