Immune Response To Intranasal Influenza Vaccination

Summary

This research during the last decade has focused on the kinetics of the systemic and local immune response to parenteral influenza vaccine in humans. The investigators have shown that normally high numbers of influenza specific antibody secreting cells (ASC) are present in the nasal mucosa of healthy adults but upon parenteral vaccination the numbers remain stable. However, a rapid transient increase in specific ASC is observed in the tonsils and peripheral blood after parenteral vaccination. In the tonsils, this is associated with a significant decrease in both naïve/effector (CD45RA+) and memory (CD45RO+) CD4+ cells upon vaccination. In this study the investigators will extend our work to investigate the characteristics of influenza-specific T- and B-cells induced locally and systemically after intranasal vaccination in man.

Timeline

Start

2012-10-01

Primary completion

2025-12-31

Completion

2030-12-31

Publications

• Results Lartey S, Zhou F, Brokstad KA, Mohn KG, Slettevoll SA, Pathirana RD, Cox RJ. Live-Attenuated Influenza Vaccine Induces Tonsillar Follicular T Helper Cell Responses That Correlate With Antibody Induction. J Infect Dis. 2020 Jan 1;221(1):21-32. doi: 10.1093/infdis/jiz321.
• Results Islam S, Zhou F, Lartey S, Mohn KGI, Krammer F, Cox RJ, Brokstad KA. Functional immune response to influenza H1N1 in children and adults after live attenuated influenza virus vaccination. Scand J Immunol. 2019 Oct;90(4):e12801. doi: 10.1111/sji.12801. Epub 2019 Sep 2.
• Results Islam S, Mohn KG, Krammer F, Sanne M, Bredholt G, Jul-Larsen A, Tete SM, Zhou F, Brokstad KA, Cox RJ. Influenza A haemagglutinin specific IgG responses in children and adults after seasonal trivalent live attenuated influenza vaccination. Vaccine. 2017 Oct 9;35(42):5666-5673. doi: 10.1016/j.vaccine.2017.08.044. Epub 2017 Sep 9.
• Results Mohn KGI, Zhou F, Brokstad KA, Sridhar S, Cox RJ. Boosting of Cross-Reactive and Protection-Associated T Cells in Children After Live Attenuated Influenza Vaccination. J Infect Dis. 2017 May 15;215(10):1527-1535. doi: 10.1093/infdis/jix165.
• Results Manenti A, Tete SM, Mohn KG, Jul-Larsen A, Gianchecchi E, Montomoli E, Brokstad KA, Cox RJ. Comparative analysis of influenza A(H3N2) virus hemagglutinin specific IgG subclass and IgA responses in children and adults after influenza vaccination. Vaccine. 2017 Jan 3;35(1):191-198. doi: 10.1016/j.vaccine.2016.10.024. Epub 2016 Oct 24.
• Results Mohn KG, Brokstad KA, Pathirana RD, Bredholt G, Jul-Larsen A, Trieu MC, Lartey SL, Montomoli E, Tondel C, Aarstad HJ, Cox RJ. Live Attenuated Influenza Vaccine in Children Induces B-Cell Responses in Tonsils. J Infect Dis. 2016 Sep 1;214(5):722-31. doi: 10.1093/infdis/jiw230. Epub 2016 May 30.
• Results Panapasa JA, Cox RJ, Mohn KG, Aqrawi LA, Brokstad KA. The expression of B & T cell activation markers in children's tonsils following live attenuated influenza vaccine. Hum Vaccin Immunother. 2015;11(7):1663-72. doi: 10.1080/21645515.2015.1032486.
• Results Mohn KG, Bredholt G, Brokstad KA, Pathirana RD, Aarstad HJ, Tondel C, Cox RJ. Longevity of B-cell and T-cell responses after live attenuated influenza vaccination in children. J Infect Dis. 2015 May 15;211(10):1541-9. doi: 10.1093/infdis/jiu654. Epub 2014 Nov 25.
• Results Pidelaserra Marti G, Isdahl Mohn KG, Cox RJ, Brokstad KA. The influence of tonsillectomy on total serum antibody levels. Scand J Immunol. 2014 Nov;80(5):377-9. doi: 10.1111/sji.12213. No abstract available.

Drugs

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