S100A8 and Inflammation in Cystic Fibrosis Mice
Author Information
Author(s): Tirkos Sam, Newbigging Susan, Nguyen Van, Keet Mary, Ackerley Cameron, Kent Geraldine, Rozmahel Richard F
Primary Institution: University of Toronto
Hypothesis
The study investigates the correlation between S100A8 expression and inflammatory lung disease in cystic fibrosis mice.
Conclusion
The study found that increased expression of S100A8 and S100A9 correlates with early lung inflammation in cystic fibrosis mice.
Supporting Evidence
- The lungs of C57BL/6 CF mice showed significant elevation of S100A8 and S100A9.
- Neutrophil counts were significantly higher in C57BL/6 CF mice compared to wild-type.
- S100A8 expression was not elevated in BALB/c CF mice, indicating strain differences.
- Both S100A8 and S100A9 are involved in neutrophil recruitment during inflammation.
- Elevated S100A8 levels were specific to lung tissue and not found in other CF-affected organs.
Takeaway
The study shows that a protein called S100A8 is linked to lung inflammation in mice with cystic fibrosis, which helps us understand the disease better.
Methodology
The study used quantitative RT-PCR and RNA in situ hybridization to analyze lung tissues from CF mice.
Limitations
The study could not completely rule out the presence of undetected pathogens in the mice.
Participant Demographics
The study involved congenic C57BL/6 and BALB/c CF mice, aged 20 days.
Statistical Information
P-Value
p ≤ 0.005
Statistical Significance
p ≤ 0.005
Digital Object Identifier (DOI)
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