Three-dimensional analysis of single molecule FISH in human colon organoids

Manja Omerzu, Nicola Fenderico, Buys De Barbanson, Joep Sprangers, Jeroen De Ridder, Madelon M. Maurice*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The culturing of mini-organs (organoids) in three-dimensions (3D) presents a simple and powerful tool to investigate the principles underlying human organ development and tissue self-organization in both healthy and diseased states. Applications of single molecule analysis are highly informative for a comprehensive understanding of the complexity underlying tissue and organ physiology. To fully exploit the potential of single molecule technologies, the adjustment of protocols and tools to 3D tissue culture is required. Single molecule RNA fluorescence in situ hybridization (smFISH) is a robust technique for visualizing and quantifying individual transcripts. In addition, smFISH can be employed to study splice variants, fusion transcripts as well as transcripts of multiple genes at the same time. Here, we develop a 3-day protocol and validation method to perform smFISH in 3D in whole human organoids.We provide a number of applications to exemplify the diverse possibilities for the simultaneous detection of distinctmRNAtranscripts, evaluation of their spatial distribution and the identification of divergent cell lineages in 3D in organoids.

Original languageEnglish
Article numberbio042812
JournalBiology Open
Volume8
Issue number8
DOIs
Publication statusPublished - 9 Aug 2019

Keywords

  • Differentiation
  • Human organoids
  • Smfish
  • Stem cells
  • Transcription

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