Table 1.
Secretion of IFN-γ and expression of HLA antigens by transduced hepatocellular carcinoma cells in culture
| Cell lines | IFN-γ Production | Control* | HLA class I * * | HLA class II△ |
| (U/5 × 105 cells/24 h) | MCN (% positive)△△ | MCN (% positive) | MCN (% positive) | |
| QGY7701 | 0 | 18 (6) | 159 (99) | 26 (11) |
| QGY7701.3A | 75 | 21 (5) | 306 (100) | 28 (77) |
| SMMC7721 | 0 | 9 (2) | 200 (100) | 13 (12) |
| SMMC7721.2C | 150 | 21 (3) | 348 (100) | 14 (58) |
| BEL7704 | 0 | 20 (7) | 34 (93) | 21 (8) |
| BEL7404.6A | 75 | 22 (5) | 117 (100) | 29 (47) |
| HHCL | 0 | 10 (3) | 232 (100) | 12 (10) |
| HHCL.2C | 100 | 22 (6) | 340 (100) | 37 (56) |
| HHCL.2D | 25 | 14 (6) | 440 (100) | 12 (68) |
| HHCL.5C | 100 | 11 (4) | 401 (100) | 19 (83) |
| HHCL.6C | 75 | 15 (3) | 550 (100) | 10 (44) |
| HHCL.5D | 200 | 10 (3) | 341 (100) | 10 (40) |
* Cells were stained with fluorescence isothiocyanatic-conjugated goat anti-mouse IgG (FITC-IgG) as a control. * * Cells were stained with anti-HLA class I McAb following with FITC-IgG. △Cells were stained with anti-HLA class II McAb following with FITC-IgG. △△Mean fluorescence channel number (MCN) and percentages of positive cells (in parenthese).