PAD4-Mediated Neutrophil Extracellular Trap Formation Is Not Required for Immunity against Influenza Infection
2011

The Role of PAD4 in Neutrophil Response to Influenza Infection

Sample size: 38 publication 10 minutes Evidence: moderate

Author Information

Author(s): Saskia Hemmers, John R. Teijaro, Sanja Arandjelovic, Kerri A. Mowen

Primary Institution: The Scripps Research Institute

Hypothesis

Does PAD4-mediated NET formation influence immunity against influenza infection?

Conclusion

PAD4-mediated NET formation is not essential for immunity against influenza A infection in mice.

Supporting Evidence

  • PAD4-deficient mice showed similar viral titers to wild-type mice during influenza infection.
  • Both PAD4 WT and KO mice had comparable leukocyte infiltration in the lungs.
  • PAD4 KO mice experienced less weight loss during influenza infection compared to WT mice.

Takeaway

The study found that mice without PAD4, which can't form NETs, still managed to fight off the flu just as well as normal mice.

Methodology

The researchers generated PAD4-deficient mice and compared their response to influenza A infection with wild-type mice, measuring weight loss, viral titers, and leukocyte infiltration.

Limitations

The study primarily focused on a single viral infection model and may not generalize to other infections or chronic conditions.

Participant Demographics

C57BL/6 mice, both wild-type and PAD4-deficient.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022043

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