Fig. 1

Network pharmacology and molecular docking analysis of the interaction and binding between Polyphyllin B and COPD target genes. A Venn diagram showing the number of shared target genes between Polyphyllin B and COPD. B PPI network construction of shared target genes. C Degree of target genes. D Interaction network between Polyphyllin B and COPD target genes. E Binding between Polyphyllin B and STAT3 protein