Immunophenotype of Namalwa, Daudi, and Molt-4 Cells
| Antigen . | Namalwa . | Daudi . | Molt-4 . | |||
|---|---|---|---|---|---|---|
| . | % Positive Cells . | MFI . | % Positive Cells . | MFI . | % Positive Cells . | MFI . |
| CD19 | 100 | 58 | 99 | 132 | 0.3 | 4 |
| CD20 | 57 | 314 | 98 | 1486 | 0.1 | 5 |
| CD21 | 77 | 89 | 98 | 133 | 34 | 26 |
| CD38 | 99 | 526 | 100 | 858 | 99 | 303 |
| CD77 | 0,3 | 4 | 98 | 88 | 0.3 | 4 |
| sIgM | 100 | 1413 | 96 | 4455 | 0.7 | 4 |
| Antigen . | Namalwa . | Daudi . | Molt-4 . | |||
|---|---|---|---|---|---|---|
| . | % Positive Cells . | MFI . | % Positive Cells . | MFI . | % Positive Cells . | MFI . |
| CD19 | 100 | 58 | 99 | 132 | 0.3 | 4 |
| CD20 | 57 | 314 | 98 | 1486 | 0.1 | 5 |
| CD21 | 77 | 89 | 98 | 133 | 34 | 26 |
| CD38 | 99 | 526 | 100 | 858 | 99 | 303 |
| CD77 | 0,3 | 4 | 98 | 88 | 0.3 | 4 |
| sIgM | 100 | 1413 | 96 | 4455 | 0.7 | 4 |
Cell surface antigens were measured either by direct immunofluorescence (CD19, CD20, CD21, and sIgM) or indirect immunofluorescence (CD38, and CD77), followed by flow cytometric determination.
Abbreviation: MFI, mean fluorescence intensity (arbitrary units).