XL t(11;14) CCND1/IGH DF

Translocation/Dual Fusion Probe

Order Number
Package Size
100 µl (10 Tests)


XL t(11;14) CCND1/IGH DF

XL t(11;14) CCND1/IGH DF is designed as a dual fusion probe. The orange labeled probe hybridizes to region 11q13 including CCND1, the green labeled probe flanks the IGH breakpoint region at 14q32.

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

Mantle cell lymphoma (MCL) is a rare subtype of B-cell non-Hodgkin lymphoma (NHL) with an aggressive clinical course. MCLs represent 6-8% of all NHLs. However, 95% of all MCLs are positive for the translocation t(11;14)(q13;q32). To a lower extent, t(11;14)(q13;q32) has also been detected in approx. 20% of B-cell prolymphocytic leukemias, 3-5% of plasma cell myelomas/ multiple myelomas (MM), and in rare cases (<1%) of B-cell chronic lymphocytic leukemia (CLL). The breakpoints within the IGH locus are different in MM and MCL genomes containing translocation t(11;14). The translocation results in juxtaposition of the immunoglobulin heavy-chain (IgH) locus with the cyclin D1 (CCND1) gene locus, which is not transcribed in normal B-cells. As a result, cis IgH enhancer elements take over the transcriptional control of CCND1 leading to deregulated CCND1 expression (e.g. overexpression in MCL). CCND1 coordinates growth signals with cell cycle progression playing a key role in the regulation of the G1 to S phase transition. Additionally, it was shown that some oncogenic effects of t(11;14)(q13;q32) are not directly attributable to the deregulated CCND1 expression, but rather to epigenetic downstream mechanisms such as CCND1 locus methylation and histone acetylation.
Since MCL is an aggressive B-cell neoplasm with a median survival of 3–5 years and has a poor response to traditional chemotherapeutic approaches, distinction of MCL from other lymphoproliferative disorders by differential diagnosis is of great importance.
In multiple myeloma (MM), t(11;14) is the most common translocation, detectable by FISH in about 15-20% of all MM patients. Conventional cytogenetics has a much lower sensitivity, detecting t(11;14) in about 5% of MM patients.

Clinical Applications

  • Chronic Lymphocytic Leukemia (CLL)
  • Multiple Myeloma and Plasma Cell Neoplasms (MM)
  • Non-Hodgkin Lymphomas (NHL)
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XL t(11;14) CCND1/IGH DF

XL t(11;14) CCND1/IGH DF was hybridized to lymphocytes. Metaphase and interphase are 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.

Faint green cross-hybridizations may be observed at 15q11.1 and 16q11.1 due to IGH pseudogenes.

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  • Fonesca et al (2002) Blood 99:3735-3741
  • Bentz et al (2004) Canc Cytopath 102:124-131
  • Hasanali et al (2012) Best Pract Res Clin Haematol 25:143-52