A novel vaccine adjuvant based on straight polyacrylate potentiates vaccine-induced humoral and cellular immunity in cynomolgus macaques

Adjuvants are central to the efficacy of subunit vaccines. Although several new adjuvants have been approved in human vaccines over the last decade, the panel of adjuvants in licensed human vaccines remains small. There is still a need for novel adjuvants that can be safely used in humans, easy to s...

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Main Authors: Vincent Pavot (Author), Hélène Bisceglia (Author), Florine Guillaume (Author), Sandrine Montano (Author), Linong Zhang (Author), Florence Boudet (Author), Jean Haensler (Author)
Format: Book
Published: Taylor & Francis Group, 2021-07-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Vincent Pavot  |e author 
700 1 0 |a Hélène Bisceglia  |e author 
700 1 0 |a Florine Guillaume  |e author 
700 1 0 |a Sandrine Montano  |e author 
700 1 0 |a Linong Zhang  |e author 
700 1 0 |a Florence Boudet  |e author 
700 1 0 |a Jean Haensler  |e author 
245 0 0 |a A novel vaccine adjuvant based on straight polyacrylate potentiates vaccine-induced humoral and cellular immunity in cynomolgus macaques 
260 |b Taylor & Francis Group,   |c 2021-07-01T00:00:00Z. 
500 |a 2164-5515 
500 |a 2164-554X 
500 |a 10.1080/21645515.2020.1855956 
520 |a Adjuvants are central to the efficacy of subunit vaccines. Although several new adjuvants have been approved in human vaccines over the last decade, the panel of adjuvants in licensed human vaccines remains small. There is still a need for novel adjuvants that can be safely used in humans, easy to source and to formulate with a wide range of antigens and would be broadly applicable to a wide range of vaccines. In this article, using the Respiratory Syncytial Virus (RSV) nanoparticulate prefusion F model antigen developed by Sanofi, we demonstrate in the macaque model that the polyacrylate (PAA)-based adjuvant SPA09 is well tolerated and increases vaccine antigen-specific humoral immunity (sustained neutralizing antibodies, memory B cells and mucosal immunity) and elicits strong TH1-type responses (based on IFNγ and IL-2 ELISpots) in a dose-dependent manner. These data warrant further development of the SPA09 adjuvant for evaluation in clinical trials. 
546 |a EN 
690 |a adjuvant 
690 |a humoral immunity 
690 |a memory b cells 
690 |a cell-mediated immunity 
690 |a mucosal immunity 
690 |a Immunologic diseases. Allergy 
690 |a RC581-607 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Human Vaccines & Immunotherapeutics, Vol 17, Iss 7, Pp 2336-2348 (2021) 
787 0 |n http://dx.doi.org/10.1080/21645515.2020.1855956 
787 0 |n https://doaj.org/toc/2164-5515 
787 0 |n https://doaj.org/toc/2164-554X 
856 4 1 |u https://doaj.org/article/459a2f3556c34dca9f9bd86f75c34c0c  |z Connect to this object online.