ArticleVaccines2023
Attenuated Chimeric GI/GIII Vaccine Candidate against Japanese Encephalitis Virus.
Article in Vaccines, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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.
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Who cites it
2 citing papers in PubMed, 5 citations in OpenAlex.
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Japanese encephalitis (JE) is a very severe disease characterized by high fatality rates and the development of permanent behavioral, psychiatric, and neurological sequelae among survivors. Japanese encephalitis virus (JEV), a flavivirus, is responsible for JE. In Asia, Genotype I (GI) has emerged as the dominant strain, replacing Genotype III (GIII). However, no clinically approved drug is available to treat JEV infection, and currently available commercial vaccines derived from JEV GIII strains provide only partial protection against GI. Utilizing a reverse genetics system, this study attempted to produce a novel chimeric JEV strain with high efficacy against JEV GI. Accordingly, a GI/GIII intertypic recombinant strain, namely SA14-GI env, was generated by substituting the E region of the GIII SA14-14-2 strain with that of the GI strain, K05GS. The neurovirulence of the mutant virus was significantly reduced in mice. Analysis of the immunogenicity of the chimeric virus revealed that it induced neutralizing antibodies against JEV GI in mice, and the protective efficacy of SA14-GI env was higher than that of SA14-14-2. These findings suggest that SA14-GI env may be a safe and effective live-attenuated vaccine candidate against JEV GI.
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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.