The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Broad-spectrum non-toxic antiviral nanoparticles with a virucidal inhibition mechanism
Open accessAbstract
Viral infections kill millions yearly. Available antiviral drugs are virus-specific and active against a limited panel of human pathogens. There are broad-spectrum substances that prevent the first step of virus-cell interaction by mimicking heparan sulfate proteoglycans (HSPG), the highly conserved target of viral attachment ligands (VALs). The reversible binding mechanism prevents their use as a drug, because, upon dilution, the inhibition is lost. Known VALs are made of closely packed repeating units, but the aforementioned substances are able to bind only a few of them. We designed antiviral nanoparticles with long and flexible linkers mimicking HSPG, allowing for effective viral association with a binding that we simulate to be strong and multivalent to the VAL repeating units, generating forces (∼190 pN) that eventually lead to irreversible viral deformation. Virucidal assays, electron microscopy images, and molecular dynamics simulations support the proposed mechanism. These particles show no cytotoxicity, and in vitro nanomolar irreversible activity against herpes simplex virus (HSV), human papilloma virus, respiratory syncytial virus (RSV), dengue and lenti virus. They are active ex vivo in human cervicovaginal histocultures infected by HSV-2 and in vivo in mice infected with RSV.
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Metadata
- Authors
- Cagno, V., Andreozzi, P., D’Alicarnasso, M., Jacob Silva, P., Mueller, M., Galloux, M., Le Goffic, R., Jones, S. T., Vallino, M., Hodek, J., Weber, J., Sen, S., Janeček, E.-R., Bekdemir, A., Sanavio, B., Martinelli, C., Donalisio, M., Rameix Welti, M.-A., Eleouet, J.-F., Han, Y., Kaiser, L., Vukovic, L., Tapparel, C., Král, P., Krol, S., Lembo, D., & Stellacci, F.
- Venue
- Nature Materials
- Published
- 2017-12-18
- Volume
- 17
- Issue
- 2
- Pages
- 195-203
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W2779102422
- Cited by
- 428
- References
- 33
- FWCI
- 10.14
- Type
- journal article
- Language
- en
- Open access
- green
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- Cagno, V., Andreozzi, P., D’Alicarnasso, M., Jacob Silva, P., Mueller, M., Galloux, M., Le Goffic, R., Jones, S. T., Vallino, M., Hodek, J., Weber, J., Sen, S., Janeček, E.-R., Bekdemir, A., Sanavio, B., Martinelli, C., Donalisio, M., Rameix Welti, M.-A., Eleouet, J.-F., . . . Stellacci, F. (2018). Broad-spectrum non-toxic antiviral nanoparticles with a virucidal inhibition mechanism. Nature Materials. https://doi.org/10.1038/nmat5053
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
