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FUS Breakapart Probe

Catalogue Numbers
LPS 050-S (5 tests)
LPS 050 (10 tests)

Probe Specification

  • FUS, 16p11.2, Red
  • FUS, 16p11.2, Green

The FUS Breakapart probe consists of one 502kb probe labelled in green, situated distal to the FUS gene and covering markers SHGC-58827 and D16S2660, and three probes (189kb, 160kb and 96kb) labelled in red, situated proximal to the FUS gene and covering markers SHGC-110391 and D16S2933E.

Probe Information

The FUS (FUS RNA binding protein) gene at 16p11.2 is a member of the FET family of protein-encoding genes, closely-related to the EWSR1 (EWS RNA binding protein 1) gene1.

Recurrent rearrangements involving the FUS gene with a number of different partner genes have been reported in various types of neoplastic disease, notably soft tissue sarcomas and acute myeloid leukaemia. In some tumour types FUS and EWSR1 may replace each other as fusion partners2.

In soft tissue sarcoma, approximately 90% of cases of myxoid liposarcoma are characterised by the presence of a FUS-DDIT3 rearrangement arising from a t(12;16)(q13;p11) translocation3,4; the FUS-CREB3L1 and the FUS-CREB3L2 fusions, resulting from t(11;16) (p11;p11) and t(7;16)( q32-34;p11) translocations respectively are characteristic of low-grade fibromyxoid sarcoma5, whereas the t(12;16)(q13;p11) translocation resulting in a FUS-ATF1 fusion gene is seen in angiomatoid fibrous histiocytoma6.

This breakapart probe has been designed to allow detection of FUS rearrangements regardless of the partner gene involved.

It was very important for us to have more consistent results with our probes — easy-to-read bright signals and a range of vial sizes, which is much more cost-effective. It also was critical to upgrade our pretreatment kit to expedite the analysis of FFPE samples. We can now complete the process in about 90 minutes. Janet M. Cowan, PhD, Director of the Cytogenetics Laboratory at Tufts Medical Center


1. Göransson, M. et al., Oncogene 2009. 28:270–278

2. Andersson, M.K. et al., BMC cell biology 2008. 9:37

3. Willeke, M. et al., Clin Cancer Res. 1998. 4:1779–1784

4. Panagopoulos, I. et al., Cancer Research 1994. 54:6500–6503

5. Mertens, F. et al., Laboratory investigation 2005. 85:408-15

6. Tanas, M.R. et al., Modern pathology 2010. 23:93–7

Microscope Images

FUS Breakapart Probe magnified
Area of Interest*


This product is intended to be used on formalin-fixed paraffin-embedded (FFPE) tissues.

*Disease information supported by the literature and is not a reflection of the intended purpose of this product.