Global and Syk-specific tyrosine phosphorylation
Patient no. . | VH gene status . | CD38 status . | Phosphorylation with anti-IgM* . | Fold rise in Syk phosphorylation† . |
---|---|---|---|---|
1 | Unmutated | + | Yes | 3 |
2 | Unmutated | + | Yes | 4 |
3 | Unmutated | + | Yes | 3 |
4 | Unmutated | + | Yes | 3 |
5 | Unmutated | + | Yes | 3 |
6 | Unmutated | + | No | 0 |
7 | Unmutated | + | Yes | 3 |
8 | Unmutated | + | No | 0 |
9 | Unmutated | + | Yes | 3 |
10 | Unmutated | + | No | 0 |
11 | Unmutated | − | Yes | 2.5 |
12 | Unmutated | − | Yes | 2 |
13 | Unmutated | − | Yes | 2 |
14 | Unmutated | − | Yes | 2 |
15 | Unmutated | − | Yes | 2 |
16 | Mutated | + | No | 0 |
17 | Mutated | + | No | 0 |
18 | Mutated | + | Yes | 5 |
19 | Mutated | + | Yes | 2 |
20 | Mutated | + | Yes | 4 |
21 | Mutated | + | Yes | 3.5 |
22 | Mutated | + | No | 0 |
23 | Mutated | ND | Yes | 4 |
24 | Mutated | − | No | 0 |
25 | Mutated | − | No | 1.5 |
26 | Mutated | − | No | 0 |
27 | Mutated | − | No | 0 |
28 | Mutated | − | No | 0 |
29 | Mutated | − | No | 0 |
30 | Mutated | − | No | 0 |
31 | Mutated | − | No | 0 |
32 | Mutated | − | No | 0 |
33 | Mutated | − | No | 0 |
34 | Mutated | ND | ND | 0 |
35 | Mutated | − | ND | 0 |
36 | Mutated | − | ND | 1.8 |
37 | Mutated | − | ND | 0 |
38 | Mutated | − | ND | 0 |
39 | Mutated | ND | ND | 0 |
40 | Mutated | − | ND | 1.3 |
Patient no. . | VH gene status . | CD38 status . | Phosphorylation with anti-IgM* . | Fold rise in Syk phosphorylation† . |
---|---|---|---|---|
1 | Unmutated | + | Yes | 3 |
2 | Unmutated | + | Yes | 4 |
3 | Unmutated | + | Yes | 3 |
4 | Unmutated | + | Yes | 3 |
5 | Unmutated | + | Yes | 3 |
6 | Unmutated | + | No | 0 |
7 | Unmutated | + | Yes | 3 |
8 | Unmutated | + | No | 0 |
9 | Unmutated | + | Yes | 3 |
10 | Unmutated | + | No | 0 |
11 | Unmutated | − | Yes | 2.5 |
12 | Unmutated | − | Yes | 2 |
13 | Unmutated | − | Yes | 2 |
14 | Unmutated | − | Yes | 2 |
15 | Unmutated | − | Yes | 2 |
16 | Mutated | + | No | 0 |
17 | Mutated | + | No | 0 |
18 | Mutated | + | Yes | 5 |
19 | Mutated | + | Yes | 2 |
20 | Mutated | + | Yes | 4 |
21 | Mutated | + | Yes | 3.5 |
22 | Mutated | + | No | 0 |
23 | Mutated | ND | Yes | 4 |
24 | Mutated | − | No | 0 |
25 | Mutated | − | No | 1.5 |
26 | Mutated | − | No | 0 |
27 | Mutated | − | No | 0 |
28 | Mutated | − | No | 0 |
29 | Mutated | − | No | 0 |
30 | Mutated | − | No | 0 |
31 | Mutated | − | No | 0 |
32 | Mutated | − | No | 0 |
33 | Mutated | − | No | 0 |
34 | Mutated | ND | ND | 0 |
35 | Mutated | − | ND | 0 |
36 | Mutated | − | ND | 1.8 |
37 | Mutated | − | ND | 0 |
38 | Mutated | − | ND | 0 |
39 | Mutated | ND | ND | 0 |
40 | Mutated | − | ND | 1.3 |
The VH gene and CD38 expression status are shown. Samples with CD38 expression on more than 30% of CD5/CD19 double-positive cells were considered positive.
ND indicates not determined.
CLL samples with a visible increase in global tyrosine phosphorylation in anti-IgM–stimulated cells relative to control antibody–treated cells were considered to be responsive to anti-IgM.
Fold increase in tyrosine phosphorylated Syk in anti-IgM–treated cells relative to control antibody–treated cells.