Clinical characteristics of each sample used in scRNA-seq study and the cell number of each sample after quality control
| Sample | Age | Sex | Histopathological diagnosis | Site of origin | Lauren's classification | Helicobacter pylori | EBER | Number of cell |
| Tumour samples used in scRNA-seq study | ||||||||
| DGC | 54 | F | Poorly differentiated adenocarcinoma | Cardia | Diffuse | – | – | 3026 |
| IGC1 | 67 | F | Moderately poorly differentiated adenocarcinoma | Angular incisure | Intestinal | + | – | 952 |
| IGC2 | 65 | M | Moderately differentiated adenocarcinoma | Cardia | Intestinal | – | – | 2616 |
| IGC3 | 56 | M | Moderately differentiated adenocarcinoma | Cardia | Intestinal | – | – | 2136 |
| IGC4 | 74 | M | Moderately poorly differentiated adenocarcinoma | Greater curvature | Intestinal | + | – | 2141 |
| IGC5 | 72 | M | Moderately poorly differentiated adenocarcinoma | Angular incisure | Intestinal | – | + | 2695 |
| MGC1 | 56 | M | Poorly differentiated adenocarcinoma | Antrum | Mixed | – | – | 881 |
| MGC2 | 63 | M | Poorly differentiated adenocarcinoma | Angular incisure | Mixed | – | – | 2405 |
| MGC3 | 62 | M | Poorly differentiated adenocarcinoma, partial signet ring cell carcinoma | Angular incisure | Mixed | + | – | 3318 |
| Non-tumour samples used in scRNA-seq study | ||||||||
| CG | 53 | F | Chronic gastritis | Cardia | N/A | + | – | 3568 |
| NC1 | 38 | M | Normal | Greater curvature | N/A | – | – | 1773 |
| NC2 | 43 | F | Normal | Greater curvature | N/A | – | – | 2166 |
EBER, EBV-encoded RNA; N/A, not available.