UBQLN4 and esophageal squamous cell carcinoma: Interestingly, UBQLN4 mRNA levels did not change across different histopathology subtypes, such as 1) among the different subtypes of BRCA, and 2) between adenocarcinoma and mucinous carcinoma in COAD/READ and, 3) between esophageal adenocarcinoma (ESAD) and ESCC (Figure S7).