Sex differences in the impact of ozone on survival and alveolar macrophage function of mice after Klebsiella pneumoniae infection
2008

Impact of Ozone on Mice Survival and Macrophage Function After Pneumonia Infection

Sample size: 147 publication 10 minutes Evidence: moderate

Author Information

Author(s): Mikerov Anatoly N, Gan Xiaozhuang, Umstead Todd M, Miller Laura, Chinchilli Vernon M, Phelps David S, Floros Joanna

Primary Institution: The Pennsylvania State University College of Medicine

Hypothesis

Does ozone exposure differentially affect survival and macrophage function in male and female mice infected with Klebsiella pneumoniae?

Conclusion

Ozone exposure significantly reduces the survival of mice infected with Klebsiella pneumoniae, with a more pronounced effect in female mice.

Supporting Evidence

  • Mice exposed to ozone had significantly lower survival rates after infection compared to those exposed to filtered air.
  • Female mice showed a greater reduction in survival rates after ozone exposure than male mice.
  • Alveolar macrophages from ozone-exposed mice had impaired phagocytic ability.

Takeaway

Breathing in ozone makes mice sick and less able to fight off infections, especially female mice.

Methodology

Male and female mice were exposed to ozone or filtered air, then infected with Klebsiella pneumoniae, and their survival and macrophage function were monitored.

Limitations

The study was conducted on mice, which may not fully represent human responses.

Participant Demographics

C57BL/6 mice, both male and female, aged 8-12 weeks.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1465-9921-9-24

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