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ImmunoFISH on Isolated Nuclei from Paraffin-Embedded Biopsy Material

  • Soo-Yong TanEmail author
  • Goran Mattsson
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 659)

Abstract

The detection of genetic abnormalities in paraffin sections by fluorescence in situ hybridization (FISH) is widely used in clinical practice to detect amplification of the ERB2 gene in breast carcinoma and various chromosomal translocations in lymphomas and soft tissue tumors. However, interpretation of FISH signals in tissue sections may be difficult due to overlapping nuclei and nuclear truncation artifacts. Some of these shortcomings may be avoided by the use of isolated nuclear preparations. However, identification of cell populations may be difficult in detached cells removed from their histological context. We have described an optimized immunoFISH technique on isolated nuclear suspension, which combines the benefits of studying isolated cells derived from paraffin embedded tissues by FISH analysis with the ability to detect cell lineage and other markers by immunofluorescence.

Key words

ImmunoFISH Isolated cells Paraffin block Chromosome paint FICTION Fluorescence in situ hybridization 

Notes

Acknowledgement

We would like to give our immense gratitude to the late Prof David Mason, Leukaemia Research Fund Immunodiagnostics Unit, Nuffield Department of Clinical Laboratory Sciences, University of Oxford, without whom this chapter would not have been possible.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Department of PathologySingapore General HospitalSingaporeSingapore
  2. 2.Dako A/SGlostropDenmark

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