منابع مشابه
Regulation of Bone Metabolism
Bone is formed through the processes of endochondral and intramembranous ossification. In endochondral ossification primary mesenchymal cells differentiate to chondrocytes and then are progressively substituted by bone, while in intramembranous ossification mesenchymal stem cells (MSCs) differentiate directly into osteoblasts to form bone. The steps of osteogenic proliferation, differentiation,...
متن کاملTerminating Wnt signals
Nuclear targeting of beta-catenin is an obligatory step in Wnt signal transduction, but the factors that control import and export remain to be clarified. In this issue, Hendriksen et al. (p. 785) show that the RanBP3 export factor antagonizes beta-catenin/T cell factor (TCF) transcription by targeting the signaling-competent form of beta-catenin. We speculate that cells may use multiple export...
متن کاملregulation of bone metabolism
bone is formed through the processes of endochondral and intramembranous ossification. in endochondral ossification primary mesenchymal cells differentiate to chondrocytes and then are progressively substituted by bone, while in intramembranous ossification mesenchymal stem cells (mscs) differentiate directly into osteoblasts to form bone. the steps of osteogenic proliferation, differentiation,...
متن کاملWnt Signaling in Bone
Wnt signaling is involved not only in embryonic development but also in maintenance of homeostasis in postnatal tissues. Multiple lines of evidence have increased understanding of the roles of Wnt signaling in bone since mutations in the LRP5 gene were identified in human bone diseases. Canonical Wnt signaling promotes mesenchymal progenitor cells to differentiate into osteoblasts. The canonica...
متن کاملThe importance of WNT pathways for bone metabolism and their regulation by implant topography.
Endosseous implants are important tools to replace missing teeth or damaged tissue segments. Their clinical success depends on their integration in bone and, thus, on the response of bone cells to material and surface characteristics. Recent evidence has shown that surface topography and chemistry affect WNT signalling, a pivotal pathway for the commitment of mesenchymal progenitors to the oste...
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ژورنال
عنوان ژورنال: The Journal of Physical Fitness and Sports Medicine
سال: 2014
ISSN: 2186-8131,2186-8123
DOI: 10.7600/jpfsm.3.341