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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Mesenchymal stem cell perspective: cell biology to clinical progress
Mark F. Pittenger,Dennis E. Discher,Bruno Péault,Donald G. Phinney,Joshua M. Hare,Arnold I. Caplan +5 more
TL;DR: The expansive and growing field of MSC research is teaching us basic human cell biology as well as how to use this type of cell for cellular therapy in a variety of clinical settings, and while much promise is evident, careful new work is still needed.
Journal ArticleDOI
TGF-Β1-induced migration of bone mesenchymal stem cells couples bone resorption with formation
Yi Tang,Xiangwei Wu,Xiangwei Wu,Xiangwei Wu,Weiqi Lei,Lijuan Pang,Lijuan Pang,Chao Wan,Zhenqi Shi,Ling Zhao,Tim R. Nagy,Xinyu Peng,Junbo Hu,Xu Feng,Wim Van Hul,Mei Wan,Xu Cao +16 more
TL;DR: It is shown using in vitro and in vivo models that active TGF-β1 released during bone resorption coordinates bone formation by inducing migration of bone marrow stromal cells, also known as bone mesenchymal stem cells, to theBone resorptive sites and that this process is mediated through a SMAD signaling pathway.
Journal ArticleDOI
Extracellular matrix and cell signalling: the dynamic cooperation of integrin, proteoglycan and growth factor receptor
TL;DR: This review focuses on the current understanding of integrins and heparan sulphate proteoglycans as the essential cellular machineries that sense, integrate and respond to the physical and chemical environmental information either by directly connecting with the local adhesion sites or by regulating global cellular processes through growth factor receptor signalling pathways, leading to the integration of both external and internal signals in space and time.
Organ Printing: Tissue Spheroids as Building Blocks
Vladimir Mironov,Jing Zhang,Carmine Gentile,K Brakke,Thomas C. Trusk,Karoly Jakab,Gabor Forgacs,Vladimirs Kasjanovs,Richard P. Visconti,Roger R. Markwald +9 more
TL;DR: Organ printing can be defined as layer-by-layer additive robotic biofabrication of three-dimensional functional living macrotissues and organ constructs using tissue spheroids as building blocks.
Journal ArticleDOI
Extracellular matrix dynamics in development and regenerative medicine.
TL;DR: Stem cell self-renewal and differentiation is influenced by the 3D environment within the stem cell niche, and the intimate dynamic relationship between cells and the ECM must be understood to ensure appropriate cell behavior.
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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