XL FOXO1 BA

Break Apart Probe

Order Number
D-6034-100-OG
Package Size
100 µl (10 Tests)
Labels
  
Chromosome
13
Regulatory Status
IVDD

IVDR Certification

MetaSystems Probes has already certified a large part of its portfolio, according to IVDR. For organizational reasons, we currently provide only the IVDD product.

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Product Description

XL FOXO1 BA

XL FOXO1 BA consists of a green-labeled probe hybridizing proximal to the FOXO1 gene region at 13q14.1 and an orange-labeled probe hybridizing distal to the FOXO1 gene region at 13q14.1.

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

Rhabdomyosarcoma (RMS) is a relatively rare cancer type but it is the most common soft tissue sarcoma in children and adolescents. The histopathological classification includes several subtypes: embryonal rhabdomyosarcoma (ERMS) and alveolar rhabdomyosarcoma (ARMS) are the most common variants, in the order of their occurrence. ARMS is associated with a worse outcome and is characterized by the two reciprocal translocations t(2;13)(q35;q14) and t(1;13) (p36;q14), affecting the FOXO1 gene region and PAX3 or PAX7 respectively, in about 80% of cases. The result is an in-frame fusion of the PAX DNA binding domain with the transcriptional active domain of FOXO1 generating a highly potent chimeric activator for PAX target genes. Patients harboring FOXO1-PAX3/7 fusions have an inferior event-free survival compared to patients without translocation, suggesting that the molecular status in RMS provides valuable prognostic information.

Clinical Applications

  • Solid Tumors (Solid Tumors)
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Images

XL FOXO1 BA

XL FOXO1 hybridized to lymphocytes. Two normal interphases are shown.

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Expected Patterns

Expected Pattern 1

Normal Cell:
Two green-orange colocalization/fusion signals (2GO).

Expected Pattern 2

Aberrant Cell (typical results):
One green-orange colocalization/fusion signal (1GO), one separate green (1G) and orange (1O) signal each resulting from a chromosome break in the relevant locus.

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Literature

  • McManus et al (1996) J Pathol 178:410–414
  • Barr (2001) Oncogene 20:5736-5746
  • Skapek et al (2013) Pediatr Blood Cancer 60:1411-1417

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News

IVDR Certification

MetaSystems Probes has received IVDR certification for our initial 26 fluorescence in situ hybridization (FISH) probes from the notified body, BSI. Achieving this milestone was not without its challenges, and we are delighted to have accomplished IVDR certification for this probe set at an early stage.

IVDR Certification

New Probes Catalog is Online!

 

MetaSystems Probes is pleased to announce the new catalog including new and innovative products and supporting information. A PDF version of the new catalog is available for download here.

New Probes Catalog is Online!