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Updated: Jan 28, 2026

Generation of Murine Primary Colon Epithelial Monolayers from Intestinal Crypts
Published on: February 6, 2021
In Vitro Generation of Mouse Colon Crypts
Yuli Wang1, Dulan B Gunasekara1, Peter J Attayek2
1Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, United States.
Abstract:
Organoid culture has had a significant impact on in vitro studies of the intestinal epithelium; however, the exquisite architecture, luminal accessibility, and lineage compartmentalization found in vivo has not been recapitulated in the organoid systems. We have used a microengineered platform with suitable extracellular matrix contacts and stiffness to generate a self-renewing mouse colonic epithelium that replicates key architectural and physiological functions found in vivo, including a surface lined with polarized crypts. Chemical gradients applied to the basal-luminal axis compartmentalized the stem/progenitor cells and promoted appropriate lineage differentiation along the in vitro crypt axis so that the tissue possessed a crypt stem cell niche as well as a layer of differentiated cells covering the luminal surface. This new approach combining microengineered scaffolds, native chemical gradients, and biophysical cues to control primary epithelium ex vivo can serve as a highly functional and physiologically relevant in vitro tissue model.
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