Table 2. Effects of JQ1 on proliferation of primary leukemic cells.
| 3H-thymidine-uptake | |||||
|---|---|---|---|---|---|
| AML No# | FAB | WHO | Source PB/BM | +cytokines** IC50 (nM) | -cytokines IC50 (nM) |
| 1* | M1 | AML with t(9;11) | PB | 280 | n.t. |
| 2 | M5 | AML monoblastic | BM | 90 | 70 |
| 3 | M5 | AML with (9;11)/NPM1m | BM | 160 | 240 |
| 4 | M4 | AML with mutated NPM1 | PB | 1,030 | 420 |
| 5 | M1 | AML with mutated NPM1 | BM | 420 | n.t. |
| 6 | M4 | AML myelomonocytic | BM | 1,420 | 140 |
| 7 | M1 | AML with myelodysplasia | BM | 40 | n.t. |
| 8* | M5 | AML with myelodysplasia | PB | 40 | 40 |
| 9 | M5 | AML monoblastic | BM | 50 | 50 |
| 10 | M4 | AML with inv16 | BM | 150 | 70 |
| 11 | M2 | AML with t(8;21) | BM | 40 | n.t. |
| 12 | M2 | AML with t(8;21) | BM | 60 | n.t. |
| 13 | RAEB-T | AML with myelodysplasia | BM | n.t. | 60 |
| 14 | M1 | AML without maturation | BM | n.t. | 150 |
| 15* | sec. | AML with myelodysplasia | PB | n.t. | 1,800 |
| 16* | M6a | acute erythroid leukemia | PB | 40 | n.t. |
| 17* | M4 | AML myelomonocytic | BM | n.t. | 280 |
| 19 | M4 | Therapy related AML | BM | n.t. | 250 |
| 20 | M1 | AML with mutated NPM1 | BM | n.t. | 440 |
| 22* | sec. | AML with myelodysplasia | BM | n.t. | 70 |
| 23* | sec. | AML with myelodysplasia | PB | n.t. | 85 |
| 24* | M4 | AML myelomonocytic | BM | n.t. | 230 |
| 25* | sec. | AML with myelodysplasia | BM | n.t. | 90 |
| 26 | M4 | AML with myelodysplasia | BM | n.t. | 260 |
| 27* | M4 | AML monocytic | BM | n.t. | 20 |
| 28 | M1 | AML with mutated NPM1 | BM | n.t. | 80 |
| 29 | sec. | AML with myelodysplasia | BM | n.t. | 30 |
| 30 | M5 | AML with mutated NPM1 | BM | n.t. | 110 |
These patients were analyzed at relapse or persistence of blasts.
Cells were cultured in stem cell factor (SCF), interleukin-3 (IL-3) and granulocyte colony-stimulating factor (G-CSF) (each 100 ng/ml).
Abbreviations: AML, acute myeloid leukemia; FAB, French-American-British cooperative study group; PB, peripheral blood; BM, bone marrow; n.t., not tested.