About 100 guests from 36 countries met on the XVIII. MetaSystems Distributor Meeting (DM) in November to exchange experiences and to get to know new trends and developments at MetaSystems.

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XL t(14;18) IGH/MALT1 DF consists of a green-labeled probe hybridizing to the IGH gene region at 14q32.3 and an orange-labeled probe hybridizing to the MALT1 gene region at 18q21.3.
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.
MALT (mucosa-associated lymphoid tissue) lymphomas occur at diverse anatomic sites and are closely linked to several distinct chronic inflammatory disorders. Up to 50% of the MALT lymphoma cases analyzed demonstrate MALT1 rearrangements. The MALT1 gene was originally identified by its involvement in the MALT lymphoma associated translocation t(11;18)(q21;q21). This rearrangement is detected in 30% of all cases of MALT lymphoma and leads to BIRC3-MALT1 fusions. It is restricted to MALT lymphomas and has not been detected in nodal or splenic marginal zone lymphomas, diffuse large B-cell lymphomas, or other non-Hodgkin lymphomas.
Approximately 20% of MALT lymphoma cases analyzed are characterized by t(14;18)(q32;q21) leading to a IGH-MALT1 fusion. This reciprocal translocation juxtaposes MALT1 to transcriptional enhancers in the IGH locus and results in overexpression of the MALT1 gene. The distinct breakpoints on both chromosomes are precisely defined. The oncogenic potential of MALT1 is linked to its participation in the activation of nuclear factor-kappa B (NF-κB). This important transcription factor mediates the expression of anti-apoptotic, cell survival- and proliferation-promoting genes. Furthermore, there is emerging evidence indicating an oncogenic cross-link between the above-mentioned genetic rearrangements and immunological stimulation occurring during the pathogenesis of MALT lymphoma.
Normal Cell:
Two green (2G) and two orange (2O) signals.
Aberrant Cell (typical results):
One green (1G), one orange (1O), and two green-orange colocalization/fusion signals (2GO) resulting from a reciprocal translocation between the relevant loci.
Faint green cross-hybridizations may be observed at 15q11.1 and 16q11.1 due to IGH pseudogenes.
Certificate of Analysis (CoA)
or go to CoA Database