XL t(6;9) DEK/NUP214

Translocation/Dual Fusion Probe

Order Number
Package Size
100 µl (10 Tests)


XL t(6;9) DEK/NUP214

XL t(6;9) DEK/NUP214 consists of a green-labeled probe hybridizing to the DEK gene region at 6p22.3 and an orange-labeled probe hybridizing to the NUP214 gene region at 9q34.1.

Probe maps are created in accordance with the intended purpose of the product. Solid colored bars do not necessarily indicate that the probe fully covers the indicated genomic region. Therefore, caution is advised when interpreting results generated through off-label use. Probe map details based on UCSC Genome Browser GRCh37/hg19. Map components not to scale. Further information is available on request.

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Clinical Details

Several recurrent balanced translocations and inversions, and their variants, are recognized in the WHO category acute myelogenous leukemia (AML) with recurrent genetic abnormalities. Three new cytogenetically defined entities were recently incorporated: AML with t(6;9)(p23;q34) DEK/NUP214; AML with inv(3)(q21q26.2) or t(3;3)(q21;q26.2) RPN1/EVI1 and AML (megakaryoblastic) with t(1;22)(p13;q13) RBM15/MKL1, a rare leukemia most commonly occurring in infants.

The t(6;9)(p23;q34) DEK/NUP214 fusion occurs with an incidence of 1–5% in adult patients with AML. This translocation tends to occur in younger adults and is associated with an unfavorable prognosis at diagnosis. Although the t(6;9) is usually the sole cytogenetic aberration at diagnosis, additional karyotypic abnormalities are frequently identified during disease progression.

Clinical Applications

  • Acute Myelogenous Leukemia (AML)
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XL t(6;9) DEK/NUP214

XL t(6;9) DEK/NUP214 hybridized to lymphocytes. One normal metaphase is shown.

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Expected Patterns

Expected Pattern 1

Normal Cell:
Two green (2G) and two orange (2O) signals.

Expected Pattern 2

Aberrant Cell (typical results):
One green (1G), one orange (1O), and two green-orange fusion (2GO) (adjacent green and orange) signals.

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  • Shearer et al (2005) Leukemia 19:126-131
  • Doehner et al (2010) Blood 115:453-474
  • Sandahl et al (2014) Haematologica 99:865-872