E-cadherin and APC compete for the interaction with beta-catenin and the cytoskeleton - PubMed (original) (raw)

E-cadherin and APC compete for the interaction with beta-catenin and the cytoskeleton

J Hülsken et al. J Cell Biol. 1994 Dec.

Abstract

beta-Catenin is involved in the formation of adherens junctions of mammalian epithelia. It interacts with the cell adhesion molecule E-cadherin and also with the tumor suppressor gene product APC, and the Drosophila homologue of beta-catenin, armadillo, mediates morphogenetic signals. We demonstrate here that E-cadherin and APC directly compete for binding to the internal, armadillo-like repeats of beta-catenin; the NH2-terminal domain of beta-catenin mediates the interaction of the alternative E-cadherin and APC complexes to the cytoskeleton by binding to alpha-catenin. Plakoglobin (gamma-catenin), which is structurally related to beta-catenin, mediates identical interactions. We thus show that the APC tumor suppressor gene product forms strikingly similar associations as found in cell junctions and suggest that beta-catenin and plakoglobin are central regulators of cell adhesion, cytoskeletal interaction, and tumor suppression.

PubMed Disclaimer

Similar articles

Cited by

References

    1. Cell. 1990 Dec 21;63(6):1167-76 - PubMed
    1. Cell Adhes Commun. 1994 Jan;1(4):295-305 - PubMed
    1. Cell. 1991 May 31;65(5):849-57 - PubMed
    1. Cell. 1991 Jul 12;66(1):107-19 - PubMed
    1. Cell. 1991 Aug 9;66(3):451-64 - PubMed

MeSH terms

Substances

LinkOut - more resources