Fig. 3From: Ex vivo innate responses to particulate matter from livestock farms in asthma patients and healthy individualsEffect of pre-treatment with NAC (1 or 10 mM) on cytokine production induced by BioPM (1 or 5 μg/ml) collected from chicken, goat and pig farms in PBMCs from healthy volunteers (H; blue) and asthma patients at stable disease (S; black) and during loss of control (L; white); n = 10. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001Back to article page