(a) Representative agarose gel showing the results of RT-PCR analysis for mRNA
(b) Optical density ratio of MUC5AC mRNA as assessed by image analysis
Figure 5: Expression of MUC5AC mRNA in the rat nose on the 4th day after the final instillation of LPS. The level of MUC5AC mRNA expression was significantly higher in rats treated with LPS, and upregulation of MUC5AC mRNA expression was inhibited by sTNFRI, antibiotic, and sTNFRI/antibiotic ( ).