ArticleSichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition2022
[Investigation of Virulence Variation of Enterovirus 71 Strains during Thermal Adaptive Evolution].
Article in Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed, 1 citations in OpenAlex.
- Effects of temperature and environmental covariates on the dynamic transmission of hand, foot, and mouth disease in Zhejiang, China.PLoS neglected tropical diseases · 2025Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To study the virulence variation of enterovirus 71 (EV71) during thermal adaptive evolution, providing references for the prevention and control of the EV71-related hand, foot and mouth disease. Methods: Parental strains and thermal-adapted strains originating from EV71 sibling strains (lineage #100 and #101) were used for plaque assay validation, CCK-8 cytotoxicity experiment, and host proteomics studies after Vero cell infection. Plaque morphology and cell inhibition rate of the viral strains were obtained. Mass spectrometry was used to examine and analyze the functions of proteins that were differential expressed in the host cells. Results: Plaque morphology variation was found only in the heat-adapted strain of lineage #101. Increase in cell inhibition rate was observed in all the thermal-adapted strains, but the amount of increase varied in different strains. According to the results of clustering analysis and principal component analysis, after infection of Vero cells, the host cell protein profile of the heat-adapted strains was similar to that of the parental strains and the host cell protein profile of cold-adapted strains was similar to that of cell-adapted strains. It showed that 500 kinds of proteins presented inter-group difference in their expression, with 239 kinds being up-regulated proteins and 261 being down-regulated. The function of the up-regulated proteins were related to post-translational protein modification, while the functions of the down-regulated proteins were related to SRP-dependent cotranslational protein translocation/targeting to membrane and retrograde protein transport. Conclusion: Virulence variations of enterovirus 71 may accompany thermal adaptive evolution, but its mechanism of action still awaits further investigation.
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