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Malburet C, Leclercq L, Cotte JF, Thiebaud J, Marco S, Nicolaï MC, Cottet H. Antigen-Adjuvant Interactions in Vaccines by Taylor Dispersion Analysis: Size Characterization and Binding Parameters. Anal Chem 2021; 93:6508-6515. [PMID: 33861925 DOI: 10.1021/acs.analchem.1c00420] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Vaccine adjuvants are immunostimulatory substances used to improve and modulate the immune response induced by antigens. A better understanding of the antigen-adjuvant interactions is necessary to develop future effective vaccine. In this study, Taylor dispersion analysis (TDA) was successfully implemented to characterize the interactions between a polymeric adjuvant (poly(acrylic acid), SPA09) and a vaccine antigen in development for the treatment of Staphylococcus aureus. TDA allowed one to rapidly determine both (i) the size of the antigen-adjuvant complexes under physiological conditions and (ii) the percentage of free antigen in the adjuvant/antigen mixture at equilibrium and finally get the interaction parameters (stoichiometry and binding constant). The complex sizes obtained by TDA were compared to the results obtained by transmission electron microscopy, and the binding parameters were compared to results previously obtained by frontal analysis continuous capillary electrophoresis.
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Affiliation(s)
- Camille Malburet
- IBMM, University of Montpellier, CNRS, ENSCM, Place Eugène Bataillon, 34095 Montpellier, France.,Sanofi Pasteur, Analytical Sciences, 1541 Avenue Marcel Mérieux, 69280 Marcy l'Etoile, France
| | - Laurent Leclercq
- IBMM, University of Montpellier, CNRS, ENSCM, Place Eugène Bataillon, 34095 Montpellier, France
| | - Jean-François Cotte
- Sanofi Pasteur, Analytical Sciences, 1541 Avenue Marcel Mérieux, 69280 Marcy l'Etoile, France
| | - Jérôme Thiebaud
- Sanofi Pasteur, Analytical Sciences, 1541 Avenue Marcel Mérieux, 69280 Marcy l'Etoile, France
| | - Sergio Marco
- Sanofi Pasteur, Analytical Sciences, 1541 Avenue Marcel Mérieux, 69280 Marcy l'Etoile, France
| | - Marie-Claire Nicolaï
- Sanofi Pasteur, Analytical Sciences, 1541 Avenue Marcel Mérieux, 69280 Marcy l'Etoile, France
| | - Hervé Cottet
- IBMM, University of Montpellier, CNRS, ENSCM, Place Eugène Bataillon, 34095 Montpellier, France
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Koff WC, Burton DR, Johnson PR, Walker BD, King CR, Nabel GJ, Ahmed R, Bhan MK, Plotkin SA. Accelerating next-generation vaccine development for global disease prevention. Science 2013; 340:1232910. [PMID: 23723240 DOI: 10.1126/science.1232910] [Citation(s) in RCA: 203] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Vaccines are among the greatest successes in the history of public health. However, past strategies for vaccine development are unlikely to succeed in the future against major global diseases such as AIDS, tuberculosis, and malaria. For such diseases, the correlates of protection are poorly defined and the pathogens evade immune detection and/or exhibit extensive genetic variability. Recent advances have heralded in a new era of vaccine discovery. However, translation of these advances into vaccines remains impeded by lack of understanding of key vaccinology principles in humans. We review these advances toward vaccine discovery and suggest that for accelerating successful vaccine development, new human immunology-based clinical research initiatives be implemented with the goal of elucidating and more effectively generating vaccine-induced protective immune responses.
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Affiliation(s)
- Wayne C Koff
- International AIDS Vaccine Initiative (IAVI), New York, NY 10004, USA.
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