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A model for mechanotransduction in bone cells: The load-bearing mechanosomes

http://cat.inist.fr
Year of publication: 
2003
Journal name: 
Journal of Cellular Biochemistry
The skeleton's response to mechanical force, or load, has significance to space travel, the treatment of osteoporosis, and orthodontic appliances. How bone senses and processes load remains largely unknown. The cellular basis of mechanotransduction, however, likely involves the integration of diffusion-controlled signaling pathways with a solid-state scaffold linking the cell I membrane to the genes. Read more »
0

Mechanotransduction: All Signals Point to Cytoskeleton, Matrix, and Integrins

http://stke.sciencemag.org
Year of publication: 
2002
Journal name: 
Science STKE
Mechanical stresses modulate cell function by either activating or tuning signal transduction pathways. Mechanotransduction, the process by which cells convert mechanical stimuli into a chemical response, occurs both in cells specialized for sensing mechanical cues and in parenchymal cells whose primary function is not mechanosensory. However, common among the various responses to mechanical stress is the importance of direct or indirect connections between the internal cytoskeleton, the extracellular matrix (ECM), and traditional signal transducing molecules. Read more »
jkliu's picture
Created by jkliu 2 years 6 weeks ago
Category: Cell Mechanotransduction   Tags:
0

Cellular automata for polymer simulation with application to polymer melts and polymer collapse including implications for protein folding

http://www.sciencedirect.com
Year of publication: 
2001
Journal name: 
Parallel Computing
Cellular automata can be designed that allow the simulation of a large variety of polymer problems including isolated polymers in dilute solution, polymers in high density melts and polymers embedded in media. The two-space algorithm is a particularly efficient algorithm for polymer simulation that is easy to implement and generalize on both conventional serial hardward and Cellular Automaton (CA) Machines. We describe the implementation of this algorithm and two applications: two dimensions (2-D) melts and polymer collapse. Read more »
jamali's picture
Created by jamali 2 years 27 weeks ago
Category: Other   Tags:
0

Model-based analysis of interferon-β induced signaling pathway

http://bioinformatics.oxfordjournals.org Interferon-β induced JAK-STAT signaling pathways contribute to mucosal immune recognition and an anti-viral state. Though the main molecular mechanisms constituting these pathways are known, neither the detailed structure of the regulatory network, nor its dynamics has yet been investigated. Read more »
jamali's picture
Created by jamali 2 years 28 weeks ago
Category: Nuclear Pore Complex   Tags:
0

Mechanotransduction pathways in bone: calcium fluxes and the role of voltage-operated calcium channels

http://www.springerlink.com
Year of publication: 
1998
Journal name: 
Mechanical and Biological Engineering and Computing
Changes in strain distribution across the vertebrate skeleton induce modelling and remodelling of bone structure. This relationship, like many in biomedical science, has been recognised since the 1800s, but it is only the recent development of in vivo and in vitro models that is allowing detailed investigation of the cellular mechanisms involved. A number of secondary messenger pathways have been implicated in load transduction by bone cells, and many of these pathways are similar to those proposed for other load-responsive cell types. Read more »
rjr's picture
Created by rjr 2 years 6 weeks ago
Category: Other   Tags:
1

Mechanotransduction in Single Cardiac Myocyte Studied Using Laser Tweezers and FRET

http://www.sciencedirect.com
Year of publication: 
2009
Journal name: 
Biophysical Society
Deletion or mutation of a variety of proteins localized at cell-matrix and cell-cell junctions, such as vinculin and its splice-variant metavinculin, can lead to dilated cardiomyopathy in mice and humans, leading some to hypothesize that these molecules are involved in mechanotransmission or mechanotransduction in the heart. To investigate cardiac mechanotransduction mechanisms in single cells, we have combined laser tweezers with a fluorescence resonance energy transfer (FRET) biosensor to apply localized forces and probe localized signaling events in isolated mouse ventricular myocytes. Read more »
esoohoo's picture
Created by esoohoo 2 years 6 weeks ago
Category: Cardiovascular   Tags:
1

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Signal transduction pathways involved in mechanotransduction in bone cells

http://linkinghub.elsevier.com
Year of publication: 
2006
Journal name: 
Biochemical and Biophysical Research Communications 349 (2006) 1–5
Several in vivo and in vitro studies with different loading regimens showed that mechanical stimuli have an influence on proliferation and differentiation of bone cells. Prerequisite for this influence is the transduction of mechanical signals into the cell, a phenomenon that is termed mechanotransduction, which is essential for the maintenance of skeletal homeostasis in adults. Read more »
1

Collagen-Based Mechanical Anisotropy of the Tectorial Membrane: Implications for Inter-Row Coupling of Outer Hair Cell Bundles

http://www.plosone.org
Year of publication: 
2009
Journal name: 
PLoS ONE
Background: The tectorial membrane (TM) in the mammalian cochlea displays anisotropy, where mechanical or structural properties differ along varying directions. The anisotropy arises from the presence of collagen fibrils organized in fibers of ~1 µm diameter that run radially across the TM. Mechanical coupling between the TM and the sensory epithelia is required for normal hearing. However, the lack of a suitable technique to measure mechanical anisotropy at the microscale level has hindered understanding of the TM's precise role. Methodology/Principal Findings: Read more »
dorothy_tulanont's picture
Created by dorothy_tulanont 2 years 6 weeks ago
Category: Mechanosensors in Sensory Cells   Tags:
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