Fig. 6From: Expression of MATE1, P-gp, OCTN1 and OCTN2, in epithelial and immune cells in the lung of COPD and healthy individualsDifferential expression of membrane transporters in BAL cells from healthy smokers and non-smokers. Normalized mRNA expression of selected genes, shown as fold change relative to the median expression in all subjects. Horizontal lines indicate median. NS: non-smokers, S. Smokers. Statistics calculated using Mann Whitney non-parametric test. * < 0.05Back to article page