Immunoglobulin isotype protein expression in hairy cell leukemia
| Ig . | Expression, % (MFI), by patient no.3-150 . | ||||
|---|---|---|---|---|---|
| 42 . | 83 . | 93 . | 103 . | 163 . | |
| IgM | 59 (4.1) | 21 (16.2) | 61 (8.4) | 94 (9.1) | 87 (8) |
| IgD | 93 (12) | 60 (6.4) | 70 (16) | 98 (39) | 95 (55) |
| IgG | 59 (3.0) | 28 (22.1) | 40 (8.3) | 90 (4.1) | 99 (10.7) |
| IgA | NEG | NEG | NEG | 85 (1.9) | 94 (8.6) |
| Ig . | Expression, % (MFI), by patient no.3-150 . | ||||
|---|---|---|---|---|---|
| 42 . | 83 . | 93 . | 103 . | 163 . | |
| IgM | 59 (4.1) | 21 (16.2) | 61 (8.4) | 94 (9.1) | 87 (8) |
| IgD | 93 (12) | 60 (6.4) | 70 (16) | 98 (39) | 95 (55) |
| IgG | 59 (3.0) | 28 (22.1) | 40 (8.3) | 90 (4.1) | 99 (10.7) |
| IgA | NEG | NEG | NEG | 85 (1.9) | 94 (8.6) |
Ig indicates immunoglobulin; MFI, mean fluorescence index; NEG, negative.
Percentage of positive cells and mean fluorescence index (in parentheses) for each isotype were determined on the CD19/CD11c hairy cells.