A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs
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 togeth...
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doaj-ae4e9e1d2d7345468d5a162b4a9b1a102020-11-25T03:22:00ZengMDPI AGVaccines2076-393X2020-05-01822922910.3390/vaccines8020229A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in PigsSankar Renu0Ninoshkaly Feliciano-Ruiz1Fangjia Lu2Shristi Ghimire3Yi Han4Jennifer Schrock5Santosh Dhakal6Veerupaxagouda Patil7Steven Krakowka8Harm HogenEsch9Gourapura J. Renukaradhya10Food Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USADepartment of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAThe Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USADepartment of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USAFood Animal Health Research Program, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USAIntranasal 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.https://www.mdpi.com/2076-393X/8/2/229Nano-11swine influenza virusT and B cell peptidespoly(I:C)intranasal vaccinationmucosal immunity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Sankar Renu Ninoshkaly Feliciano-Ruiz Fangjia Lu Shristi Ghimire Yi Han Jennifer Schrock Santosh Dhakal Veerupaxagouda Patil Steven Krakowka Harm HogenEsch Gourapura J. Renukaradhya |
spellingShingle |
Sankar Renu Ninoshkaly Feliciano-Ruiz Fangjia Lu Shristi Ghimire Yi Han Jennifer Schrock Santosh Dhakal Veerupaxagouda Patil Steven Krakowka Harm HogenEsch Gourapura J. Renukaradhya A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs Vaccines Nano-11 swine influenza virus T and B cell peptides poly(I:C) intranasal vaccination mucosal immunity |
author_facet |
Sankar Renu Ninoshkaly Feliciano-Ruiz Fangjia Lu Shristi Ghimire Yi Han Jennifer Schrock Santosh Dhakal Veerupaxagouda Patil Steven Krakowka Harm HogenEsch Gourapura J. Renukaradhya |
author_sort |
Sankar Renu |
title |
A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs |
title_short |
A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs |
title_full |
A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs |
title_fullStr |
A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs |
title_full_unstemmed |
A Nanoparticle-Poly(I:C) Combination Adjuvant Enhances the Breadth of the Immune Response to Inactivated Influenza Virus Vaccine in Pigs |
title_sort |
nanoparticle-poly(i:c) combination adjuvant enhances the breadth of the immune response to inactivated influenza virus vaccine in pigs |
publisher |
MDPI AG |
series |
Vaccines |
issn |
2076-393X |
publishDate |
2020-05-01 |
description |
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. |
topic |
Nano-11 swine influenza virus T and B cell peptides poly(I:C) intranasal vaccination mucosal immunity |
url |
https://www.mdpi.com/2076-393X/8/2/229 |
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