PreprintCited by 28TGF-β signaling in diseasesDigestive system and related healthDevelopmental Biology and Gene Regulation

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Terminal differentiation of villus-tip enterocytes is governed by distinct members of Tgfβ superfamily

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Berková, Linda, Fazilaty, Hassan, Yang, Qiutan, Kubovčiak, Jan, Stastna, Monika, Hrckulak, Dusan, Vojtechova, Martina, Brügger, Michael David, Hausmann, George, Liberali, Prisca, Korinek, Vladimir, Basler, Konrad, Valenta, Tomas·2022·EMBO Reports

Preprint — published as 10.15252/embr.202256454

Abstract

The protective and absorptive functions of the intestinal epithelium rely on differentiated enterocytes in the villi. The differentiation of enterocytes is orchestrated by sub-epithelial mesenchymal cells producing distinct ligands along the villus axis, in particular Bmps and Tgfβ. Here we show that individual Bmp ligands and Tgfβ drive distinct enterocytic programs specific to villus zonation. Bmp4 is expressed mainly from the center to the upper part of the villus, and it activates preferentially genes connected to lipid uptake and metabolism. In contrast, Bmp2 is produced by villus-tip mesenchymal cells, and it influences the adhesive properties of villus-tip epithelial cells and the expression of immunomodulators. Hence, Bmp2 promotes the terminal enterocytic differentiation at the villus-tip. Additionally, Tgfβ induces epithelial gene expression programs similar to that triggered by Bmp2. The inhibition of Bmp receptor type I in vivo and using intestinal organoids lacking Smad4 revealed that Bmp2-driven villus-tip program is activated by a canonical Smad-dependent mechanism. Finally, we established an organoid cultivation system that enriches for villus-tip enterocytes and thereby better mimics the cellular composition of the intestinal epithelium. Altogether our data suggest that not only Bmp gradient, but also the activity of individual Bmp drives specific enterocytic programs.

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Metadata

Authors
Berková, L., Fazilaty, H., Yang, Q., Kubovčiak, J., Stastna, M., Hrckulak, D., Vojtechova, M., Brügger, M. D., Hausmann, G., Liberali, P., Korinek, V., Basler, K., & Valenta, T.
Affiliations
  • Czech Academy of Sciences (CZ)
  • University of Zurich (CH)
  • Chinese Academy of Sciences (CN)
  • Friedrich Miescher Institute (CH)
Corresponding author
Basler, Konrad
Venue
EMBO Reports
Publisher
openRxiv
Published
2022-11-12
Volume
24
Issue
9
Pages
e56454-e56454
ISSN
1469-221X (ISSN-L)
OpenAlex
W4385263797
Cited by
28
References
1
Citations by year
2026: 6 · 2025: 7 · 2024: 13 · 2023: 2
FWCI
2.50
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • EMBO Reports (publishedVersion, other-oa)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, cc-by-nc-nd)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, cc-by-nc-nd)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • National Science Foundation
  • European Commission (LX22NPO5102)
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
  • Grantová Agentura České Republiky (GA21-26025S)
  • NextGenerationEU
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
  • Health Sciences › Medicine › Gastroenterology › Digestive system and related health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
enterocyte differentiation, BMP signaling, TGF-beta superfamily, BMP4, BMP-2, Smad signaling, intestinal epithelium, lipid uptake, immunomodulators, epithelial cell adhesion, intestinal organoids, epithelial-mesenchymal interactions
MeSH terms
Cell Differentiation, Intestinal Mucosa, Ligands, Transforming Growth Factor beta, Bone Morphogenetic Proteins, Enterocytes

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