Preparation of Cells from Formalin‐Fixed, Paraffin‐Embedded Tissue for Use in Fluorescence In Situ Hybridization (FISH) Experiments. (20th January 2015)

• Record Type: Journal Article
• Authors: Weremowicz, Stanislawa
• Editors: Haines, Jonathan L.; Korf, Bruce R.; Morton, Cynthia C.; Seidman, Christine E.; Seidman, J.G.; Smith, Douglas R.
• Is Part Of: Current protocols in human genetics. Volume 84(2015)
• Page Start: 8.8.1
• Page End: 8.8.10
• Publication Date: 2015-01-20
• Subjects: interphase cytogenetics -- FISH -- archived tissue; Human genetics -- Laboratory manuals; Genetic Techniques; Human genetics; Laboratory manuals; 599.935028
• DOI: 10.1002/0471142905.hg0808s84
• Languages: English
• ISSNs: 1934-8258

Abstract

Abstract: Numerical and structural chromosome abnormalities can be accurately detected in cells from archived tissues using fluorescence in situ hybridization (FISH). This unit describes two common approaches to performing FISH in formalin‐fixed, paraffin‐embedded tissue. The first approach utilizes 4 to 6 μm tissue sections in cases for which preserving tissue morphology is necessary, and the second involves extraction of intact nuclei from 50‐μm tissue sections. To interpret FISH results using 4 to 6 μm sections, an adequate number of nuclei must be evaluated to perform statistical analysis. Evaluation of 30 to 50 nuclei from the single‐cell suspension generally gives an interpretable result. © 2015 by John Wiley & Sons, Inc.