Molecular diagnostics: techniques and recommendations for 1p/19q assessment

Author:

Woehrer Adelheid1,Hainfellner Johannes A1

Affiliation:

1. Institute of Neurology, Medical University of Vienna, Währinger Gürtel 18–20, 1090 Vienna, Austria

Abstract

Several morphology- and polymerase chain reaction (PCR)-based methods for chromosome 1p 19q deletion status assessment are available. Important prerequisites for all molecular techniques concern tissue quality and selection of regions of interest. The most common methods for diagnostic 1p 19q assessment are fluorescence in situ hybridization and PCR-based microsatellite analysis. While the latter requires the use of autologous blood samples, more advanced techniques such as array comparative genomic hybridization, multiplex ligation-dependent probe amplification or real-time PCR are independent from autologous DNA samples. However, due to high technical demand and experience required their applicability as diagnostic tests remains to be shown. On the other hand, chromogenic in situ hybridization evolves as attractive alternative to FISH. Herein, the available test methods are reviewed and outlined, their advantages and drawbacks being discussed in detail.

Publisher

Future Medicine Ltd

Subject

General Medicine

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