This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. Primary support for the subproject and the subproject's principal investigator may have been provided by other sources, including other NIH sources. The Total Cost listed for the subproject likely represents the estimated amount of Center infrastructure utilized by the subproject, not direct funding provided by the NCRR grant to the subproject or subproject staff. Definitive conclusions regarding the anti-inflammatory effects of macrolide antibiotics for treatment of asthma are difficult to formulate since their beneficial effects may be related to their antimicrobial action. We hypothesized that azithromycin possesses distinct anti-inflammatory properties and tested this assumption in a non-infectious mouse model of allergic asthma. To induce allergic airway inflammation seven-week-old BALB/cJ mice underwent intraperitoneal ovalbumin sensitization on days 0 and 7 followed by intranasal challenge on day 14. Mice were treated with PBS or azithromycin on days 13 through 16 and on day 17 airway inflammation was assessed by quantifying leukocytes in the airway, expression of multiple inflammatory mediators in the bronchoalveolar lavage (BAL), and mucous cell metaplasia. In a separate set of experiments, azithromycin or PBS treatment were initiated after the ovalbumin challenge. Each experiment was repeated 3 times (a total of 9-11 mice in each group).

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Biotechnology Resource Grants (P41)
Project #
5P41RR000954-34
Application #
8361426
Study Section
Special Emphasis Panel (ZRG1-BCMB-K (40))
Project Start
2011-01-01
Project End
2011-12-31
Budget Start
2011-01-01
Budget End
2011-12-31
Support Year
34
Fiscal Year
2011
Total Cost
$10,788
Indirect Cost
Name
Washington University
Department
Internal Medicine/Medicine
Type
Schools of Medicine
DUNS #
068552207
City
Saint Louis
State
MO
Country
United States
Zip Code
63130
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