2020
DOI: 10.1038/s41598-020-63998-2
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Intranasal immunization with outer membrane vesicle pertussis vaccine confers broad protection through mucosal IgA and Th17 responses

Abstract: A vaccine based on outer membrane vesicles of pertussis (omvpV) is protective in a mouse-challenge model and induces a broad antibody and mixed Th1/Th2/Th17 response against multiple antigens following subcutaneous immunization. However, this route did not result in mucosal immunity and did not prevent nasopharyngeal colonization. in this study, we explored the potential of intranasal immunization with omvpV. only intranasal immunization induced strong mucosal immune responses that encompasses enhanced pulmona… Show more

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Cited by 48 publications
(60 citation statements)
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References 54 publications
(87 reference statements)
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“…7). (58). Subcutaneous and IN vaccination with omvPV polarized a Th1/Th17 response, which is also seen with both natural infection and the whole cell vaccine administration (58)(59)(60).…”
Section: Discussionmentioning
confidence: 94%
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“…7). (58). Subcutaneous and IN vaccination with omvPV polarized a Th1/Th17 response, which is also seen with both natural infection and the whole cell vaccine administration (58)(59)(60).…”
Section: Discussionmentioning
confidence: 94%
“…(58). Subcutaneous and IN vaccination with omvPV polarized a Th1/Th17 response, which is also seen with both natural infection and the whole cell vaccine administration (58)(59)(60). A substantial number of studies highlight the correlation between a Th1/Th17 immune response and long-term protection (44,60,61).…”
Section: Discussionmentioning
confidence: 99%
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“…Spots were counted with an AID iSpot reader (Autoimmun Diagnostika, Strassberg, Germany) and indicated as antibody-secreting cells (ASC) per 5 × 10 5 cells. For analysis of memory B-cells, splenocytes were stimulated to induce differentiation into antibody-secreting cells as described previously [ 21 ]. The amounts of OMV, BrkA and Vag8-specific ASC were subsequently determined by using the same ELISpot method, only here 1 × 10 5 stimulated cells were added to the coated plates.…”
Section: Methodsmentioning
confidence: 99%
“…Advantages of OMV vaccines are that they contain a broad variety of antigens in their natural conformation, have the perfect size for uptake by most antigen presenting cells [ 16 ], and hold intrinsic adjuvants such as endotoxin, or lipo-polysaccharide (LPS), as well as other pathogen-associated molecular patterns [ 14 , 17 ]. Immunization with omvPV provides protection against B. pertussis colonization in the lungs of mice [ 18 , 19 , 20 , 21 ]. In contrast to the acPV-induced Th2 immunity, omvPV mainly induces systemic Th1/Th17 immunity, next to Th2 responses [ 19 , 20 , 22 ].…”
Section: Introductionmentioning
confidence: 99%