ArticleMolecular biology reports2011
Enhanced protection against nasopharyngeal carriage of Streptococcus pneumoniae elicited by oral multiantigen DNA vaccines delivered in attenuated Salmonella typhimurium.
Article in Molecular biology reports, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 15 citations in OpenAlex.
- Disturbed microbiota-metabolites-immune interaction network is associated with olfactory dysfunction in patients with chronic rhinosinusitis.Frontiers in immunology · 2023Article
- Pneumococcal Surface Proteins as Virulence Factors, Immunogens, and Conserved Vaccine Targets.Frontiers in cellular and infection microbiology · 2022Review
- Development ofVaccines · 2014Article
- Protection against Escherichia coli O157:H7 challenge by immunization of mice with purified Tir proteins.Molecular biology reports · 2012Article
- TroA of Streptococcus suis is required for manganese acquisition and full virulence.Journal of bacteriology · 2011Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Developing carrier systems and choosing appropriate antigens are essential steps in improving the safety and efficacy of Streptococcus pneumoniae DNA vaccines, which have enhanced the mucosal protection against nasopharyngeal colonization. In this study, we reconstructed a Salmonella-based balanced-lethal host-eukaryotic vector system, which was used as carrier to orally deliver the Streptococcus pneumoniae multiantigen DNA vaccines encoding psaA (pneumococcal surface adhesion A) and pspA' (N-terminal of pneumococcal surface protein A) genes. The results showed that the multiantigen DNA vaccines using the new vector system as carrier afforded better protection than the vaccination with injected intramuscularly (i.m.) against Streptococcus pneumoniae D39 colonization infection in BALB/c mice models. This finding has associated with a high level of sIgA in the nasal mucosa as well as systemic IgG antibodies and a shift toward a Th1-mediated immune response. These studies have demonstrated the feasibility and advantage of using the new Salmonella-based balanced-lethal host-eukaryotic vector system as carrier to deliver S. pneumoniae DNA vaccines.
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Registered trials
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