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Updated: Feb 4, 2026
11:27
Methods to Study Epithelial Transport Protein Function and Expression in Native Intestine and Caco-2 Cells Grown in 3D
Published on: March 16, 2017
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Hypothesis: Caco-2 cell rotational 3D mechanogenomic turing patterns have clinical implications to colon crypts
Gen Zheng1, Alexandr A Kalinin2,3, Ivo D Dinov2,3,4
1Division of Gastroenterology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan.
Journal of Cellular and Molecular Medicine
|September 27, 2018
Summary
Colon crypts exhibit Turing patterns driven by actomyosin forces, influencing cell and nucleus shape. This mechanogenomic process may explain stem cell differentiation in the colon epithelium.
Area of Science:
- Cell Biology
- Biophysics
- Developmental Biology
Background:
- Colon crypts serve as a model for mechanical and biochemical Turing patterns.
- Caco-2 cell monolayers display 2D Turing patterns through live cell imaging.
- Actomyosin forces play a role in altering cell, nucleus, and tissue morphology.
Purpose of the Study:
- To investigate the mechanogenomic processes underlying colon epithelial cell and tissue architecture.
- To explore the role of actomyosin dynamics in Caco-2 cell differentiation and patterning.
- To connect observed cellular behaviors to the 4D nucleome initiative.
Main Methods:
- Utilized live cell imaging of Caco-2 cell monolayers to analyze apical tight junction forces.
- Observed and analyzed actomyosin meshwork dynamics and their effect on cell morphology.
- Documented nuclear rotation and the formation of ring/torus-shaped genomes and fractal Turing patterns.
Main Results:
- Demonstrated 2D Turing patterns in Caco-2 cells, linked to actomyosin forces.
- Observed nucleus rotation driven by actomyosin during epithelial differentiation.
- Identified ring/torus-shaped genomes and spiral fractal Turing patterns, suggesting a gene morphogen motif.
Conclusions:
- Actomyosin-driven mechanogenomic processes are crucial for colon epithelial cell and tissue architecture.
- These findings offer insights into stem cell differentiation along the colon crypt axis.
- Mathematical and bioengineering models of these processes could advance precision medicine for gastrointestinal disorders.
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