Parra-Rojas C, Messling VV, Hernandez-Vargas EA. Adjuvanted influenza vaccine dynamics. Sci Rep. 2019 Jan 11;9(1):73
Adjuvanted influenza vaccines constitute a key element towards inducing neutralizing antibody responses in populations with reduced responsiveness, such as infants and elderly subjects, as well as in devising antigen-sparing strategies. In particular, squalene-containing adjuvants have been observed to induce enhanced antibody responses, as well as having an influence on cross-reactive immunity. To explore the effects of adjuvanted vaccine formulations on antibody response and their relation to protein-specific immunity, we propose different mathematical models of antibody production dynamics in response to influenza vaccination. Data from ferrets immunized with commercial H1N1pdm09 vaccine antigen alone or formulated with different adjuvants was instrumental to adjust model parameters. While the affinity maturation process complexity is abridged, the proposed model is able to recapitulate the essential features of the observed dynamics. Our numerical results suggest that there exists a qualitative shift in protein-specific antibody response, with enhanced production of antibodies targeting the NA protein in adjuvanted versus non-adjuvanted formulations, in conjunction with a protein-independent boost that is over one order of magnitude larger for squalene-containing adjuvants. Furthermore, simulations predict that vaccines formulated with squalene-containing adjuvants are able to induce sustained antibody titers in a robust way, with little impact of the time interval between immunizations.
See Also:
Latest articles in those days:
- The surveillance programme for avian influenza (AI) in Norwegian wildlife 2025 58 minute(s) ago
- The surveillance programme for avian influenza (AI) in poultry in Norway 2025 1 hours ago
- Emergence of Novel Reassortant H3N2 Avian Influenza Viruses in Southern China: Genetic Complexity and Pathogenicity in Chickens and Mice 2 hours ago
- Pathological evidence of neurotropism and oculotropism in wild black-headed gulls naturally infected with H5N1 high pathogenicity avian influenza 2 hours ago
- Birth cohort effects in adults associated with influenza A(H1N1)pdm09 vaccine effectiveness 14 hours ago
[Go Top] [Close Window]


