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The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Wnt/β-Catenin Is Essential for Intestinal Homeostasis and Maintenance of Intestinal Stem Cells

Open access
Fevr, Tea, Robine, Sylvie, Louvard, Daniel, Huelsken, Joerg·2007·Molecular and Cellular Biology

Abstract

The Wnt signaling pathway is deregulated in over 90% of human colorectal cancers. beta-Catenin, the central signal transducer of the Wnt pathway, can directly modulate gene expression by interacting with transcription factors of the TCF/LEF family. In the present study we investigate the role of Wnt signaling in the homeostasis of intestinal epithelium by using tissue-specific, inducible beta-catenin gene ablation in adult mice. Block of Wnt/beta-catenin signaling resulted in rapid loss of transient-amplifying cells and crypt structures. Importantly, intestinal stem cells were induced to terminally differentiate upon deletion of beta-catenin, resulting in a complete block of intestinal homeostasis and fatal loss of intestinal function. Transcriptional profiling of mutant crypt mRNA isolated by laser capture microdissection confirmed those observations and allowed us to identify genes potentially responsible for the functional preservation of intestinal stem cells. Our data demonstrate an essential requirement of Wnt/beta-catenin signaling for the maintenance of the intestinal epithelium in the adult organism. This challenges attempts to target aberrant Wnt signaling as a new therapeutic strategy to treat colorectal cancer.

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Crossref · 10.1128/mcb.01034-07

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Metadata

Authors
Fevr, T., Robine, S., Louvard, D., & Huelsken, J.
Venue
Molecular and Cellular Biology
Published
2007-11-01
Volume
27
Issue
21
Pages
7551-7559
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2165087323
Cited by
649
References
42
FWCI
7.06
Type
journal article
Language
en
Open access
green

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