Mechanics regulates fate decisions of human embryonic stem cells
Research on human embryonic stem cells (hESCs) has attracted much attention given their great potential for tissue regenerative therapy and fundamental developmental biology studies. Yet, there is still limited understanding of how mechanical signals in the local cellular microenvironment of hESCs r...
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description | Research on human embryonic stem cells (hESCs) has attracted much attention given their great potential for tissue regenerative therapy and fundamental developmental biology studies. Yet, there is still limited understanding of how mechanical signals in the local cellular microenvironment of hESCs regulate their fate decisions. Here, we applied a microfabricated micromechanical platform to investigate the mechanoresponsive behaviors of hESCs. We demonstrated that hESCs are mechanosensitive, and they could increase their cytoskeleton contractility with matrix rigidity. Furthermore, rigid substrates supported maintenance of pluripotency of hESCs. Matrix mechanics-mediated cytoskeleton contractility might be functionally correlated with E-cadherin expressions in cell-cell contacts and thus involved in fate decisions of hESCs. Our results highlighted the important functional link between matrix rigidity, cellular mechanics, and pluripotency of hESCs and provided a novel approach to characterize and understand mechanotransduction and its involvement in hESC function. |
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Yet, there is still limited understanding of how mechanical signals in the local cellular microenvironment of hESCs regulate their fate decisions. Here, we applied a microfabricated micromechanical platform to investigate the mechanoresponsive behaviors of hESCs. We demonstrated that hESCs are mechanosensitive, and they could increase their cytoskeleton contractility with matrix rigidity. Furthermore, rigid substrates supported maintenance of pluripotency of hESCs. Matrix mechanics-mediated cytoskeleton contractility might be functionally correlated with E-cadherin expressions in cell-cell contacts and thus involved in fate decisions of hESCs. Our results highlighted the important functional link between matrix rigidity, cellular mechanics, and pluripotency of hESCs and provided a novel approach to characterize and understand mechanotransduction and its involvement in hESC function.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0037178</identifier><identifier>PMID: 22615930</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Biology ; Biomechanics ; Biomedical engineering ; Cadherins - biosynthesis ; Cell Communication ; Cell Differentiation - physiology ; Contractility ; Cytoskeleton ; Cytoskeleton - physiology ; Decisions ; Developmental biology ; Dimethylpolysiloxanes ; E-cadherin ; Embryo cells ; Embryonic stem cells ; Embryonic Stem Cells - drug effects ; Embryonic Stem Cells - physiology ; Embryos ; Heterocyclic Compounds, 4 or More Rings - pharmacology ; Humans ; Insulin-like growth factors ; Kinases ; Laboratories ; Materials Science ; Mechanical engineering ; Mechanical stimuli ; Mechanics (physics) ; Mechanotransduction ; Mechanotransduction, Cellular - physiology ; Motility ; Nylons ; Octamer Transcription Factor-3 - biosynthesis ; Pluripotency ; Pluripotent Stem Cells - physiology ; Polymers ; Rigidity ; Rodents ; Stem cell research ; Stem cells ; Studies ; Substrates</subject><ispartof>PloS one, 2012-05, Vol.7 (5), p.e37178-e37178</ispartof><rights>COPYRIGHT 2012 Public Library of Science</rights><rights>2012 Sun et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>Sun et al. 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c758t-730a4cea026ce60dbc75b115ca6b252695b64c0d045cbdd657096601994176813</citedby><cites>FETCH-LOGICAL-c758t-730a4cea026ce60dbc75b115ca6b252695b64c0d045cbdd657096601994176813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3353896/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3353896/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,27901,27902,53766,53768,79343,79344</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22615930$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Lako, Majlinda</contributor><creatorcontrib>Sun, Yubing</creatorcontrib><creatorcontrib>Villa-Diaz, Luis G</creatorcontrib><creatorcontrib>Lam, Raymond H W</creatorcontrib><creatorcontrib>Chen, Weiqiang</creatorcontrib><creatorcontrib>Krebsbach, Paul H</creatorcontrib><creatorcontrib>Fu, Jianping</creatorcontrib><title>Mechanics regulates fate decisions of human embryonic stem cells</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Research on human embryonic stem cells (hESCs) has attracted much attention given their great potential for tissue regenerative therapy and fundamental developmental biology studies. Yet, there is still limited understanding of how mechanical signals in the local cellular microenvironment of hESCs regulate their fate decisions. Here, we applied a microfabricated micromechanical platform to investigate the mechanoresponsive behaviors of hESCs. We demonstrated that hESCs are mechanosensitive, and they could increase their cytoskeleton contractility with matrix rigidity. Furthermore, rigid substrates supported maintenance of pluripotency of hESCs. Matrix mechanics-mediated cytoskeleton contractility might be functionally correlated with E-cadherin expressions in cell-cell contacts and thus involved in fate decisions of hESCs. 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Yubing</au><au>Villa-Diaz, Luis G</au><au>Lam, Raymond H W</au><au>Chen, Weiqiang</au><au>Krebsbach, Paul H</au><au>Fu, Jianping</au><au>Lako, Majlinda</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanics regulates fate decisions of human embryonic stem cells</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2012-05-16</date><risdate>2012</risdate><volume>7</volume><issue>5</issue><spage>e37178</spage><epage>e37178</epage><pages>e37178-e37178</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Research on human embryonic stem cells (hESCs) has attracted much attention given their great potential for tissue regenerative therapy and fundamental developmental biology studies. Yet, there is still limited understanding of how mechanical signals in the local cellular microenvironment of hESCs regulate their fate decisions. Here, we applied a microfabricated micromechanical platform to investigate the mechanoresponsive behaviors of hESCs. We demonstrated that hESCs are mechanosensitive, and they could increase their cytoskeleton contractility with matrix rigidity. Furthermore, rigid substrates supported maintenance of pluripotency of hESCs. Matrix mechanics-mediated cytoskeleton contractility might be functionally correlated with E-cadherin expressions in cell-cell contacts and thus involved in fate decisions of hESCs. Our results highlighted the important functional link between matrix rigidity, cellular mechanics, and pluripotency of hESCs and provided a novel approach to characterize and understand mechanotransduction and its involvement in hESC function.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>22615930</pmid><doi>10.1371/journal.pone.0037178</doi><tpages>e37178</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Biology Biomechanics Biomedical engineering Cadherins - biosynthesis Cell Communication Cell Differentiation - physiology Contractility Cytoskeleton Cytoskeleton - physiology Decisions Developmental biology Dimethylpolysiloxanes E-cadherin Embryo cells Embryonic stem cells Embryonic Stem Cells - drug effects Embryonic Stem Cells - physiology Embryos Heterocyclic Compounds, 4 or More Rings - pharmacology Humans Insulin-like growth factors Kinases Laboratories Materials Science Mechanical engineering Mechanical stimuli Mechanics (physics) Mechanotransduction Mechanotransduction, Cellular - physiology Motility Nylons Octamer Transcription Factor-3 - biosynthesis Pluripotency Pluripotent Stem Cells - physiology Polymers Rigidity Rodents Stem cell research Stem cells Studies Substrates |
title | Mechanics regulates fate decisions of human embryonic stem cells |
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