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Cited by 1,036

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Negative Feedback Loop of Wnt Signaling through Upregulation of Conductin/Axin2 in Colorectal and Liver Tumors

Open access
Lustig, Barbara, Jerchow, Boris, Sachs, Martin, Weiler, Sigrid, Pietsch, Torsten, Karsten, Uwe, van de Wetering, Marc, Clevers, Hans, Schlag, Peter M., Birchmeier, Walter, Behrens, Jürgen·2002·Molecular and Cellular Biology

Abstract

Activation of Wnt signaling through beta-catenin/TCF complexes is a key event in the development of various tumors, in particular colorectal and liver tumors. Wnt signaling is controlled by the negative regulator conductin/axin2/axil, which induces degradation of beta-catenin by functional interaction with the tumor suppressor APC and the serine/threonine kinase GSK3beta. Here we show that conductin is upregulated in human tumors that are induced by beta-catenin/Wnt signaling, i.e., high levels of conductin protein and mRNA were found in colorectal and liver tumors but not in the corresponding normal tissues. In various other tumor types, conductin levels did not differ between tumor and normal tissue. Upregulation of conductin was also observed in the APC-deficient intestinal tumors of Min mice. Inhibition of Wnt signaling by a dominant-negative mutant of TCF downregulated conductin but not the related protein, axin, in DLD1 colorectal tumor cells. Conversely, activation of Wnt signaling by Wnt-1 or dishevelled increased conductin levels in MDA MB 231 and Neuro2A cells, respectively. In time course experiments, stabilization of beta-catenin preceded the upregulation of conductin by Wnt-1. These results demonstrate that conductin is a target of the Wnt signaling pathway. Upregulation of conductin may constitute a negative feedback loop that controls Wnt signaling activity.

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Crossref · 10.1128/mcb.22.4.1184-1193.2002

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Metadata

Authors
Lustig, B., Jerchow, B., Sachs, M., Weiler, S., Pietsch, T., Karsten, U., van de Wetering, M., Clevers, H., Schlag, P. M., Birchmeier, W., & Behrens, J.
Venue
Molecular and Cellular Biology
Published
2002-02-01
Volume
22
Issue
4
Pages
1184-1193
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2112763851
Cited by
1,036
References
4
FWCI
9.18
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Negative Feedback Loop of Wnt Signaling through Upregulation of Conductin/Axin2 in Colorectal and Liver Tumors. https://app.cochat.ai/papers/10.1128/mcb.22.4.1184-1193.2002
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Lustig, B., Jerchow, B., Sachs, M., Weiler, S., Pietsch, T., Karsten, U., van de Wetering, M., Clevers, H., Schlag, P. M., Birchmeier, W., & Behrens, J. (2002). Negative Feedback Loop of Wnt Signaling through Upregulation of Conductin/Axin2 in Colorectal and Liver Tumors. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.22.4.1184-1193.2002

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.