Background
Methods
Patients and samples
Array comparative genomic hybridization (aCGH)
DNA sequencing
PCR detection of RUNX1 alterations
Results
Three types of aCGH profiles in CMML
No | Diagnosis | Karyotype | Array-CGH | H, K, NRAS | NF1 | PTPN11 E3, 13 | RUNX1 | SOS1 E7-11 | USP16-RUNX1 rearrangement |
---|---|---|---|---|---|---|---|---|---|
1
| CMML 2 | 46, XY [20] | 3q22-24 losses (EPHB1, NEK11, MRAS...) | no | nd |
p.Asp61Tyr
|
p.Pro425Leu
|
p.Leu569Val
| nd |
5
| CMML 2 | 47, XX, +8 [20] | Tri 8 | no | nd |
p.Ala72Thr
|
Splicing defect
| no | nd |
6
| CMML 2 | 46, XY [20] | 3p23 loss (GLB1, CRTAP) | no | nd | no |
p.Arg166X
| no | nd |
7
| CMML 1 | 46, XX [20] | normal-like | no | nd | no | no | no | nd |
12
| CMML 1 | 47, XX, +8 [20] | Tri 8, 7q11 loss (CALN1) |
N- p.Gly12Asp
| nd | no |
p.Tyr377LeufsX223
| no | nd |
13 | CMML 1 | 46, XY [20] | normal-like | no | nd | no | no | no | nd |
15 | CMML 1 | 46, XY [20] | normal-like | no | nd | no |
p.Gly50GlnfsX4
| no | nd |
51
| CMML 1 | 46, XY [20] | normal-like | no | nd | no | no | no | no |
72
| CMML1 | 46, XY [20] | 7p21 gain (AHR) | no | nd | no | no | no | no |
78
| CMML 1 | 45, X, -X?c [20] | X loss |
N- p.Gly12Asp
| nd | no | no | no | no |
79
| CMML 1 | 46, XY [20] | normal-like |
K- p.Gly12Ser
| p. = | no | no | no | no |
2 | CMML 1 | 46, XY [20] | normal-like | nd | nd | no | no | no | nd |
95 | CMML 1 | 46, XX [20] | normal-like | no | nd | no | no | no | no |
75 | CMML 1 | 46, XY [20] | normal-like | no | nd | no | no | no | no |
89
| CMML 1 | 46, XY [20] | normal-like |
K- p.Ala146Val
| nd | no | no | no | no |
3
| CMML 1 | 46, XY, del(20)(q11q13) [20] | nd | no | nd | no |
p.Arg166X
| no | nd |
38 | CMML 1 | 46, XY [20] | normal-like | no | nd | no | no | no | no |
52 | CMML 2 | 46, XX, inv(11)(p15q22) [20] | normal-like | no | nd | no | no | no | no |
90
| CMML 2 | 46, XX, t(1;3)(p36;q21) [20] | normal-like | no | nd | no | p. = | no | no |
8 | CMML 2 | 46, XY [20] | normal-like | no | nd | no | no | no | nd |
25 | CMML 1 | 46, XY [20] | normal-like | no | nd | no |
p.Leu56Ser
| no | nd |
63
| CMML 2 | 46, XY [20] | normal-like | no | nd | no | no | no | no |
74 | CMML 1 | 46, XY, del(20)(q11q13) [20] | 20q11-q13 loss, 13q14 loss (RB1) | no | nd | no | no | no | no |
87 | CMML 1 | 46, XY [20] | normal-like | no | nd | no |
p.Arg320X
| no | no |
34 |
AT-CMML
| 46, XX [20] | normal-like | no | nd |
p.Gln510His
| no | no |
USP16_E1-RUNX1_E7
|
37 |
AT-CMML
| 20q11-q13 loss, 7p loss, 7q11-q21 loss, 7q31-qter loss, 7q21 gain (CDK6) | no | nd | no |
p.Arg166X
| nd | No | |
80 |
AT-CMML
| 46, XY, del(9)(q21q34) [19]/46, XY [20] | 9q21.11-q22.33 loss, 17q11 loss (NF1) | nd |
no
| no | no | no | No |
88 |
AT-CMML
| Tri 8, 21q21 losses (RUNX1) | no | nd | no | no | no |
USP16_E1-RUNX1_E5
| |
96 |
AT-CMML
| 46, XY, del(20)(q11q13), +mar [18] | 20q11-q13 loss | no | nd | nd | no | no | no |
106 |
AT-CMML
| 46, XY [20] | 7 loss, 8q24 loss (MYC) | no | nd | nd | no | no | no |
Mutations of RAS and RUNX1 genes
A novel, cryptic rearrangement of RUNX1 following inv(21q)
All CMMLs (N = 30) | All non AT-CMMLs (N = 24) | MP-CMMLs (N = 13) | MD-CMMLs (N = 11) | AT-CMMLs (N = 6) |
RUNX1
alteration | |
---|---|---|---|---|---|---|
Normal-like
| 17 | 16 | 6 | 10 | 1 | 7 |
Trisomy 8
| 3 | 2 | 2 | 0 | 1 | 3 |
Del20q
| 4 | 2 | 1 | 1 | 2 | 3 |
RAS pathway mutation
| 7 | 6 | 6 | 0 | 1 | 4 |
RUNX1
alteration
| 11 | 8 | 5 | 3 | 3 | 11 |
RUNX1
mutation
| 9 | 8 | 5 | 3 | 1 | 9 |
USP16-RUNX1
| 2 | 0 | 0 | 0 | 2 | 2 |