SCARA5 and esophageal squamous cell carcinoma: Then, the expression of SCARA5 was measured by RT-qPCR and Western blot in ESCC cell lines and normal esophageal epithelial cells (HEEC and HET-1A), the results showed that the expression of SCARA5 was drastically reduced at mRNA and protein level in ESCC cells, especially in TE-1 and KYSE150 cells (Fig. 1D, E).