Avian Influenza Viruses Infect Primary Human Bronchial Epithelial Cells Unconstrained by Sialic Acid α2,3 Residues
2011

Avian Influenza Viruses Infect Human Bronchial Epithelial Cells

Sample size: 1 publication 10 minutes Evidence: moderate

Author Information

Author(s): Oshansky Christine M., Pickens Jennifer A., Bradley Konrad C., Jones Les P., Saavedra-Ebner Geraldine M., Barber James P., Crabtree Jackelyn M., Steinhauer David A., Tompkins S. Mark, Tripp Ralph A.

Primary Institution: Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America

Hypothesis

Can low pathogenic avian influenza viruses infect and replicate in fully differentiated human bronchial epithelial cells?

Conclusion

Low pathogenic avian influenza viruses can infect and replicate in human bronchial epithelial cells independent of specific sialic acid receptors.

Supporting Evidence

  • Avian influenza viruses can infect human bronchial epithelial cells.
  • These viruses replicate and are released from the cells without needing specific sialic acid receptors.
  • Different avian influenza strains induce varying levels of chemokine responses in human cells.

Takeaway

This study shows that certain bird flu viruses can infect human lung cells even without the usual receptors they need, which might help them spread to humans.

Methodology

The study used normal human bronchial epithelial cells to test the infection and replication of low pathogenic avian influenza viruses.

Limitations

The study was conducted in vitro, which may not fully replicate in vivo conditions.

Participant Demographics

Cells from a single 17-year-old healthy male donor were used.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021183

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