PCR and sequence analysis of V gene rearrangements of single B cells from individual follicles of three follicular lymphomas
. | Samples . | V gene . | No. of cells positive/cells analyzed . | Clonal rearrangements* . | |
---|---|---|---|---|---|
Total . | Per follicle . | ||||
Case | |||||
1 | FL cells | VH | 33/150 | 1:12/50 | 30 × VH3-23 |
2:14/50 | 2 × VH3-23 | ||||
3:7/50 | 1 × VH3-11 | ||||
FL cells | Vκ | 27/150 | 1:7/50 | 25 × VκB3 | |
2:12/50 | 2 × VκB3 | ||||
3:8/50 | |||||
2 | FL cells | VH | 71/150 | 1:30/50 | 71 × VH3-23 |
2:23/50 | |||||
3:18/50 | |||||
FL cells | Vκ | 55/150 | 1:20/50 | 55 × VκL2 | |
2:15/50 | |||||
3:20/50 | |||||
3 | FL cells | VH | 37/150 | 1:8/50 | 37 × VH3-49 |
2:12/50 | |||||
3:17/49 | |||||
FL cells | Vλ | 30/150 | 1:8/50 | 30 × Vλ3r | |
2:10/50 | |||||
3:12/50 | |||||
Controls† | |||||
1 | T cells | VH | 0/60 | ||
Vκ | 0/60 | ||||
buffer | VH | 0/60 | |||
Vκ | 0/60 | ||||
2 | T cells | VH | 3/60 | ||
Vκ | 4/60 | ||||
buffer | VH | 1/60 | |||
Vκ | 0/60 | ||||
3 | T cells | VH | 1/60 | ||
Vλ | 1/60 | ||||
buffer | VH | 1/60 | |||
Vλ | 1/60 |
. | Samples . | V gene . | No. of cells positive/cells analyzed . | Clonal rearrangements* . | |
---|---|---|---|---|---|
Total . | Per follicle . | ||||
Case | |||||
1 | FL cells | VH | 33/150 | 1:12/50 | 30 × VH3-23 |
2:14/50 | 2 × VH3-23 | ||||
3:7/50 | 1 × VH3-11 | ||||
FL cells | Vκ | 27/150 | 1:7/50 | 25 × VκB3 | |
2:12/50 | 2 × VκB3 | ||||
3:8/50 | |||||
2 | FL cells | VH | 71/150 | 1:30/50 | 71 × VH3-23 |
2:23/50 | |||||
3:18/50 | |||||
FL cells | Vκ | 55/150 | 1:20/50 | 55 × VκL2 | |
2:15/50 | |||||
3:20/50 | |||||
3 | FL cells | VH | 37/150 | 1:8/50 | 37 × VH3-49 |
2:12/50 | |||||
3:17/49 | |||||
FL cells | Vλ | 30/150 | 1:8/50 | 30 × Vλ3r | |
2:10/50 | |||||
3:12/50 | |||||
Controls† | |||||
1 | T cells | VH | 0/60 | ||
Vκ | 0/60 | ||||
buffer | VH | 0/60 | |||
Vκ | 0/60 | ||||
2 | T cells | VH | 3/60 | ||
Vκ | 4/60 | ||||
buffer | VH | 1/60 | |||
Vκ | 0/60 | ||||
3 | T cells | VH | 1/60 | ||
Vλ | 1/60 | ||||
buffer | VH | 1/60 | |||
Vλ | 1/60 |
V genes unrelated to the tumor clones are shown in italics. There were 2 cells that harbored a VH3-23 and VκB3 rearrangement that were clonally related to each other.
Summary of controls with samples of buffer covering the sections. T cells were micromanipulated from adjacent tissue sections of the same cases as additional negative controls.