ArticleJournal of biomedical science2023
Neutralizing antibodies targeting a novel epitope on envelope protein exhibited broad protection against flavivirus without risk of disease enhancement.
Article in Journal of biomedical science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- Clinical Manifestations and Immunological Impacts in Co-Infections and Sequential Infections of SARS-CoV-2 and Arboviruses.Current microbiology · 2026Review
- Opportunities and Challenges of mRNA and VLP Technologies for Pan-Flavivirus Vaccine Development: Focus on Conserved Quaternary Epitope Conformations.International journal of molecular sciences · 2026Review
- Optimization of in-house indirect ELISA for the detection of mice IgG anti-dengue prM/E DENV-3 as a vaccine candidate.Open veterinary journal · 2026Article
- Advances and Challenges in Vaccination and Therapeutic Strategies Against Japanese Encephalitis Virus.Pathogens (Basel, Switzerland) · 2025Review
- A novel pan-epitope based nanovaccine self-assembled with CpG enhances immune responses against flavivirus.Journal of nanobiotechnology · 2024Article
- Zika Virus-A Reemerging Neurotropic Arbovirus Associated with Adverse Pregnancy Outcomes and Neuropathogenesis.Pathogens (Basel, Switzerland) · 2024Review
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Authors and funding
10 authors at 5 institutions in 1 country.
Funding
Abstract
backgroundFlavivirus causes many serious public health problems worldwide. However, licensed DENV vaccine has restrictions on its use, and there is currently no approved ZIKV vaccine. Development of a potent and safe flavivirus vaccine is urgently needed. As a previous study revealed the epitope, RCPTQGE, located on the bc loop in the E protein domain II of DENV, in this study, we rationally designed and synthesized a series of peptides based on the sequence of JEV epitope RCPTTGE and DENV/ZIKV epitope RCPTQGE.
methodsImmune sera were generated by immunization with the peptides which were synthesized by using five copies of RCPTTGE or RCPTQGE and named as JEV-NTE and DV/ZV-NTE
resultsPassive immunization with JEV-NTE-immunized sera or DV/ZV-NTE-immunized sera could increase the survival rate or prolong the survival time in JEV-challenged ICR mice and reduce the viremia levels significantly in DENV- or ZIKV-infected AG129 mice. Furthermore, neither JEV -NTE- nor DV/ZV-NTE-immune sera induced antibody-dependent enhancement (ADE) as compared with the control mAb 4G2 both in vitro and in vivo.
conclusionsWe showed for the first time that novel bc loop epitope RCPTQGE located on the amino acids 73 to 79 of DENV/ZIKV E protein could elicit cross-neutralizing antibodies and reduced the viremia level in DENV- and ZIKV-challenged AG129 mice. Our results highlighted that the bc loop epitope could be a promising target for flavivirus vaccine development.
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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.