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Vaccination with influenza hemagglutinin-loaded ceramic nanoporous microneedle arrays induces protective immune responses

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Abstract
Microneedle arrays (MNAs) are a promising mean to administer vaccines. Without the need of highly trained personnel, MNAs can be applied to deliver vaccines into the dermis, which is well equipped to initiate potent immune responses. While vaccination using dissolving microneedle arrays has been extensively investigated, the use of solid nanoporous MNAs (npMNAs) to deliver vaccines remained largely unexplored. In this report we investigated whether npMNAs with an average pore size of 80 nm, can be used for influenza vaccination based on recombinant hemagglutinin (HA) protein of the 2009 pandemic H1N1 (pH1N1) virus. Fluorescently labeled HA loaded in the npMNAs was effectively delivered into the skin of mouse ears, as a result of a diffusion-based process. Compared to intramuscular immunization, intradermal HA vaccination of mice using npMNAs elicited high levels of HA antigen specific antibodies, with pH1N1 hemagglutination inhibition and neutralization activity. Moreover, mice vaccinated with pH1N1 HA loaded npMNAs were completely protected against a potentially lethal challenge with mouse adapted pH1N1 virus. These results illustrate that intradermal subunit vaccine immunization using npMNAs is a promising approach to facilitate effective vaccination.
Keywords
Influenza, Hemagglutinin, Vaccination, Nanoporous microneedle array, TOPICAL IMIQUIMOD, DOUBLE-BLIND, IMMUNOGENICITY, SAFETY

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Citation

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MLA
Schepens, Bert et al. “Vaccination with Influenza Hemagglutinin-loaded Ceramic Nanoporous Microneedle Arrays Induces Protective Immune Responses.” EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS 136 (2019): 259–266. Print.
APA
Schepens, B., Vos, P. J., Saelens, X., & van der Maaden, K. (2019). Vaccination with influenza hemagglutinin-loaded ceramic nanoporous microneedle arrays induces protective immune responses. EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS, 136, 259–266.
Chicago author-date
Schepens, Bert, Pieter Jan Vos, Xavier Saelens, and Koen van der Maaden. 2019. “Vaccination with Influenza Hemagglutinin-loaded Ceramic Nanoporous Microneedle Arrays Induces Protective Immune Responses.” European Journal of Pharmaceutics and Biopharmaceutics 136: 259–266.
Chicago author-date (all authors)
Schepens, Bert, Pieter Jan Vos, Xavier Saelens, and Koen van der Maaden. 2019. “Vaccination with Influenza Hemagglutinin-loaded Ceramic Nanoporous Microneedle Arrays Induces Protective Immune Responses.” European Journal of Pharmaceutics and Biopharmaceutics 136: 259–266.
Vancouver
1.
Schepens B, Vos PJ, Saelens X, van der Maaden K. Vaccination with influenza hemagglutinin-loaded ceramic nanoporous microneedle arrays induces protective immune responses. EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS. 2019;136:259–66.
IEEE
[1]
B. Schepens, P. J. Vos, X. Saelens, and K. van der Maaden, “Vaccination with influenza hemagglutinin-loaded ceramic nanoporous microneedle arrays induces protective immune responses,” EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS, vol. 136, pp. 259–266, 2019.
@article{8612005,
  abstract     = {Microneedle arrays (MNAs) are a promising mean to administer vaccines. Without the need of highly trained personnel, MNAs can be applied to deliver vaccines into the dermis, which is well equipped to initiate potent immune responses. While vaccination using dissolving microneedle arrays has been extensively investigated, the use of solid nanoporous MNAs (npMNAs) to deliver vaccines remained largely unexplored. In this report we investigated whether npMNAs with an average pore size of 80 nm, can be used for influenza vaccination based on recombinant hemagglutinin (HA) protein of the 2009 pandemic H1N1 (pH1N1) virus. Fluorescently labeled HA loaded in the npMNAs was effectively delivered into the skin of mouse ears, as a result of a diffusion-based process. Compared to intramuscular immunization, intradermal HA vaccination of mice using npMNAs elicited high levels of HA antigen specific antibodies, with pH1N1 hemagglutination inhibition and neutralization activity. Moreover, mice vaccinated with pH1N1 HA loaded npMNAs were completely protected against a potentially lethal challenge with mouse adapted pH1N1 virus. These results illustrate that intradermal subunit vaccine immunization using npMNAs is a promising approach to facilitate effective vaccination.},
  author       = {Schepens, Bert and Vos, Pieter Jan and Saelens, Xavier and van der Maaden, Koen},
  issn         = {0939-6411},
  journal      = {EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS},
  keywords     = {Influenza,Hemagglutinin,Vaccination,Nanoporous microneedle array,TOPICAL IMIQUIMOD,DOUBLE-BLIND,IMMUNOGENICITY,SAFETY},
  language     = {eng},
  pages        = {259--266},
  title        = {Vaccination with influenza hemagglutinin-loaded ceramic nanoporous microneedle arrays induces protective immune responses},
  url          = {http://dx.doi.org/10.1016/j.ejpb.2019.02.002},
  volume       = {136},
  year         = {2019},
}

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