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Nat Cell Biol. 2002 Jun;4(6):408-15.

ROCK and Dia have opposing effects on adherens junctions downstream of Rho.

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  • 1Cancer Research UK Centre for Cell and Molecular Biology, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK.

Abstract

Adherens junctions (AJs) are crucial for maintaining the integrity of epithelial tissues and are often disrupted during tumour progression. Rho family proteins have been shown to regulate adherens junctions. We find that activation of the effector kinase ROCK and acto-myosin contraction disrupts AJs downstream of Rho. In contrast, signalling through the Rho effector Dia1 is required to ensure a dynamically stable interface between cells and the maintenance of adherens junction complexes. The ability of Dia1 to regulate the actin network is crucial for the localization of adherens junction components to the cell periphery.

PMID:
11992112
[PubMed - indexed for MEDLINE]
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