Fig. 1

Experimental groups; Saline = controls were treated with saline i.p; LPS = mice were treated with 30 mg/kg bw Escherichia coli lipopolysaccharide i.p.; air (□) = mice were exposed to air; CO (■) = mice were exposed to 50 ppm CO; IPL = isolated perfused lung; ↓ = time points of tissue sampling in the molecular biology groups; * = collection of blood sample for cytokine detection; n = 8 per group