Fig. 2

Screening of differentially expressed miRNAs. The proportional distribution of RNAs with different classification between two groups (a, b). Venn distribution of differential miRNAs, there are 136 differentially expressed miRNAs in IPA and 187 differentially expressed miRNAs in NPA (c). Volcanic map of differential miRNA, blue dots for no significant difference of miRNAs, red for significant upregulation of miRNAs, and green for significant downregulation of miRNAs (d). Cluster analysis of differentially expressed sRNAs, red for high expression miRNAs, blue for low expression miRNAs (e)