Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/82328
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dc.contributor.authorSamuel, M.-
dc.contributor.authorLopez, J.-
dc.contributor.authorMcGhee, E.-
dc.contributor.authorCroft, D.-
dc.contributor.authorStrachan, D.-
dc.contributor.authorTimpson, P.-
dc.contributor.authorMunro, J.-
dc.contributor.authorSchroder, E.-
dc.contributor.authorZhou, J.-
dc.contributor.authorBrunton, V.-
dc.contributor.authorBarker, N.-
dc.contributor.authorClevers, H.-
dc.contributor.authorSansom, O.-
dc.contributor.authorAnderson, K.-
dc.contributor.authorWeaver, V.-
dc.contributor.authorOlson, M.-
dc.date.issued2011-
dc.identifier.citationCancer Cell, 2011; 19(6):776-791-
dc.identifier.issn1535-6108-
dc.identifier.issn1878-3686-
dc.identifier.urihttp://hdl.handle.net/2440/82328-
dc.description.abstractTumors and associated stroma manifest mechanical properties that promote cancer. Mechanosensation of tissue stiffness activates the Rho/ROCK pathway to increase actomyosin-mediated cellular tension to re-establish force equilibrium. To determine how actomyosin tension affects tissue homeostasis and tumor development, we expressed conditionally active ROCK2 in mouse skin. ROCK activation elevated tissue stiffness via increased collagen. β-catenin, a key element of mechanotranscription pathways, was stabilized by ROCK activation leading to nuclear accumulation, transcriptional activation, and consequent hyperproliferation and skin thickening. Inhibiting actomyosin contractility by blocking LIMK or myosin ATPase attenuated these responses, as did FAK inhibition. Tumor number, growth, and progression were increased by ROCK activation, while ROCK blockade was inhibitory, implicating actomyosin-mediated cellular tension and consequent collagen deposition as significant tumor promoters.-
dc.description.statementofresponsibilityMichael S. Samuel, Jose I. Lopez, Ewan J. McGhee, Daniel R. Croft, David Strachan, Paul Timpson, June Munro, Ewald Schröder, Jing Zhou, Valerie G. Brunton, Nick Barker, Hans Clevers, Owen J. Sansom, Kurt I. Anderson, Valerie M. Weaver, and Michael F. Olson-
dc.language.isoen-
dc.publisherCell Press-
dc.rights© 2011 Elsevier Inc.-
dc.source.urihttp://dx.doi.org/10.1016/j.ccr.2011.05.008-
dc.subjectEpidermis-
dc.subjectCells, Cultured-
dc.subjectAnimals-
dc.subjectHumans-
dc.subjectMice-
dc.subjectPapilloma-
dc.subjectSkin Neoplasms-
dc.subjectHyperplasia-
dc.subjectActomyosin-
dc.subjectSignal Transduction-
dc.subjectCell Proliferation-
dc.subjectbeta Catenin-
dc.subjectrho-Associated Kinases-
dc.subjectBiomechanical Phenomena-
dc.titleActomyosin-mediated cellular tension drives increased tissue stiffness and B-catenin activation to induce interfollicular epidermal hyperplasia and tumor growth-
dc.typeJournal article-
dc.identifier.doi10.1016/j.ccr.2011.05.008-
pubs.publication-statusPublished-
dc.identifier.orcidSamuel, M. [0000-0001-7880-6379]-
Appears in Collections:Aurora harvest
Molecular and Biomedical Science publications

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