GPR176 and carcinoma of esophagus: First, we performed real-time RT-PCR and found that GPR176 mRNA expression was higher in oesophageal cancer than in normal tissue (Fig. 1A, p < 0.05), in line with the data from both xiantao (Fig. 1B, p < 0.05) and UALCAN datasets (Fig. 1C, p < 0.05).