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. 2010 Mar 18;44(2):134–145. doi: 10.1165/rcmb.2009-0315OC

Figure 2.

Figure 2.

Intratracheal challenge with IL-1F9 leads to cellular infiltrates and mucus production in airways of mice previously unexposed to allergens. (A) Hematoxylin and eosin staining of paraffin-embedded mouse lung sections collected 6 hours and 24 hours after the last of four intratracheal challenges with PBS or IL-1F9. (B) Periodic acid–Schiff staining of paraffin-embedded mouse lung sections collected 6 hours and 24 hours after the last of four intratracheal challenges with PBS or IL-1F9. Arrows indicate PAS positive, mucus-producing cells. Slides are representative of n = 4–5 mice/group/time point.