Document Detail


Influence of focal adhesion kinase on the mechanical behavior of cell populations.
MedLine Citation:
PMID:  23726908     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Mechanical forces play an important role in the organization, growth, maturation, and function of living tissues. At the cellular level, the transmission of forces from outside the cell through cell-matrix and cell-cell contacts are believed to control spreading, motility, maturation as well as intracellular signaling cascades that may change many characteristics in cells. We looked at cell populations of mouse embryonic fibroblasts that are deficient of focal adhesion kinase (FAK) and examined their mechanical profile. We observed that the lack of FAK induces a mesenchymal-epithelial switch including the regulation of adherens junctions via E-cadherin, leading to increased cell-cell-cohesion. Our results show that the absence of FAK influences the macroscopic cell colony spreading in two (2D) and three (3D) dimensions as well as the velocity fields of the tissue, the single cell persistence and correlation length, changing from an independent to a collective mode of migration. Additionally, the single cell size in the sheet decreases significantly.
Authors:
Givennamejanina Surnamelange; Givennamevera Surnameauernheimer; Givennamepamela L Surnamestrissel; Givennamewolfgang H Surnamegoldmann
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-5-30
Journal Detail:
Title:  Biochemical and biophysical research communications     Volume:  -     ISSN:  1090-2104     ISO Abbreviation:  Biochem. Biophys. Res. Commun.     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-6-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372516     Medline TA:  Biochem Biophys Res Commun     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013. Published by Elsevier Inc.
Affiliation:
Center for Medical Physics and Technology, Biophysics Group, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany.
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