Summary of the FISH results obtained for the 2 novel t(4;12)(q11-q12;p13) cases
| Probes . | (Localization) . | Case 5 . | Case 6 . |
|---|---|---|---|
| 4q11 | CHIC2 | ||
| 200D9 | Exon 1 | der(12) | split or der(12)* |
| 238H24 | Exons 1-6 | split | der(4) |
| 1146G14 | Exons 4-6 | der(4) | der(4) |
| 12p13 | ETV6 | ||
| 434C1 | Telomeric to exon 1/exon 1 | der(4) | |
| 209J1 | Exon 1/intron 1 | der(12) | |
| 179A6 | Exon 1/intron 1 | der(4) | |
| 50F4 | Intron 1/exon 2 | der(4) | |
| TEL11 | Intron 2/exon 3 | split | |
| 54D5 | Exons 5-8 | der(12) | |
| 148B6 | Exon 8 | der(12) | der(12) |
| Probes . | (Localization) . | Case 5 . | Case 6 . |
|---|---|---|---|
| 4q11 | CHIC2 | ||
| 200D9 | Exon 1 | der(12) | split or der(12)* |
| 238H24 | Exons 1-6 | split | der(4) |
| 1146G14 | Exons 4-6 | der(4) | der(4) |
| 12p13 | ETV6 | ||
| 434C1 | Telomeric to exon 1/exon 1 | der(4) | |
| 209J1 | Exon 1/intron 1 | der(12) | |
| 179A6 | Exon 1/intron 1 | der(4) | |
| 50F4 | Intron 1/exon 2 | der(4) | |
| TEL11 | Intron 2/exon 3 | split | |
| 54D5 | Exons 5-8 | der(12) | |
| 148B6 | Exon 8 | der(12) | der(12) |
Only part of the metaphases showed split signals. This is indicative for a breakpoint close to the centromeric side of the region covered by PAC 200D9.