SLC7A7 and esophageal squamous cell carcinoma: As confirmed by ESCC cells (KYSE410, KYSE510) and normal epithelium of esophagus (HET-1A) obtained from Hunan Fenghui Biotechnology Co., Ltd. (Changsha, China) through qPCR, C2, CD14, RTP4, FCER3A, and SLC7A7 were highly expressed in KYSE410 and KYSE510 than normal cells (Figure 8A–8H).