Matrix elasticity directs stem cell lineage specification.
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TLDR
Naive mesenchymal stem cells are shown here to specify lineage and commit to phenotypes with extreme sensitivity to tissue-level elasticity, consistent with the elasticity-insensitive commitment of differentiated cell types.About:
This article is published in Cell.The article was published on 2006-08-25 and is currently open access. It has received 12204 citations till now. The article focuses on the topics: Mesenchymal stem cell differentiation & Stem cell fate determination.read more
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Complexity in biomaterials for tissue engineering
TL;DR: The molecular and physical information coded within the extracellular milieu is informing the development of a new generation of biomaterials for tissue engineering, and exciting developments are likely to help reconcile the clinical and commercial pressures on tissue engineering.
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Designing Cell-Compatible Hydrogels for Biomedical Applications
TL;DR: Hydrogels, which consist of highly water swollen cross-linked polymer networks, can now be made with a range of chemistries and a combination of physical and chemical cross-links, finding use in a wide range of applications, including tissue engineering and drug delivery.
Journal ArticleDOI
Photodegradable Hydrogels for Dynamic Tuning of Physical and Chemical Properties
April M. Kloxin,Andrea M. Kasko,Andrea M. Kasko,Chelsea N. Salinas,Chelsea N. Salinas,Kristi S. Anseth,Kristi S. Anseth +6 more
TL;DR: A strategy to create photodegradable poly(ethylene glycol)–based hydrogels through rapid polymerization of cytocompatible macromers for remote manipulation of gel properties in situ is reported.
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Hydrogels with tunable stress relaxation regulate stem cell fate and activity
Ovijit Chaudhuri,Ovijit Chaudhuri,Ovijit Chaudhuri,Luo Gu,Luo Gu,Darinka D. Klumpers,Darinka D. Klumpers,Darinka D. Klumpers,Max Darnell,Max Darnell,Sidi A. Bencherif,Sidi A. Bencherif,James C. Weaver,Nathaniel Huebsch,Hong-pyo Lee,Evi Lippens,Evi Lippens,Georg N. Duda,David J. Mooney,David J. Mooney +19 more
TL;DR: It is found that cell spreading, proliferation, and osteogenic differentiation of mesenchymal stem cells (MSCs) are all enhanced in cells cultured in gels with faster relaxation, highlighting stress relaxation as a key characteristic of cell-ECM interactions and as an important design parameter of biomaterials for cell culture.
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Mechanotransduction and extracellular matrix homeostasis
TL;DR: Progress towards understanding the molecular, cellular and tissue-level effects that promote mechanical homeostasis has helped to identify key questions for future research.
References
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Journal ArticleDOI
Multilineage Potential of Adult Human Mesenchymal Stem Cells
Mark F. Pittenger,Alastair Morgan Mackay,Stephen C. Beck,Rama K. Jaiswal,Robin Douglas,Joseph D. Mosca,Mark Aaron Moorman,Donald William Jr. Ward Road Simonetti,Stewart Craig,Daniel R. Marshak +9 more
TL;DR: Adult stem cells isolated from marrow aspirates of volunteer donors could be induced to differentiate exclusively into the adipocytic, chondrocytic, or osteocytic lineages.
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Tissue Cells Feel and Respond to the Stiffness of Their Substrate
TL;DR: An understanding of how tissue cells—including fibroblasts, myocytes, neurons, and other cell types—sense matrix stiffness is just emerging with quantitative studies of cells adhering to gels with which elasticity can be tuned to approximate that of tissues.
Journal ArticleDOI
CellProfiler: image analysis software for identifying and quantifying cell phenotypes
Anne E. Carpenter,Thouis R. Jones,Michael R. Lamprecht,Colin Clarke,In Han Kang,Ola Friman,David A. Guertin,Joo Han Chang,Robert A. Lindquist,Jason Moffat,Polina Golland,David M. Sabatini +11 more
TL;DR: The first free, open-source system designed for flexible, high-throughput cell image analysis, CellProfiler is described, which can address a variety of biological questions quantitatively.
Journal ArticleDOI
Cell shape, cytoskeletal tension, and rhoa regulate stem cell lineage commitment
TL;DR: It is demonstrated that cell shape regulates commitment of human mesenchymal stem cells to adipocyte or osteoblast fate and mechanical cues experienced in developmental and adult contexts, embodied by cell shape, cytoskeletal tension, and RhoA signaling, are integral to the commitment of stem cell fate.
Journal ArticleDOI
Myofibroblasts and mechano-regulation of connective tissue remodelling
TL;DR: It is clear that the understanding of the myofibroblast — its origins, functions and molecular regulation — will have a profound influence on the future effectiveness not only of tissue engineering but also of regenerative medicine generally.
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