Reduced Inflammatory Response in Mice Lacking Certain Transport Proteins
Author Information
Author(s): van der Deen Margaretha, Timens Wim, Timmer-Bosscha Hetty, van der Strate Barry W, Scheper Rik J, Postma Dirkje S, de Vries Elisabeth G, Kerstjens Huib A
Primary Institution: University Medical Center Groningen and University of Groningen, The Netherlands
Hypothesis
Do triple knock-out mice lacking Mrp1 and Mdr1a/1b exhibit a different susceptibility to cigarette smoke-induced features of COPD compared to wild-type mice?
Conclusion
Mrp1/Mdr1a/1b knock-out mice have a reduced inflammatory response to cigarette smoke.
Supporting Evidence
- TKO mice had lower levels of several cytokines compared to WT mice.
- The increase in IL-8 in response to smoke was less in TKO than WT mice.
- Smoke-induced increase in pulmonary inflammatory cells was almost absent in TKO mice.
Takeaway
Mice without certain proteins that help detoxify smoke have less inflammation when exposed to cigarette smoke, which might be bad for their lungs.
Methodology
TKO and WT mice were exposed to cigarette smoke for 6 months, and lung inflammation was analyzed through cytokine levels and inflammatory cell counts.
Limitations
The study did not observe emphysema in either group after 6 months of smoke exposure, suggesting a need for longer exposure or different mouse strains.
Participant Demographics
Male FVB mice were used in the study.
Statistical Information
P-Value
p<0.05 for several cytokines
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website