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Wnt Ligands as a Part of the Stem Cell Niche in the Intestine and the Liver


Degirmenci, Bahar; Hausmann, George; Valenta, Tomas; Basler, Konrad (2018). Wnt Ligands as a Part of the Stem Cell Niche in the Intestine and the Liver. Progress in molecular biology and translational science, 153:1-19.

Abstract

The term "Wnt signaling" does not refer to one uniform signal transduction cascade. Instead, it describes the multiple discrete signals elicited by Wnt ligands following their interaction with distinct receptor complexes. The interaction of stem cells with niche cells is coordinated by the involvement of different signaling pathways, including Wnt signaling. The stem cell populations are highly sensitive to modulation of Wnt pathway activity. Wnt signaling is of paramount importance for stem cell self-renewal, survival, proliferation, differentiation, movement, and cell polarity. Aberrant activation of Wnt/β-catenin signaling is associated with the pathology of many types of cancer, such as colorectal cancer and hepatocellular carcinoma. Importantly, although often initiated by mutation(s) downstream of the Wnt-receptor complex, the progression of colorectal cancer still seems to be augmented by Wnt ligand-mediated signaling. This chapter focuses on the role of Wnt ligands in the intestine and the liver during homeostasis and cancer.

Abstract

The term "Wnt signaling" does not refer to one uniform signal transduction cascade. Instead, it describes the multiple discrete signals elicited by Wnt ligands following their interaction with distinct receptor complexes. The interaction of stem cells with niche cells is coordinated by the involvement of different signaling pathways, including Wnt signaling. The stem cell populations are highly sensitive to modulation of Wnt pathway activity. Wnt signaling is of paramount importance for stem cell self-renewal, survival, proliferation, differentiation, movement, and cell polarity. Aberrant activation of Wnt/β-catenin signaling is associated with the pathology of many types of cancer, such as colorectal cancer and hepatocellular carcinoma. Importantly, although often initiated by mutation(s) downstream of the Wnt-receptor complex, the progression of colorectal cancer still seems to be augmented by Wnt ligand-mediated signaling. This chapter focuses on the role of Wnt ligands in the intestine and the liver during homeostasis and cancer.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Molecular Life Sciences
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:8 January 2018
Deposited On:15 May 2018 13:57
Last Modified:16 May 2018 07:29
Publisher:Elsevier
ISSN:1877-1173
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/bs.pmbts.2017.11.011
PubMed ID:29389513

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