Zinc-Based Fixation for High-Sensitivity In Situ Hybridization: A Nonradioactive Colorimetric Method for the Detection of Rare Transcripts on Tissue Sections

  • Electra Stylianopoulou
  • George Skavdis
  • Maria GrigoriouEmail author
Part of the Methods in Molecular Biology book series (MIMB, volume 1211)


Nonradioactive colorimetric in situ hybridization (NoRISH) has been widely applied to analyze gene expression at the single-cell level. Zinc fixation is time efficient and provides excellent tissue morphology. Furthermore, it improves the preservation of the RNA, facilitating the detection of rare transcripts or the identification of expressing cells scattered within a tissue. Here we present a rapid, highly sensitive NoRISH method that uses a zinc-salt-based fixative and is especially suitable for the study of genes expressed at low levels and/or in a small number of cells within a structure.

Key words

Zinc-based fixation Colorimetric in situ hybridization Cryo-tissue sections mRNA 


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Electra Stylianopoulou
    • 1
  • George Skavdis
    • 1
  • Maria Grigoriou
    • 1
    Email author
  1. 1.Department of Molecular Biology and GeneticsDemocritus University of ThraceAlexandroupolisGreece

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