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A novel adjuvanted ...
A novel adjuvanted capsule based strategy for oral vaccination against infectious diarrhoeal pathogens
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Davitt, C. J. H. (författare)
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McNeela, E. A. (författare)
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Longet, S. (författare)
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- Tobias, Joshua, 1969 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi,Institute of Biomedicine, Department of Microbiology and Immunology
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Aversa, V. (författare)
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McEntee, C. P. (författare)
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Rosa, M. (författare)
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Coulter, I. S. (författare)
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- Holmgren, Jan, 1944 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi,Institute of Biomedicine, Department of Microbiology and Immunology
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Lavelle, E. C. (författare)
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: Journal of Controlled Release. - : Elsevier BV. - 0168-3659. ; 233, s. 162-173
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Diarrhoeal infections are a major cause of morbidity and mortality with enterotoxigenic Escherichia coli (ETEC) and cholera imposing a significant global burden. There is currently no licensed vaccine for ETEC. Development of new nonliving oral vaccines has proven difficult due to the physicochemical and immunological challenges associated with the oral route. This demands innovative delivery solutions to protect antigens, control their release and build in immune-stimulatory activity. We describe the Single Multiple Pill (R) (SmPill (R)) vaccine formulation which combines the benefits of enteric polymer coating to protect against low gastric pH, a dispersed phase to control release and aid the solubility of non-polar components and an optimized combination of adjuvant and antigen to promote mucosal immunity. We demonstrate the effectiveness of this system with whole cell killed E. coli overexpressing colonization factor antigen I (CFA/I), JT-49. Alpha-galactosylceramide was identified as a potent adjuvant within SmPill (R) that enhanced the immunogenicity of JT-49. The bacteria associated with the dispersed phase were retained within the capsules at gastric pH but released at intestinal pH. Vaccination with an optimized SmPill (R) formulation promoted CFA/I-specific immunoglobulin A (IgA) responses in the intestinal mucosa in addition to serum IgG and a solubilized adjuvant was indispensable for efficacy.
Ämnesord
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Nyckelord
- Vaccine
- Oral delivery
- Adjuvant
- Traveller's diarrhoea
- Enteric
- Capsule
- enterotoxigenic escherichia-coli
- vibrio-cholerae
- etec vaccine
- b-subunit
- developing-countries
- colonization factors
- antibody-responses
- enteric infections
- immune-responses
- mucosal
- vaccines
- Chemistry
- Pharmacology & Pharmacy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Davitt, C. J. H.
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McNeela, E. A.
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Longet, S.
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Tobias, Joshua, ...
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Aversa, V.
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McEntee, C. P.
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visa fler...
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Rosa, M.
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Coulter, I. S.
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Holmgren, Jan, 1 ...
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Lavelle, E. C.
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Biologi
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och Mikrobiologi
- Artiklar i publikationen
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Journal of Contr ...
- Av lärosätet
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Göteborgs universitet