PLA2G2A and idiopathic pulmonary fibrosis: In the third dataset (dataset C, GSE122960) [20] also, we extracted mesenchymal cells (Supplementary Figure S5A–D) and found five sub-clusters like DCN low fibroblasts, DCN high fibroblasts, smooth muscle cells, PLA2G2A IPF fibroblasts and mesothelial cells (Figure 4A, and Supplementary Figure S6A–E).