Results 1 to 10 of about 31,027 (248)

Targeting ferroptosis suppresses osteocyte glucolipotoxicity and alleviates diabetic osteoporosis

open access: yesBone Research, 2022
Diabetic osteoporosis (DOP) is the leading complication continuously threatening the bone health of patients with diabetes. A key pathogenic factor in DOP is loss of osteocyte viability. However, the mechanism of osteocyte death remains unclear. Here, we
Yiqi Yang, Zhifeng Yu, Shengbing Yang
exaly   +3 more sources

Neuronal Induction of Bone‐Fat Imbalance through Osteocyte Neuropeptide Y

open access: yesAdvanced Science, 2021
A differentiation switch of bone marrow mesenchymal stem/stromal cells (BMSCs) from osteoblasts to adipocytes contributes to age‐ and menopause‐associated bone loss and marrow adiposity.
Chun-Yuan Chen, Yi-Wei Liu, Kun Xia
exaly   +3 more sources

Inflammatory macrophages interrupt osteocyte maturation and mineralization via regulating the Notch signaling pathway

open access: yesMolecular Medicine, 2022
Background It is well-known that both macrophages and osteocytes are critical regulators of osteogenesis and osteoclastogenesis, yet there is limited understanding of the macrophage-osteocyte interaction, and how their crosstalk could affect bone ...
Shengfang Wang   +5 more
doaj   +2 more sources

Control of osteocyte dendrite formation by Sp7 and its target gene osteocrin

open access: yesNature Communications, 2021
Some osteoblasts embed within bone matrix, change shape, and become dendrite-bearing osteocytes. The circuitry that drives dendrite formation during “osteocytogenesis” is poorly understood.
Courtney M Mazur   +2 more
exaly   +2 more sources

Osteocyte-Related Cytokines Regulate Osteoclast Formation and Bone Resorption

open access: yesInternational Journal of Molecular Sciences, 2020
The process of bone remodeling is the result of the regulated balance between bone cell populations, namely bone-forming osteoblasts, bone-resorbing osteoclasts, and the osteocyte, the mechanosensory cell type.
Hideki Kitaura   +2 more
exaly   +2 more sources

Disrupted osteocyte connectivity and pericellular fluid flow in bone with aging and defective TGF-β signaling

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2021
Significance Bone fragility increases with age as the result of the concurrent decline of bone mass, quality, and mechanosensitivity. While the coordinated decline of these behaviors remains unexplained, the role of osteocytes in each of these processes ...
Charles A Schurman   +2 more
exaly   +2 more sources

Cell-fate decision of mesenchymal stem cells toward osteocyte differentiation is committed by spheroid culture

open access: yesScientific Reports, 2021
Osteocytes are mechanosensory commander cells to regulate bone remodeling throughout the lifespan. While the osteocytes are known as terminally differentiated cells derived from mesenchymal stem cells, the detailed mechanisms of osteocyte differentiation
Jeonghyun Kim, Taiji Adachi
doaj   +2 more sources

Osteocyte apoptosis: the roles and key molecular mechanisms in resorption-related bone diseases

open access: yesCell Death and Disease, 2020
Vital osteocytes have been well known to function as an important orchestrator in the preservation of robustness and fidelity of the bone remodeling process.
J. Ru, Yan-fen Wang
exaly   +2 more sources

Osteocyte β1 integrin loss causes low bone mass and impairs bone mechanotransduction in mice

open access: yesJournal of Orthopaedic Translation, 2022
Background: The key focal adhesion protein β1 integrin plays an essential role in early skeletal development. However, roles of β1 integrin expression in osteocytes during the regulation of bone homeostasis and mechanotransduction are incompletely ...
Lei Qin   +14 more
doaj   +2 more sources

A FAK/HDAC5 signaling axis controls osteocyte mechanotransduction

open access: yesNature Communications, 2020
Osteocytes, cells ensconced within mineralized bone matrix, are the primary skeletal mechanosensors. Osteocytes sense mechanical cues by changes in fluid flow shear stress (FFSS) across their dendritic projections.
Murat Cetinbas   +2 more
exaly   +2 more sources

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