A mechanically active heterotypic E-cadherin/N-cadherin adhesion enables fibroblasts to drive cancer cell invasion

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Abstract

Cancer-associated fibroblasts (CAFs) promote metastasis by creating tracks for cancer cell migration. Labernadie et al. now show that heterotypic adhesions between E-cadherin on cancer cells and N-cadherin on CAFs transmit forces to drive invasion.

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Most cited references 21

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Molecular characterization of the tumor microenvironment in breast cancer.

Minna Allinen, Rameen Beroukhim, Li Cai … (2004)

Here we describe the comprehensive gene expression profiles of each cell type composing normal breast tissue and in situ and invasive breast carcinomas using serial analysis of gene expression. Based on these data, we determined that extensive gene expression changes occur in all cell types during cancer progression and that a significant fraction of altered genes encode secreted proteins and receptors. Despite the dramatic gene expression changes in all cell types, genetic alterations were detected only in cancer epithelial cells. The CXCL14 and CXCL12 chemokines overexpressed in tumor myoepithelial cells and myofibroblasts, respectively, bind to receptors on epithelial cells and enhance their proliferation, migration, and invasion. Thus, chemokines may play a role in breast tumorigenesis by acting as paracrine factors.

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alpha-Catenin as a tension transducer that induces adherens junction development.

Shigenobu Yonemura, Yuko Wada, Toshiyuki WATANABE … (2010)

Adherens junctions (AJs), which are organized by adhesion proteins and the underlying actin cytoskeleton, probably sense pulling forces from adjacent cells and modulate opposing forces to maintain tissue integrity, but the regulatory mechanism remains unknown at the molecular level. Although the possibility that alpha-catenin acts as a direct linker between the membrane and the actin cytoskeleton for AJ formation and function has been minimized, here we show that alpha-catenin recruits vinculin, another main actin-binding protein of AJs, through force-dependent changes in alpha-catenin conformation. We identified regions in the alpha-catenin molecule that are required for its force-dependent binding of vinculin by introducing mutant alpha-catenin into cells and using in vitro binding assays. Fluorescence recovery after photobleaching analysis for alpha-catenin mobility and the existence of an antibody recognizing alpha-catenin in a force-dependent manner further supported the notion that alpha-catenin is a tension transducer that translates mechanical stimuli into a chemical response, resulting in AJ development.

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Cell adhesion. The minimal cadherin-catenin complex binds to actin filaments under force.

C Buckley, J. Tan, K L Anderson … (2014)

Linkage between the adherens junction (AJ) and the actin cytoskeleton is required for tissue development and homeostasis. In vivo findings indicated that the AJ proteins E-cadherin, β-catenin, and the filamentous (F)-actin binding protein αE-catenin form a minimal cadherin-catenin complex that binds directly to F-actin. Biochemical studies challenged this model because the purified cadherin-catenin complex does not bind F-actin in solution. Here, we reconciled this difference. Using an optical trap-based assay, we showed that the minimal cadherin-catenin complex formed stable bonds with an actin filament under force. Bond dissociation kinetics can be explained by a catch-bond model in which force shifts the bond from a weakly to a strongly bound state. These results may explain how the cadherin-catenin complex transduces mechanical forces at cell-cell junctions. Copyright © 2014, American Association for the Advancement of Science.

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Journal

Title: Nature Cell Biology

Abbreviated Title: Nat Cell Biol

Publisher: Springer Nature

ISSN (Print): 1465-7392

ISSN (Electronic): 1476-4679

Publication date Created: February 20 2017

Publication date (Print): February 20 2017

Volume: 19

Issue: 3

Pages: 224-237

Article

DOI: 10.1038/ncb3478

PMC ID: 5831988

PubMed ID: 28218910

SO-VID: 34de783f-a1e9-4c59-bdac-9f950f483217

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A mechanically active heterotypic E-cadherin/N-cadherin adhesion enables fibroblasts to drive cancer cell invasion

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Most cited references 21

Molecular characterization of the tumor microenvironment in breast cancer.

alpha-Catenin as a tension transducer that induces adherens junction development.

Cell adhesion. The minimal cadherin-catenin complex binds to actin filaments under force.

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