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Improved Swiss-rolling Technique for Intestinal Tissue Preparation for Immunohistochemical and Immunofluorescent Analyses
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Cradles for maturation: Turning progenitor cells into functional intestinal epithelium
Kaustav Bera1, Kristi S Anseth1
1Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA; BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA.
Cell Stem Cell
|March 8, 2026
Summary
Tissue shape is crucial for intestinal epithelium maturation, a process regulated by the mechanotransduction protein YAP. A novel method effectively matures fetal intestinal cells in vitro, surpassing traditional culture limitations.
Area of Science:
- Developmental biology
- Cell biology
- Tissue engineering
Background:
- The intestinal epithelium undergoes significant maturation from fetal to adult states.
- This transition involves complex cellular and structural changes.
- Understanding the regulatory mechanisms is key for regenerative medicine.
Purpose of the Study:
- To investigate the role of tissue shape in intestinal epithelial maturation.
- To identify key molecular mediators of this developmental process.
- To develop an improved in vitro method for generating mature intestinal epithelium.
Main Methods:
- Utilized a novel in vitro culture system to control tissue shape.
- Investigated the involvement of the mechanotransduction protein YAP.
- Assessed cellular differentiation and functional maturation markers.
Main Results:
- Demonstrated that specific tissue shapes are essential for intestinal epithelial maturation.
- Confirmed YAP as a critical mediator in shape-dependent epithelial development.
- The novel method successfully generated mature, functional intestinal cells in vitro.
Conclusions:
- Tissue shape plays a critical role in directing intestinal epithelial maturation.
- YAP-mediated mechanotransduction is a key pathway in this process.
- The developed in vitro method offers a promising approach for studying intestinal development and disease modeling.
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