Neutrophils and Influenza Virus Infection in Mice
Author Information
Author(s): Michelle D Tate, Andrew G Brooks, Patrick C Reading
Primary Institution: The University of Melbourne
Hypothesis
The study examines the role of neutrophils during infection of mice with the influenza virus strain HKx31.
Conclusion
Neutrophils are crucial for limiting influenza virus replication and preventing severe disease during infection.
Supporting Evidence
- Neutrophils were rapidly recruited to the airways following influenza virus infection.
- Depletion of neutrophils led to severe clinical disease and increased virus replication.
- Neutrophils play a critical role in limiting virus growth in both the upper and lower respiratory tract.
Takeaway
Neutrophils help fight off the flu virus in mice, and without them, the mice get very sick.
Methodology
Mice were infected with the HKx31 influenza virus, and neutrophils were depleted using the anti-Gr-1 monoclonal antibody RB6-8C5 to assess their role in infection.
Potential Biases
Potential bias due to the effects of the antibody on other immune cell types, particularly CD8+ T cells.
Limitations
The study's findings may be influenced by the cross-reactivity of the antibody used to deplete neutrophils.
Participant Demographics
C57BL/6 (B6) and CD8+ T cell-deficient B6.TAP-/- mice, aged 6–10 weeks.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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