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10.1016/j.bpj.2014.05.041 http://scihub22266oqcxt.onion/10.1016/j.bpj.2014.05.041 C4104045!4104045!25028874     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=25028874&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Biophys+J 2014 ; 107 (2): 324-35 Nephropedia Template TP {{tp|p=25028874|t=2014. Mechanical Checkpoint For Persistent Cell Polarization In Adhesion-Naive Fibroblasts |pdf=|usr=}}{{25028874}} gab.com Text Mechanical Checkpoint For Persistent Cell Polarization In Adhesion-Naive Fibroblasts JO: Biophys J http://www.kidney.de/pget.php?&tw=1&pmid=25028874 #FOAvip Cell polarization is a fundamental biological process implicated in nearly every aspect of multicellular development. The role of cell-extracellular matrix contacts in the establishment and the orientation of cell polarity have been extensively studied. However, the respective contributions of substrate mechanics and biochemistry remain unclear. Here we propose a believed novel single-cell approach to assess the minimal polarization trigger. Using nonadhered round fibroblast cells, we show that stiffness sensing through single localized integrin-mediated cues are necessary and sufficient to trigger and direct a shape polarization. In addition, the traction force developed by cells has to reach a minimal threshold of 56 ± 1.6 pN for persistent polarization. The polarization kinetics increases with the stiffness of the cue. The polarized state is characterized by cortical actomyosin redistribution together with cell shape change. We develop a physical model supporting the idea that a local and persistent inhibition of actin polymerization and/or myosin activity is sufficient to trigger and sustain the polarized state. Finally, the cortical polarity propagates to an intracellular polarity, evidenced by the reorientation of the centrosome. Our results define the minimal adhesive requirements and quantify the mechanical checkpoint for persistent cell shape and organelle polarization, which are critical regulators of tissue and cell development. Twit Text FOAVip Mechanical Checkpoint For Persistent Cell Polarization In Adhesion-Naive Fibroblasts ????Biophys J http://www.kidney.de/pget.php?&tw=1&pmid=25028874 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=25028874 #FOAvip English Wikipedia <ref>{{Cite pmid|25028874}}</ref> Mechanical Checkpoint For Persistent Cell Polarization In Adhesion-Naive Fibroblasts #MMPMID25028874 Bun P; Liu J; Turlier H; Liu Z; Uriot K; Joanny JF; Coppey-Moisan M Biophys J 2014[Jul]; 107 (2): 324-35 PMID25028874show ga Cell polarization is a fundamental biological process implicated in nearly every aspect of multicellular development. The role of cell-extracellular matrix contacts in the establishment and the orientation of cell polarity have been extensively studied. However, the respective contributions of substrate mechanics and biochemistry remain unclear. Here we propose a believed novel single-cell approach to assess the minimal polarization trigger. Using nonadhered round fibroblast cells, we show that stiffness sensing through single localized integrin-mediated cues are necessary and sufficient to trigger and direct a shape polarization. In addition, the traction force developed by cells has to reach a minimal threshold of 56 ± 1.6 pN for persistent polarization. The polarization kinetics increases with the stiffness of the cue. The polarized state is characterized by cortical actomyosin redistribution together with cell shape change. We develop a physical model supporting the idea that a local and persistent inhibition of actin polymerization and/or myosin activity is sufficient to trigger and sustain the polarized state. Finally, the cortical polarity propagates to an intracellular polarity, evidenced by the reorientation of the centrosome. Our results define the minimal adhesive requirements and quantify the mechanical checkpoint for persistent cell shape and organelle polarization, which are critical regulators of tissue and cell development. äMechanical Checkpoint For Persistent Cell Polarization In Adhesion-Nai(epmc).pdf DeepDyve Pubget Overpricing