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Osteogenic differentiation of mesenchymal stem cells is regulated by osteocyte and osteoblast cells in a simplified bone niche
(AO Research Institute Davos, 2012)
Mesenchymal stem cells (MSCs) within their native environment of the stem cell niche in bone receive biochemical stimuli from surrounding cells. These stimuli likely influence how MSCs differentiate to become bone precursors. ...
Investigation of the optimal timing for chondrogenic priming of MSCs to enhance osteogenic differentiation in vitro as a bone tissue engineering strategy
(Wiley, 2013-08-07)
Recent in vitro tissue engineering approaches have shown that
chondrogenic priming of human bone marrow mesenchymal stem cells (MSCs)
can have a positive effect on osteogenesis in vivo. However, whether
chondrogenic ...
Primary cilia exist in a small fraction of cells in trabecular bone and marrow
(Springer, 2014-11-15)
Primary cilia are potent mechanical and chemical sensory organelles in cells of bone lineage in tissue culture. Cell culture experiments suggest that primary cilia sense fluid flow and this stimulus is translated through ...
The effect of substrate stiffness, thickness, and cross-linking density on osteogenic cell behavior
(Biophysical Society, 2015-04-07)
Osteogenic cells respond to mechanical changes in their environment by altering their spread area, morphology, and gene expression profile. In particular, the bulk modulus of the substrate, as well as its microstructure ...
Differential β3 and β1 integrin expression in bone marrow and cortical bone of estrogen deficient rats
(Wiley, 2015-08-12)
Integrin-based (beta(3)) attachments to the extracellular matrix (ECM) on osteocyte cell processes have recently been proposed to play an important role in facilitating osteocyte mechanosensation. However, it is not yet ...
Thermally induced osteocyte damage initiates a remodelling signaling cascade
(Public Library of Science, 2015-03-18)
Thermal elevations experienced by bone during orthopaedic procedures, such as cutting and drilling, exothermal reactions from bone cement, and thermal therapies such as tumor ablation, can result in thermal damage leading ...
Effects of in vitro endochondral priming and pre-vascularisation of human MSC cellular aggregates in vivo
(2015)
Introduction: During endochondral ossification, both the production of a cartilage template and the subsequent vascularisation of that template are essential precursors to bone tissue formation. Recent studies have found ...
Osteocyte differentiation and the formation of an interconnected cellular network in vitro
(AO Research Institute Davos, 2016-05-26)
Extracellular matrix (ECM) stiffness and cell density can regulate osteoblast differentiation in two dimensional environments. However, it is not yet known how osteoblast-osteocyte differentiation is regulated within a 3D ...