Fig. 4. Pectolinarigenin (PEC) inhibited airway wall collagen deposition.
(A, B) COL1A1 expression in the lung tissue was performed IF and the staining results were also quantified. Scale bar: 200 μm. (C, D) Histological analysis of the lung tissue was performed Masson trichrome staining and the staining results were also quantified. Scale bar: 200 μm. Values are presented as mean ± SD. IF, immunofluorescence; OVA, ovalbumin. ^^^p < 0.001 compared with the sham group; ###p < 0.001 compared with the OVA-induced airway inflammation model with cough group.
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