ArticleInfectious diseases of poverty2015
Prediction of the next highly pathogenic avian influenza pandemic that can cause illness in humans.
Article in Infectious diseases of poverty, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 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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Who cites it
4 citing papers in PubMed.
- Article
- Emergence and Evolution of Novel Canine-Avian Reassortant H3N2 Influenza A Viruses in Duck in Leizhou Peninsula, China.Frontiers in microbiology · 2022Article
- Infectious Diseases of Poverty, the first five years.Infectious diseases of poverty · 2017Article
- Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn recent years, avian influenza viruses (AIVs) have seriously threatened human health. Questions such as: why do AIVs infect humans?, how quickly can an AIV become pandemic?, and which virus is the most dangerous? cannot be sufficiently answered using current bioinformatic studies.
methodSecondary structures and energies of representative 5'-untranslated region (UTR) of the HA gene were calculated. Then their secondary structures and energies were re-calculated after one or two nucleotide substitutions were introduced into the HA 5'-UTR. Phylogenetic trees on the basis of hemagglutinin (HA) and polymerase basic protein 2 (PB2) amino acid sequences and HA 5'-UTR nucleotide sequences were constructed. The connection between the energy and translation efficiency of 5'-UTR was confirmed by in vitro coupled transcription/translation assay.
resultsThe simplicity of the secondary structure of the 5'-UTR of the HA gene determines the overall virus replication rate and transmission potential. Point mutation assays show that the 5'-UTR sequences of the HA gene in the influenza subtypes H2N2, H3N2, and H7N9 have greater variation potentials than other virus subtypes.
conclusionSome high-virulent strains of avian influenza might emerge in the next two to three years. The H2N2 subtype, once disappeared in humans, may stage a comeback. The current outbreak of H7N9 may become pandemic and cause even more deaths, if one or two bases are substituted in the 5'-UTR sequence of the HA gene.
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