期刊
TISSUE & CELL
卷 75, 期 -, 页码 -出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.tice.2022.101730
关键词
Lacunar-canalicular network; Fluid flow; Bone mechanotransduction; Osteocyte; Age-related change
Lacunar-canalicular (LC) permeability and fluid flow-shear stress/drag force play important roles in mechanotransduction in bone tissue by inducing mechanical stimuli in osteocytes, modulating cellular functions, and determining bone adaptation. Alterations in LC structure may affect the ability of osteocytes to sense and translate mechanical signals, potentially contributing to bone remodelling. This review discusses recent studies on LC networks, their formation and transfer of mechanical stimuli, and changes in structure, functional permeability, and mechanotransduction resulting from age, pathology, and mechanical loading. Applications of vibration and low-intensity pulsed ultrasound in bone healthcare and regeneration fields are also presented.
Lacunar-canalicular (LC) permeability involves the passage of fluids, nutrients, oxygen, ions, and signalling molecules through bone tissue, facilitating the maintenance of bone vitality and function and responses to various physiological conditions and diseases. LC permeability and fluid flow-shear stress/drag force play important roles in mechanotransduction in bone tissue by inducing mechanical stimuli in osteocytes, modulating cellular functions, and determining bone adaptation. Alterations in LC structure may therefore influence the fluid flow pattern through the LC network, thereby affecting the ability of osteocytes to sense and translate mechanical signals and possibly contributing to bone remodelling. Several bone-health conditions are associated with changes in LC structure and function and may affect mechanotransduction and responses, although the mechanisms underlying these associations are still not fully understood. In this review, recent studies of LC networks, their formation and transfer mechanical stimuli, and changes in structure, functional permeability, and mechanotransduction that result from age, pathology, and mechanical loading are discussed. Additionally, applications of vibration and low-intensity pulsed ultrasound in bone healthcare and regeneration fields are also presented.
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