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Cited by 534

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

E-cadherin binding prevents β-catenin nuclear localization and β-catenin/LEF-1-mediated transactivation

Orsulic, Sandra, Huber, Otmar, Aberle, Hermann, Arnold, Sebastian, Kemler, Rolf·1999·Journal of Cell Science

Abstract

β-catenin is a multifunctional protein found in three cell compartments: the plasma membrane, the cytoplasm and the nucleus. The cell has developed elaborate ways of regulating the level and localization of β-catenin to assure its specific function in each compartment. One aspect of this regulation is inherent in the structural organization of β-catenin itself; most of its protein-interacting motifs overlap so that interaction with one partner can block binding of another at the same time. Using recombinant proteins, we found that E-cadherin and lymphocyte-enhancer factor-1 (LEF-1) form mutually exclusive complexes with β-catenin; the association of β-catenin with LEF-1 was competed out by the E-cadherin cytoplasmic domain. Similarly, LEF-1 and adenomatous polyposis coli (APC) formed separate, mutually exclusive complexes with β-catenin. In Wnt-1-transfected C57MG cells, free β-catenin accumulated and was able to associate with LEF-1. The absence of E-cadherin in E-cadherin−/− embryonic stem (ES) cells also led to an accumulation of free β-catenin and its association with LEF-1, thereby mimicking Wnt signaling. β-catenin/LEF-1-mediated transactivation in these cells was antagonized by transient expression of wild-type E-cadherin, but not of E-cadherin lacking the β-catenin binding site. The potent ability of E-cadherin to recruit β-catenin to the cell membrane and prevent its nuclear localization and transactivation was also demonstrated using SW480 colon carcinoma cells.

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Crossref · 10.1242/jcs.112.8.1237

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Metadata

Authors
Orsulic, S., Huber, O., Aberle, H., Arnold, S., & Kemler, R.
Venue
Journal of Cell Science
Published
1999-04-15
Volume
112
Issue
8
Pages
1237-1245
ISSN
  • 0021-9533 (ISSN-L)
  • 1477-9137
OpenAlex
W2118252933
Cited by
534
References
3
FWCI
6.74
Type
journal article
Language
en
Open access
closed

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