COL17A1 and idiopathic pulmonary fibrosis: CCL28 increased the percentage of SSEA4+CCR10+ cells (Figure 3, G, H, K, and L), total cell numbers (Figure 3, I and M), and CCR10, COL17A1, and EPHA3 transcripts (Figure 3, J and N) in cultures of normal and IPF MPCs.