Fig. 4From: Let-7a-5p regulates the inflammatory response in chronic rhinosinusitis with nasal polypslet-7a-5p inhibited the activity of Ras-MAPK pathway in CRSwNP. Western bolt assay was used to explore the protein expression of Ras, Raf1, p-Raf1, MEK1, p-MEK1, ERK1/2 and p-ERK1/2 in NPDFs cells transfected with let-7a-5p mimic. **p < 0.01; ***p < 0.001Back to article page