Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1

VSA-1 is a semisynthetic saponin adjuvant prepared from naturally occurring Momordica saponin and capable of stimulating antigen-specific humoral and cellular immune responses. Its immunostimulating activity in enhancing the immune responses induced by the clinical glycoconjugate pneumococcal vaccin...

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Main Authors: Hyunjung Kim, Jigui Yu, Di Bai, Moon H. Nahm, Pengfei Wang
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-12-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2022.1079047/full
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author Hyunjung Kim
Jigui Yu
Di Bai
Moon H. Nahm
Moon H. Nahm
Pengfei Wang
author_facet Hyunjung Kim
Jigui Yu
Di Bai
Moon H. Nahm
Moon H. Nahm
Pengfei Wang
author_sort Hyunjung Kim
collection DOAJ
description VSA-1 is a semisynthetic saponin adjuvant prepared from naturally occurring Momordica saponin and capable of stimulating antigen-specific humoral and cellular immune responses. Its immunostimulating activity in enhancing the immune responses induced by the clinical glycoconjugate pneumococcal vaccine PCV13 is compared with QS-21 in female BALB/c mice. Both VSA-1 and QS-21 boosted IgG and opsonic antibodies titers against seven selected serotypes, including serotypes 3, 14, and 19A that are involved in most PCV13 breakthroughs. Since VSA-1 is much more accessible and of lower toxicity than QS-21, it can be a practical saponin immunostimulant to be included in a new glycoconjugate pneumococcal vaccine formulation.
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spelling doaj.art-f61a608f3df548149073c2bf8fb60b952022-12-22T04:19:28ZengFrontiers Media S.A.Frontiers in Immunology1664-32242022-12-011310.3389/fimmu.2022.10790471079047Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1Hyunjung Kim0Jigui Yu1Di Bai2Moon H. Nahm3Moon H. Nahm4Pengfei Wang5Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL, United StatesDepartment of Medicine, University of Alabama at Birmingham, Birmingham, AL, United StatesDepartment of Chemistry, University of Alabama at Birmingham, Birmingham, AL, United StatesDepartment of Medicine, University of Alabama at Birmingham, Birmingham, AL, United StatesWorld Health Organization (WHO) Pneumococcal Serology Reference Laboratory, University of Alabama at Birmingham, Birmingham, AL, United StatesDepartment of Chemistry, University of Alabama at Birmingham, Birmingham, AL, United StatesVSA-1 is a semisynthetic saponin adjuvant prepared from naturally occurring Momordica saponin and capable of stimulating antigen-specific humoral and cellular immune responses. Its immunostimulating activity in enhancing the immune responses induced by the clinical glycoconjugate pneumococcal vaccine PCV13 is compared with QS-21 in female BALB/c mice. Both VSA-1 and QS-21 boosted IgG and opsonic antibodies titers against seven selected serotypes, including serotypes 3, 14, and 19A that are involved in most PCV13 breakthroughs. Since VSA-1 is much more accessible and of lower toxicity than QS-21, it can be a practical saponin immunostimulant to be included in a new glycoconjugate pneumococcal vaccine formulation.https://www.frontiersin.org/articles/10.3389/fimmu.2022.1079047/fullMomordica saponinadjuvantimmunostimulantpneumococcal vaccineVSA-1
spellingShingle Hyunjung Kim
Jigui Yu
Di Bai
Moon H. Nahm
Moon H. Nahm
Pengfei Wang
Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1
Frontiers in Immunology
Momordica saponin
adjuvant
immunostimulant
pneumococcal vaccine
VSA-1
title Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1
title_full Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1
title_fullStr Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1
title_full_unstemmed Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1
title_short Potentiating pneumococcal glycoconjugate vaccine PCV13 with saponin adjuvant VSA-1
title_sort potentiating pneumococcal glycoconjugate vaccine pcv13 with saponin adjuvant vsa 1
topic Momordica saponin
adjuvant
immunostimulant
pneumococcal vaccine
VSA-1
url https://www.frontiersin.org/articles/10.3389/fimmu.2022.1079047/full
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