Abstract
The last decade has seen an impressive expansion of our understanding of the role of osteocytes in skeletal homeostasis. These amazing cells, deeply embedded into the mineralized matrix, are the key regulators of bone homeostasis and skeletal mechano-sensation and transduction. They are the cells that can sense mechanical forces applied to the bone and then translate these forces into biological responses. They are also ideally positioned to detect and respond to hormonal stimuli and to coordinate the function of osteoblasts and osteoclasts through the production and secretion of molecules such as Sclerostin and RANKL. How osteocytes perceive mechanical forces and translate them into biological responses in still an active area of investigation. Novel “in vitro” models as well the opportunity to study these cells under microgravity condition, will allow a closer look at the molecular and cellular mechanisms of mechano-transduction. This article highlights investigations on osteocytes and discusses their significance in our understanding of skeletal mechano-transduction.
Keywords: Osteocytes, mechano-transduction and microgravity.
Current Biotechnology
Title:Osteocyte biology and space flight
Volume: 2 Issue: 3
Author(s): Paola Divieti Pajevic, Jordan M Spatz, Jenna Garr, Chris Adamson and Lowell Misener
Affiliation:
Keywords: Osteocytes, mechano-transduction and microgravity.
Abstract: The last decade has seen an impressive expansion of our understanding of the role of osteocytes in skeletal homeostasis. These amazing cells, deeply embedded into the mineralized matrix, are the key regulators of bone homeostasis and skeletal mechano-sensation and transduction. They are the cells that can sense mechanical forces applied to the bone and then translate these forces into biological responses. They are also ideally positioned to detect and respond to hormonal stimuli and to coordinate the function of osteoblasts and osteoclasts through the production and secretion of molecules such as Sclerostin and RANKL. How osteocytes perceive mechanical forces and translate them into biological responses in still an active area of investigation. Novel “in vitro” models as well the opportunity to study these cells under microgravity condition, will allow a closer look at the molecular and cellular mechanisms of mechano-transduction. This article highlights investigations on osteocytes and discusses their significance in our understanding of skeletal mechano-transduction.
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Cite this article as:
Pajevic Divieti Paola, Spatz M Jordan, Garr Jenna, Adamson Chris and Misener Lowell, Osteocyte biology and space flight, Current Biotechnology 2013; 2 (3) . https://dx.doi.org/10.2174/22115501113029990017
DOI https://dx.doi.org/10.2174/22115501113029990017 |
Print ISSN 2211-5501 |
Publisher Name Bentham Science Publisher |
Online ISSN 2211-551X |
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