XL TCL1 BA

Break Apart Probe

Order Number
D-5142-100-OG
Package Size
100 µl (10 Tests)
Labels
  
Chromosome
14
Regulatory Status
IVDR

IVDR Certification

This probe is IVDR-certified in compliance with the Regulation (EU) 2017/746 on in vitro diagnostic medical devices (IVDR). For organizational reasons, we currently provide only the IVDD product.

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Intended Purpose

The XL TCL1 BA break-apart probe is a qualitative, non-automated test for the detection of TCL1A/TCL1B-rearrangements at 14q32.1-32.2 by fluorescence in situ hybridization (FISH). The product is intended as a diagnostic aid and assists in disease monitoring. The test population consists of patients with confirmed or suspected T-cell prolymphocytic leukemia (T-PLL). Hybridization is to be performed on methanol/acetic-acid fixed cells derived from bone marrow or peripheral blood.

Product Description

The XL TCL1 BA break-apart probe consists of an orange-labeled probe hybridizing proximal to the TCL1A/TCL1B gene region at 14q32.1 and a green-labeled probe hybridizing distal to the TCL1A/TCL1B gene region at 14q32.1-14q32.2.

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Images

XL TCL1 BA

XL TCL1 BA hybridized to lymphocytes. One aberrant interphase nucleus with one fusion signal, and one separate orange and green signal is shown, representing a rearrangement with involvement of the TCL1 gene cluster.

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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 respective locus.

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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