Analysis of IPF SSEA4+ versus SSEA4– cells revealed higher levels of COL17A1, CCR10, and EPHA3 transcripts in SSEA4+ cells (Figure 3F), which have been shown to be enriched in SSEA4+ MPCs (47) and epidermal stem cells (48). This evidence concerns the gene EPHA3 and idiopathic pulmonary fibrosis.