Related Experiment Video
Updated: May 17, 2026

05:27
An Intestinal Gut Organ Culture System for Analyzing Host-Microbiota Interactions
Published on: June 30, 2021
Analysis of tissue interactions in ectodermal organ culture
Pauliina M Munne1, Katja Närhi, Frederic Michon
1Institute of Biotechnology, University of Helsinki, Helsinki, Finland.
Methods in Molecular Biology (Clifton, N.J.)
|October 26, 2012
Summary
Two organ culture methods, hanging drop and Trowell-type, facilitate studying skin and tooth development. These techniques help analyze signaling molecule roles in epithelial-mesenchymal interactions during organogenesis.
Area of Science:
- Developmental Biology
- Regenerative Medicine
- Organogenesis Research
Background:
- Ectodermal organ morphogenesis relies on epithelial-mesenchymal interactions.
- Conserved signaling molecules orchestrate these developmental processes.
- Understanding these interactions is key to advancing organogenesis research.
Purpose of the Study:
- To present two effective organ culture methods for studying skin and tooth development.
- To enable detailed analysis of signaling molecule functions in morphogenesis.
- To provide tools for investigating epithelial-mesenchymal interactions.
Main Methods:
- Hanging drop method for short-term culture of small explants.
- Trowell-type method for long-term culture of variable-sized explants.
- Utilizing GFP-reporter mice for visualizing morphogenetic changes and analyzing gene expression via in situ hybridization or qRT-PCR.
Main Results:
- Demonstrated the utility of both hanging drop and Trowell-type methods for organ culture.
- Showcased the Trowell-type method's adaptability for tissue recombination and signal manipulation.
- Enabled observation of signaling molecule effects on morphogenesis and gene expression.
Conclusions:
- Organ culture methods are powerful tools for studying organogenesis.
- The presented methods offer versatile approaches for dissecting signaling pathways in skin and tooth development.
- These techniques advance the understanding of epithelial-mesenchymal interactions in developmental biology.

