Fluorescence in situ hybridization has become an essential detection assay in today´s routine diagnostics. However, long hybridization times of many hours to overnight are still a restrictive factor. We have refined the production process of our FISH probes to reduce background and artefacts and to improve the signal to noise ratio, particularly in short-time hybridization. Since mid-2015, one hour hybridization on lymphocytes is an integral part of quality control for all XCyting locus-specific probes at our manufacturing facility.
Translocation/Dual Fusion Probe
- Order Number
- Package Size
- 100 µl
Several recurrent balanced translocations and inversions, and their variants, are recognized in the WHO category acute myeloid leukemia (AML) with recurrent genetic abnormalities. Furthermore, several cytogenetic abnormalities are considered sufficient to establish the WHO diagnosis of AML with myelodysplasia-related features when 20% or more blood or marrow blasts are present.
AML M3 and AML M3v are characterized by a reciprocal translocation between the long arm of chromosome 15 and the long arm of chromosome 17. This translocation leads to a rearrangement of the PML-gene situated on chromosomal band 15q24 and the RARA-gene situated on band 17q21. The PML-RARA-rearrangement has gained major clinical importance as combining ´all transretinoic acid´ and conventional anthracy-cline-cytarabin based chemotherapy has improved the prognosis in this subgroup of AML dramatically.
- Acute Myelogenous Leukemia (AML)
Two green (2G) and two orange (2O) signals.
Aberrant Cell (typical results):
One green (1G), one orange (1O), and two green-orange signals (2GO).
- Lafage-Pochitaloff et al (1995) Blood 85:1169-1174
- Grimwade et al (2000) Blood 96:1297-1308
- Schoch et al (2002) Hematol-J 3:259-263