How Acinetobacter baumannii Infection Affects Allergic Asthma in Mice
Author Information
Author(s): Qiu Hongyu, Kuo Lee Rhonda, Harris Greg, Zhou Hongyan, Miller Harvey, Patel Girishchandra B., Chen Wangxue
Primary Institution: Institute for Biological Sciences, National Research Council Canada
Hypothesis
Does Acinetobacter baumannii infection inhibit airway eosinophilia and lung pathology in a mouse model of allergic asthma?
Conclusion
Acinetobacter baumannii infection significantly inhibits airway eosinophilia and associated lung pathology in a mouse model of allergic asthma.
Supporting Evidence
- A. baumannii treatment significantly reduced pulmonary Th2 cytokine and chemokine responses to OVA challenge.
- The airway inflammation in A. baumannii-treated mice was strongly suppressed.
- Live A. baumannii treatment resulted in a substantial reduction in IL-4, IL-5, and IL-13 mRNA expression.
Takeaway
When mice with allergic asthma were infected with a type of bacteria called Acinetobacter baumannii, they had less inflammation and fewer allergy symptoms in their lungs.
Methodology
Mice were sensitized with ovalbumin and treated with either live Acinetobacter baumannii or phosphate buffered saline before being challenged with ovalbumin.
Limitations
The study was conducted in a mouse model, which may not fully replicate human allergic asthma.
Participant Demographics
Six- to 8-week-old female C57BL/6 mice were used in the study.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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