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Related Experiment Video

Updated: Jul 18, 2026

Efficient Generation of Pancreas/Duodenum Homeobox Protein 1+ Posterior Foregut/Pancreatic Progenitors from hPSCs in Adhesion Cultures

Efficient Generation of Pancreas/Duodenum Homeobox Protein 1⁺ Posterior Foregut/Pancreatic Progenitors from hPSCs in Adhesion Cultures

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Cdx1 and cdx2 expression during intestinal development.

D G Silberg¹, G P Swain, E R Suh

¹Division of Gastroenterology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. silberg@mail.med.upenn.edu

Gastroenterology

|October 21, 2000

Summary

This study reveals distinct expression patterns for Cdx1 and Cdx2 during mouse intestinal development. Their differential localization along the crypt-villus axis suggests roles in patterning and differentiation.

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3D Culturing of Organoids from the Intestinal Villi Epithelium Undergoing Dedifferentiation

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Area of Science:

Developmental Biology
Gastroenterology
Molecular Biology

Background:

Intestine-specific transcription factors Cdx1 and Cdx2 are crucial for intestinal development, differentiation, and phenotype maintenance.
Understanding their complex expression patterns is key to elucidating their roles.

Purpose of the Study:

To analyze the intricate expression patterns of Cdx1 and Cdx2 during mouse gastrointestinal development.
To compare the spatiotemporal expression of Cdx1 and Cdx2 proteins.

Main Methods:

Immunohistochemistry was employed to detect Cdx1 and Cdx2 protein expression.
Analysis was performed on embryonic and postnatal mouse tissues of the developing intestinal tract.

Main Results:

Cdx2 protein expression initiated at 9.5 days postcoitum (pc); Cdx1 expression began weakly at 12.5 pc in the distal hindgut.
Cdx1 expression increased from 13.5 to 14.5 pc, primarily distally, during the endoderm/epithelial transition.
Cdx2 showed intense expression throughout most of the developing intestine, except distally, with low expression in the postnatal colon. A crypt-villus gradient was observed, with Cdx1 in crypts and Cdx2 on villi.

Conclusions:

Comparative analysis of Cdx1 and Cdx2 expression provides novel insights into their developmental functions.
Relative Cdx1 and Cdx2 expression may govern anterior-posterior patterning of the intestinal epithelium.
These factors likely play significant roles in regulating proliferation and differentiation along the crypt-villus axis.