Immunity at the Gate of Entrance; Vaccines against Respiratory Viruses such as Influenza and RSV

A special issue of Vaccines (ISSN 2076-393X). This special issue belongs to the section "Influenza Virus Vaccines".

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 4489

Special Issue Editor


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Guest Editor
Department for Immune Mechanisms, Centre for Infectious Disease Control, National Institute of Public Health and the Environment (RIVM), Bilthoven, The Netherlands
Interests: influenza; resident t-cells; universal vaccines; animal models; pathology
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Special Issue Information

Dear Colleagues,

Most vaccines induce systemic immunity through intramuscular administration. This route of vaccination disregards a very potent part of the immune system—local adaptive immunity. There are numerous reports that show that mucosal antibodies (IgA), resident memory T-cells (Trm), and memory B-cells in mucosal associated lymphoid tissue play an important role in protection against respiratory viruses at the gate of entrance. Despite this, a limited amount of locally administered respiratory vaccines are available.

Challenges include adjuvation, formulation, and induction of long-lasting immunity. For influenza in particular, a broadly reactive immunity is a challenge, and Trm and local stem antibodies may be an answer. For both RSV and influenza immunity, longevity is a holy grail. Therefore, research that provides insight into local immune parameters that correlate with protection against respiratory viruses or that are shown to be long-lasting is welcomed. Immune induction may be through vaccination, using adjuvants and formulation techniques to steer the immune response or by immune transfer techniques, etc. when this leads to a better understanding of potent vaccine targets. 

Combining insights and strategies developed for different respiratory viruses into one Special Issue encourages cross-pollination of the different research fields and would advance the development of locally administered respiratory vaccines on the whole.

Dr. Jorgen De Jonge
Guest Editor

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Keywords

  • mucosal immunity
  • resident T-cells
  • influenza
  • RSV
  • universal
  • vaccines
  • protection
  • respiratory viruses

Published Papers (1 paper)

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Research

16 pages, 4424 KiB  
Article
A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs
by Sankar Renu, Ninoshkaly Feliciano-Ruiz, Fangjia Lu, Shristi Ghimire, Yi Han, Jennifer Schrock, Santosh Dhakal, Veerupaxagouda Patil, Steven Krakowka, Harm HogenEsch and Gourapura J. Renukaradhya
Vaccines 2020, 8(2), 229; https://doi.org/10.3390/vaccines8020229 - 18 May 2020
Cited by 26 | Viewed by 4235
Abstract
Intranasal vaccination elicits secretory IgA (SIgA) antibodies in the airways, which is required for cross-protection against influenza. To enhance the breadth of immunity induced by a killed swine influenza virus antigen (KAg) or conserved T cell and B cell peptides, we adsorbed the [...] Read more.
Intranasal vaccination elicits secretory IgA (SIgA) antibodies in the airways, which is required for cross-protection against influenza. To enhance the breadth of immunity induced by a killed swine influenza virus antigen (KAg) or conserved T cell and B cell peptides, we adsorbed the antigens together with the TLR3 agonist poly(I:C) electrostatically onto cationic alpha-D-glucan nanoparticles (Nano-11) resulting in Nano-11-KAg-poly(I:C) and Nano-11-peptides-poly(I:C) vaccines. In vitro, increased TNF-α and IL-1ß cytokine mRNA expression was observed in Nano-11-KAg-poly(I:C)-treated porcine monocyte-derived dendritic cells. Nano-11-KAg-poly(I:C), but not Nano-11-peptides-poly(I:C), delivered intranasally in pigs induced high levels of cross-reactive virus-specific SIgA antibodies secretion in the nasal passage and lungs compared to a multivalent commercial influenza virus vaccine administered intramuscularly. The commercial and Nano-11-KAg-poly(I:C) vaccinations increased the frequency of IFNγ secreting T cells. The poly(I:C) adjuvanted Nano-11-based vaccines increased various cytokine mRNA expressions in lymph nodes compared to the commercial vaccine. In addition, Nano-11-KAg-poly(I:C) vaccine elicited high levels of virus neutralizing antibodies in bronchoalveolar lavage fluid. Microscopic lung lesions and challenge virus load were partially reduced in poly(I:C) adjuvanted Nano-11 and commercial influenza vaccinates. In conclusion, compared to our earlier study with Nano-11-KAg vaccine, addition of poly(I:C) to the formulation improved cross-protective antibody and cytokine response. Full article
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