Adaptive mutations in the genomes of enterovirus 71 strains following infection of mouse cells expressing human P-selectin glycoprotein ligand-1
2011

Adaptive mutations in enterovirus 71 strains in mouse cells

Sample size: 5 publication 10 minutes Evidence: moderate

Author Information

Author(s): Miyamura Kohei, Nishimura Yorihiro, Abo Masahiro, Wakita Takaji, Shimizu Hiroyuki

Primary Institution: National Institute of Infectious Diseases

Hypothesis

How do enterovirus 71 strains adapt when replicating in mouse cells expressing human PSGL-1?

Conclusion

The study found that adaptive mutations in enterovirus 71 strains enhance their replication in mouse cells expressing human PSGL-1.

Supporting Evidence

  • Four out of five PSGL-1-binding strains of EV71 replicated poorly in mouse cells.
  • Adaptive mutations were identified in the genomes of EV71 strains after replication in L-PSGL-1 cells.
  • Substitutions at VP2-149 were linked to enhanced replication in mouse cells.

Takeaway

Scientists studied how a virus called enterovirus 71 changes when it infects special mouse cells, and they found that it makes changes to help it grow better.

Methodology

The researchers infected mouse L929 cells expressing human PSGL-1 with enterovirus 71 strains and analyzed the replication and mutations in the viral genome.

Limitations

The study primarily focused on a limited number of EV71 strains and their behavior in a specific cell line.

Statistical Information

P-Value

<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1099/vir.0.022418-0

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