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Fig. 2 | Respiratory Research

Fig. 2

From: Effects of elevated CO2 levels on lung immune response to organic dust and lipopolysaccharide

Fig. 2

Effects of CO2 on BAL fluid cells. Mice were treated intranasally with saline, organic dust (HDE), or lipopolysaccharide (LPS) and then exposed to either room air (~ 500 ppm), 1000 ppm (1 K), or 5000 ppm (5 K) CO2. Values given are based on number of cells in BAL fluid multiplied by the fraction of monocytes/macrophages (black bars) or neutrophils (open bars) in (a) saline, (b) HDE or (c) LPS treated animals. Bar graphs represent averages and error bars the SEM. N = 4–5 mice/group. Statistical significance denoted by “a” (treatment vs respective saline control), “b” (1000 ppm vs room air treatment), “c” (5000 ppm vs room air treatment) and “d” (5000 ppm vs 1000 ppm treatment) and error bars denoting SEM

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