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Representative RT–PCR amplification of mRNA for CINC-1, CINC-2 and CINC-3 in lungs of rats exposed with SEA (panel a). Lung extracts were assessed for enzyme mRNA expression from PBS- or SEA (3.0 ng trachea−1, 4 h)-treated rats. GAPDH was used as the internal standard. In the panel b, the mRNA levels estimated by densitometry of the bands. *P<0.05 compared with the respective PBS groups.
