Title : Defining the function of beta-catenin tyrosine phosphorylation in cadherin-mediated cell-cell adhesion.

Pub. Date : 2008 Jan

PMID : 18173748






5 Functional Relationships(s)
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1 Defining the function of beta-catenin tyrosine phosphorylation in cadherin-mediated cell-cell adhesion. Tyrosine catenin beta 1 Homo sapiens
2 Beta-catenin is a key protein in cadherin-catenin cell adhesion complex and its tyrosine phosphorylation is believed to cause destruction of junctional apparatus. Tyrosine catenin beta 1 Homo sapiens
3 To directly evaluate the effect of beta-catenin tyrosine phosphorylation in cell adhesion, we utilized F9 cells in which expression of endogenous beta-catenin and its closely related protein plakoglobin were completely shut down. Tyrosine catenin beta 1 Homo sapiens
4 We show that beta-catenin with phosphorylation mutation at 654th tyrosine forms functional cadherin-catenin complex to mediate strong cadherin-mediated cell adhesion. Tyrosine catenin beta 1 Homo sapiens
5 We also demonstrate that tyrosine phosphorylation of beta-catenin might regulate cadherin-mediated cell adhesion in a more complicated way than previously expected. Tyrosine catenin beta 1 Homo sapiens