ArticleAdvanced biomedical research2015
Evaluation of cellular responses for a chimeric HBsAg-HCV core DNA vaccine in BALB/c mice.
Article in Advanced biomedical research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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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.
The trial behind it
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Hepatitis C virus DNA vaccines: a systematic review.Virology journal · 2021Pooled it
- Exploring T-Cell Immunity to Hepatitis C Virus: Insights from Different Vaccine and Antigen Presentation Strategies.Vaccines · 2024Review
- Improvement of cytomegalovirus pp65 DNA vaccine efficacy by co-administration of siRNAs targeting BAK and BAX.Experimental and therapeutic medicine · 2017Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFusion of Hepatitis B virus surface antigen (HBsAg) to a DNA construct might be considered as a strategy to enhance cellular and cytotoxic T-lymphocytes (CTL) responses of a Hepatitis C Virus core protein (HCVcp)-based DNA vaccine comparable to that of adjuvanted protein (subunit) immunization. MATERIALS AND
methodspCHCORE vector harboring coding sequence of HBsAg and HCVcp (amino acids 2-120) in tandem within the pCDNA3.1 backbone was constructed. The corresponding recombinant HCVcp was also expressed and purified in Escherichia coli. Mice were immunized either by adjuvanted HCVcp (pluronic acid + protein) or by pCHCORE vector primed/protein boosted immunization regimen. The cellular immune responses (proliferation, In vivo CTL assay and IFN-γ/IL-4 ELISpot) against a strong and dominant H2-d restricted, CD8(+)-epitopic peptide (C39) (core 39-48; RRGPRLGVRA) of HCVcp were compared in immunized animals.
resultProper expression of the fused protein by pCHCORE in transiently transfected HEK 293T cells and in the expected size (around 50 kDa) was confirmed by western blotting. The immunization results indicated that the pCHCORE shifted the immune responses pathway to Th1 by enhancing the IFN-γ cytokine level much higher than protein immunization while the proliferative and CTL responses were comparable (or slightly in favor of DNA immunization).
conclusionFusion of HBsAg to HCVcp in the context of a DNA vaccine modality could augment Th1-oriented cellular and CTL responses toward a protective epitope, comparable to that of HCVcp (subunit HCV vaccine) immunization.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.