Linked Life Data

10462524

Source:http://linkedlifedata.com/resource/pubmed/id/10462524

Statements in which the resource exists.
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pubmed-article:10462524pubmed:abstractTextEzrin, radixin, moesin and merlin form a subfamily of conserved proteins in the band 4.1 superfamily. The function of these proteins is to link the plasma membrane to the actin cytoskeleton. Merlin is defective or absent in schwannomas and meningiomas and has been suggested to function as a tumour suppressor. In this study, we have examined the role of ezrin as a potential regulator of the adhesive and invasive behaviour of tumour cells. We have shown that following inhibition of ezrin expression in colo-rectal cancer cells using antisense oligonucleotides, these cells displayed a reduced cell-cell adhesiveness together with a gain in their motile and invasive behaviour. These cells also displayed increased spreading over matrix-coated surfaces. Immunofluorescence studies revealed that antisense-treated cells also displayed an increased staining of paxillin in areas representing focal adhesions. Furthermore, coprecipitation studies revealed an association of ezrin with E-cadherin and beta-catenin. Induction of the phosphorylation of ezrin by orthovanadate and hepatocyte growth factor/scatter factor resulted in changes similar to those seen with antisense treatment, together with a marked decrease in the association of ezrin with both beta-catenin and E-cadherin. It is concluded that ezrin regulates cell-cell and cell-matrix adhesion, by interacting with cell adhesion molecules E-cadherin and beta-catenin, and may thus play an important role in the control of adhesion and invasiveness of cancer cells.lld:pubmed
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pubmed-article:10462524pubmed:authorpubmed-author:JiangW GWGlld:pubmed
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pubmed-article:10462524pubmed:articleTitleEzrin regulates cell-cell and cell-matrix adhesion, a possible role with E-cadherin/beta-catenin.lld:pubmed
pubmed-article:10462524pubmed:affiliationMetastasis Research Group, University Department of Surgery, University of Wales College of Medicine, Heath Park, Cardiff CF14 4XN, UK. jiangw@cf.ac.uklld:pubmed
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