PCA and hierarchical clustering
To facilitate graphical interpretation of relatedness among the 48 tissue samples, we reduced the dimensional expression data to two dimensions by PCA through Omicshare tools(https://www.omicshare.com/tools/Home/Soft/pca) . Hierarchical clustering (HCL) was carried out through Omicshare tools (https://www.omicshare.com/tools/Home/Soft/hca ).