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Reduced lung inflammation after Panobacumab treatment in immunosuppressed P. aeruginosa-infected mice.

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posted on 2013-09-02, 01:58 authored by Thomas Secher, Stefanie Fas, Louis Fauconnier, Marieke Mathieu, Oliver Rutschi, Bernhard Ryffel, Michael Rudolf

B6 mice were immunosuppressed with cyclophosphamide (100 mg/kg) and 3 days later infected by intra-nasal instillation of 40 µL of P. aeruginosa strain 2310.55 (2x105 cfu). Panobacumab was given i.v. at 0.4 mg/kg, 4 h after the infection. Absolute numbers of cells (A), neutrophils (B) were measured in BALF 24 h after infection. Lung MPO (C) was recorded 24 h after infection. The concentrations of IL-6 (D) and IL-1β (E) in lung homogenates were determined 24 h after infection. Groups of 8-10 mice were used and mean values ± SEM are shown (One-way ANOVA with Tukey’s Multiple Comparison Test: * p<0.05, *** p<0.001). The results are a pool of two independent experiments.