Research Article

Neutrophil Inhibitory Factor Selectively Inhibits the Endothelium-Driven Transmigration of Eosinophils In Vitro and Airway Eosinophilia in OVA-Induced Allergic Lung Inflammation

Figure 2

The presence of rNIF reduced IL-5 and IL-4 secretion into the BAL but not acute bronchial hyperreactivity. Forty-eight hours after the third challenge, bronchoalveolar lavage (BAL) was performed. The concentrations of IL-5 ( ; (a)) and IL-4 (ns; (b)) were measured by ELISA. Bronchial hyperreactivity (BHR) to methacholine nebulization was determined 24 h before sacrificing using whole-body plethysmography (c). BHR intensity was measured in Penh arbitrary units after indicated challenges and expressed as AUC values. The results represent means ± SD ( animals per group; * indicates ).
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(a)
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(b)
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(c)