FIG. 3.

Allergic pulmonary inflammation following OVA sensitization and challenge. Five to eight BALB/c mice per treatment group were sensitized with OVA to determine alterations of the allergic inflammatory response to a nonpollen allergen (OVA) post-PCF treatment. A. Periodic acid-Schiff staining of representative lung tissue sections 72 h after allergen challenge. B. OVA challenge in sensitized mice resulted in increased pulmonary inflammatory scores (**, P < 0.01) compared with all other treatment groups. Mice given PCF during OVA sensitization had a significant reduction of pulmonary inflammation compared to animals given OVA sensitization alone.