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
Citations
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YAP and TAZ: a nexus for Hippo signaling and beyond.
TL;DR: The function of Yes-associated protein (YAP)/transcriptional coactivator with a PDZ-binding domain (TAZ) and their role as a signaling nexus and integrator of several other prominent signaling pathways such as the Wnt, G protein-coupled receptor (GPCR), epidermal growth factor (EGF), bone morphogenetic protein (BMP)/transforming growth factor beta, and Notch pathways are discussed.
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Moving from static to dynamic complexity in hydrogel design
TL;DR: Progress in polymer synthesis and processing has led to a new generation of dynamic systems that are capable of responding to artificial triggers and biological signals with spatial precision, which will open up new possibilities for the use of hydrogels as model biological structures and in tissue regeneration.
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The effects of hyaluronic acid hydrogels with tunable mechanical properties on neural progenitor cell differentiation
Stephanie K. Seidlits,Zin Z. Khaing,Rebecca R. Petersen,Jonathan D. Nickels,Jennifer E. Vanscoy,Jason B. Shear,Christine E. Schmidt +6 more
TL;DR: Results demonstrate that the mechanical properties of these scaffolds can assert a defining influence on the differentiation of ventral midbrain-derived NPCs, which have strong clinical relevance because of their ability to mature into dopaminergic neurons of the substantia nigra, cells that idiopathically degenerate in individuals suffering from Parkinson's disease.
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Polymer Scaffolds for Biomaterials Applications
TL;DR: This Perspective will emphasize polymers used in medicine and specifically those designed as scaffolds for use in tissue engineering and regenerative medicine.
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Tissue Stiffness Dictates Development, Homeostasis, and Disease Progression
TL;DR: The important role that matrix stiffness plays in dictating cell behavior during development, tissue homeostasis, and disease progression is reviewed.
References
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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.
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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.
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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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