Inactivated whole virus particle vaccine with potent immunogenicity and limited IL-6 induction is ideal for influenza.
Vaccine
; 37(15): 2158-2166, 2019 04 03.
Article
en En
| MEDLINE
| ID: mdl-30857932
In contrast to current ether- or detergent-disrupted "split" vaccines (SVs) for influenza, inactivated whole influenza virus particle vaccines (WPVs) retain the original virus structure and components and as such may confer similar immunity to natural infection. In a collaboration between academia and industry, the potential of WPV as a new seasonal influenza vaccine was investigated. Each of the four seasonal influenza vaccine manufacturers in Japan prepared WPVs and SVs from the same batches of purified influenza virus. Both mice and monkeys vaccinated with the WPVs exhibited superior immune responses to those vaccinated with the corresponding SVs. Vaccination with A/California/07/2009 (H1N1) WPV enabled mice to survive a lethal challenge dose of homologous virus whereas those vaccinated with SV succumbed to infection within 6â¯days. Furthermore, mice vaccinated with WPV induced substantial numbers of multifunctional CD8+ T cells, important for control of antigenically drifted influenza virus strains. In addition, cytokines and chemokines were detected at early time points in the sera of mice vaccinated with WPV but not in those animals vaccinated with SV. These results indicate that WPVs induce enhanced innate and adaptive immune responses compared to equivalent doses of SVs. Notably, WPV at one fifth of the dose of SV was able to induce potent immunity with limited production of IL-6, one of the pyrogenic cytokines. We thus propose that WPVs with balanced immunogenicity and safety may set a new global standard for seasonal influenza vaccines.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Virión
/
Vacunas contra la Influenza
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Interleucina-6
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Infecciones por Orthomyxoviridae
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Anticuerpos Antivirales
Límite:
Animals
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Female
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Humans
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Male
País/Región como asunto:
Asia
Idioma:
En
Revista:
Vaccine
Año:
2019
Tipo del documento:
Article
Pais de publicación:
Países Bajos