Polyvalent DNA vaccines expressing HA antigens of H5N1 influenza viruses with an optimized leader sequence elicit cross-protective antibody responses
Highly pathogenic avian influenza A (HPAI) H5N1 viruses are circulating among poultry populations in parts of Asia, Africa, and the Middle East, and have caused human infections with a high mortality rate. H5 subtype hemagglutinin (HA) has evolved into phylogenetically distinct clades and subclades based on viruses isolated from various avian species. Since 1997, humans have been infected by HPAI H5N1 viruses from several clades. It is, therefore, important to develop strategies to produce protective antibody responses against H5N1 viruses from multiple clades or antigenic groups. In the current study, we optimized the signal peptide design of DNA vaccines expressing HA antigens from H5N1 viruses. Cross reactivity analysis using sera from immunized rabbits showed that antibody responses elicited by a polyvalent formulation, including HA antigens from different clades, was able to elicit broad protective antibody responses against multiple key representative H5N1 viruses across different clades. Data presented in this report support the development of a polyvalent DNA vaccine strategy against the threat of a potential H5N1 influenza pandemic.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2011 |
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| Erschienen: |
2011 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
PloS one - 6(2011), 12 vom: 01., Seite e28757 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Shixia [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 23.04.2012 Date Revised 05.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1371/journal.pone.0028757 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM21419258X |
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| 100 | 1 | |a Wang, Shixia |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Polyvalent DNA vaccines expressing HA antigens of H5N1 influenza viruses with an optimized leader sequence elicit cross-protective antibody responses |
| 264 | 1 | |c 2011 | |
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| 500 | |a Date Completed 23.04.2012 | ||
| 500 | |a Date Revised 05.11.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Highly pathogenic avian influenza A (HPAI) H5N1 viruses are circulating among poultry populations in parts of Asia, Africa, and the Middle East, and have caused human infections with a high mortality rate. H5 subtype hemagglutinin (HA) has evolved into phylogenetically distinct clades and subclades based on viruses isolated from various avian species. Since 1997, humans have been infected by HPAI H5N1 viruses from several clades. It is, therefore, important to develop strategies to produce protective antibody responses against H5N1 viruses from multiple clades or antigenic groups. In the current study, we optimized the signal peptide design of DNA vaccines expressing HA antigens from H5N1 viruses. Cross reactivity analysis using sera from immunized rabbits showed that antibody responses elicited by a polyvalent formulation, including HA antigens from different clades, was able to elicit broad protective antibody responses against multiple key representative H5N1 viruses across different clades. Data presented in this report support the development of a polyvalent DNA vaccine strategy against the threat of a potential H5N1 influenza pandemic | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Antibodies, Viral |2 NLM | |
| 650 | 7 | |a Antigens, Viral |2 NLM | |
| 650 | 7 | |a Hemagglutinin Glycoproteins, Influenza Virus |2 NLM | |
| 650 | 7 | |a Protein Sorting Signals |2 NLM | |
| 650 | 7 | |a Vaccines, DNA |2 NLM | |
| 700 | 1 | |a Hackett, Anthony |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Chunhua |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Parker, Chris |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, An |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Wu-Chun |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Zuhu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Shan |e verfasserin |4 aut | |
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