The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Evasion of antibody neutralization in emerging severe acute respiratory syndrome coronaviruses
Open accessAbstract
Molecular characterization of the severe acute respiratory syndrome coronavirus has revealed genetic diversity among isolates. The spike (S) glycoprotein, the major target for vaccine and immune therapy, shows up to 17 substitutions in its 1,255-aa sequence; however, the biologic significance of these changes is unknown. Here, the functional effects of S mutations have been determined by analyzing their affinity for a viral receptor, human angiotensin-converting enzyme 2 (hACE-2), and their sensitivity to Ab neutralization with viral pseudotypes. Although minor differences among eight strains transmitted during human outbreaks in early 2003 were found, substantial functional changes were detected in S derived from a case in late 2003 from Guangdong province [S(GD03T0013)] and from two palm civets, S(SZ3) and S(SZ16). S(GD03T0013) depended less on the hACE-2 receptor and was markedly resistant to Ab inhibition. Unexpectedly, Abs that neutralized most human S glycoproteins enhanced entry mediated by the civet virus S glycoproteins. The mechanism of enhancement involved the interaction of Abs with conformational epitopes in the hACE-2-binding domain. Finally, improved immunogens and mAbs that minimize this complication have been defined. These data show that the entry of severe acute respiratory syndrome coronaviruses can be enhanced by Abs, and they underscore the need to address the evolving diversity of this newly emerged virus for vaccines and immune therapies.
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Coronavirus Pathogenesis and the Emerging Pathogen Severe Acute Respiratory Syndrome Coronavirus
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Severe acute respiratory syndrome coronavirus as an agent of emerging and reemerging infection
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Metadata
- Authors
- Yang, Z.-Y., Werner, H. C., Kong, W.-P., Leung, K., Traggiai, E., Lanzavecchia, A., & Nabel, G. J.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2005-01-10
- Volume
- 102
- Issue
- 3
- Pages
- 797-801
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1969773218
- Cited by
- 253
- References
- 25
- FWCI
- 14.61
- Type
- journal article
- Language
- en
- Open access
- green
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