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Cigarette smoke extract induces mRNA expression of GSH transporters. Relative mRNA expression in 16HBE cells of the three transporters of GSH known to be expressed apically in the lung. Both basal mRNA levels (open bars) and CSE induced mRNA levels (closed bars) of various transporters were examined. Values were normalized to glyceraldehydes-3-phosphate dehydrogenase standard curve and are representative of the pooled samples of four individual replicates.
