Experimental Parameters
| Patient and Sample Characteristics . | Growth in SCID-hu Hosts . | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Patient . | Stage* . | Prior Rx . | M Isotype . | Sample . | (%) PC† . | PC L.I.‡ . | % CD19 . | Cont.1-153 . | Cells (×106)1-155 . | PC1-154 . | Cells (×106)1-155 . | PC- Depleted# . | Cells (×106)1-155 . |
| 1 | III A | Y | IgG κ | BM | 78 | 2.8 | ND | Y | 3 | Y | 3.2 | ND | — |
| 2 | III A | N | IgA κ | BM | 40 | 1.2 | ND | Y | 3 | Y | 2.7 | N | 0.8 |
| 3 | III A | Y | IgG κ | BM | 26 | 2.4 | ND | Y | 3 | N | 0.7 | ND | — |
| 4 | III A | Y | IgA κ | BM | 35 | ND | ND | Y | 2 | Y | 1 | ND | — |
| 5 | III A | Y | κ light chain | BM | 75 | ND | ND | Y | 5 | Y | 2 | N | 0.5 |
| 6 | III A | N | Nonsecretor | BM | 38 | 3.2 | ND | Y | 5 | Y | 3 | N | 3 |
| 7 | III A | N | IgG λ | BM | 50 | 0.2 | ND | Y | 4 | Y | 2.6 | N | 2.7 |
| 8 | III-B | N | IgG κ | BM | 64 | 0.6 | ND | Y | 4 | Y | 2.8 | N | 3.5 |
| 9 | III B | Y | λ light chain | BM | 48 | 0 | ND | Y | 5 | Y | 2 | N | 2 |
| PB | 7.5 | ND | 4 | Y | 10 | ND | — | N | 14 | ||||
| 10 | III A | N | IgG κ | BM | 11 | 0.4 | ND | Y | 5 | ND | — | ND | — |
| PB | 0.1 | ND | 10 | Y | 10 | ND | — | N | 5 | ||||
| 11 | III A | Y | IgG κ | BM | 11 | ND | ND | Y | 10 | ND | — | ND | — |
| PB | 0 | — | 9 | N | 10 | — | — | — | — | ||||
| 12 | I A | N | IgG κ | BM | 30 | ND | ND | Y | 5 | ND | — | ND | — |
| PB | 0.4 | ND | 0 | Y | 10 | ND | — | ND | — | ||||
| 13 | III | N | IgG κ | BM | 48 | 0.6 | ND | ND | — | ND | — | ND | — |
| PB | 14 | ND | 18 | Y | 2 | ND | — | N | 1.5 | ||||
| Patient and Sample Characteristics . | Growth in SCID-hu Hosts . | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Patient . | Stage* . | Prior Rx . | M Isotype . | Sample . | (%) PC† . | PC L.I.‡ . | % CD19 . | Cont.1-153 . | Cells (×106)1-155 . | PC1-154 . | Cells (×106)1-155 . | PC- Depleted# . | Cells (×106)1-155 . |
| 1 | III A | Y | IgG κ | BM | 78 | 2.8 | ND | Y | 3 | Y | 3.2 | ND | — |
| 2 | III A | N | IgA κ | BM | 40 | 1.2 | ND | Y | 3 | Y | 2.7 | N | 0.8 |
| 3 | III A | Y | IgG κ | BM | 26 | 2.4 | ND | Y | 3 | N | 0.7 | ND | — |
| 4 | III A | Y | IgA κ | BM | 35 | ND | ND | Y | 2 | Y | 1 | ND | — |
| 5 | III A | Y | κ light chain | BM | 75 | ND | ND | Y | 5 | Y | 2 | N | 0.5 |
| 6 | III A | N | Nonsecretor | BM | 38 | 3.2 | ND | Y | 5 | Y | 3 | N | 3 |
| 7 | III A | N | IgG λ | BM | 50 | 0.2 | ND | Y | 4 | Y | 2.6 | N | 2.7 |
| 8 | III-B | N | IgG κ | BM | 64 | 0.6 | ND | Y | 4 | Y | 2.8 | N | 3.5 |
| 9 | III B | Y | λ light chain | BM | 48 | 0 | ND | Y | 5 | Y | 2 | N | 2 |
| PB | 7.5 | ND | 4 | Y | 10 | ND | — | N | 14 | ||||
| 10 | III A | N | IgG κ | BM | 11 | 0.4 | ND | Y | 5 | ND | — | ND | — |
| PB | 0.1 | ND | 10 | Y | 10 | ND | — | N | 5 | ||||
| 11 | III A | Y | IgG κ | BM | 11 | ND | ND | Y | 10 | ND | — | ND | — |
| PB | 0 | — | 9 | N | 10 | — | — | — | — | ||||
| 12 | I A | N | IgG κ | BM | 30 | ND | ND | Y | 5 | ND | — | ND | — |
| PB | 0.4 | ND | 0 | Y | 10 | ND | — | ND | — | ||||
| 13 | III | N | IgG κ | BM | 48 | 0.6 | ND | ND | — | ND | — | ND | — |
| PB | 14 | ND | 18 | Y | 2 | ND | — | N | 1.5 | ||||
Abbreviations: ND, experiment not done; Y, SCID-hu hosts developed myeloma; N, hosts did not develop myeloma.
Stage according to the Durie Salmon staging.
Percent plasma cells in sample, determined by CD38/CD45 flow cytometry.
BudR labeling index of light chain clg restricted plasma cells.
Unseparated BM or PB cells inoculated into SCID-hu hosts as controls for myeloma development.
Total number of cells inoculated.
SCID-hu hosts injected with purified myeloma plasma cells.
#SCID-hu hosts injected with PC-depleted cells.