Results 71 to 80 of about 82,535 (276)

CCN1 induces oncostatin M production in osteoblasts via integrin-dependent signal pathways. [PDF]

open access: yesPLoS ONE, 2014
Inflammatory response and articular destruction are common symptoms of osteoarthritis. Cysteine-rich 61 (CCN1 or Cyr61), a secreted protein from the CCN family, is associated with the extracellular matrix involved in many cellular activities like growth ...
Cheng-Yu Chen   +5 more
doaj   +1 more source

Ceramic identity contributes to mechanical properties and osteoblast behavior on macroporous composite scaffolds. [PDF]

open access: yes, 2012
Implants formed of metals, bioceramics, or polymers may provide an alternative to autografts for treating large bone defects. However, limitations to each material motivate the examination of composites to capitalize on the beneficial aspects of ...
Genetos, Damian C   +4 more
core   +4 more sources

Hyperviscous Diabetic Bone Marrow Niche Impairs BMSCs Osteogenesis via TRPV2‐Mediated Cytoskeletal‐Nuclear Mechanotransduction

open access: yesAdvanced Science, EarlyView.
Diabetic bone marrow exhibits pathological ECM hyperviscosity that activates TRPV2‐mediated Ca2⁺ influx, leading to perinuclear F‐actin disassembly, nuclear deformation, and chromatin condensation. This cytoskeletal‐nuclear decoupling suppresses osteogenic differentiation of BMSCs.
Yao Wen   +8 more
wiley   +1 more source

Manifestation of osteoblastic phenotypes in the sarcomatous component of epithelial carcinoma and sarcomatoid carcinoma

open access: yesTumor Biology, 2017
Epithelial carcinomas occasionally have sarcomatous components that consist primarily of spindle and cuboidal cells, which often resemble osteoblasts. Sarcomatoid carcinomas consist of similar cells. Recent studies have characterized these phenomena as a
Yasutoshi Takashima   +7 more
doaj   +1 more source

Bioprinting of Microtissues Within Mechanically Tunable Support Baths to Engineer Anisotropic Musculoskeletal Tissues

open access: yesAdvanced Science, EarlyView.
This study presents a novel 4D bioprinting platform for engineering biomimetic musculoskeletal grafts. By tuning the mechanical properties of support baths, we enhance tissue fusion, collagen alignment, and cell differentiation. Using this strategy, we successfully fabricate scaled‐up, anisotropic tissues such as meniscus, articular cartilage, and ...
Francesca D. Spagnuolo   +2 more
wiley   +1 more source

Osteoblast ablation burns out functional stem cells [PDF]

open access: yesBlood, 2015
In this issue of Blood, Bowers et al report that osteoblasts maintain a subset of quiescent stem cells and that osteoblast ablation converts bone marrow into a proliferation-promoting environment for both normal and malignant stem cells.
Meng, Zhao, Linheng, Li
openaire   +2 more sources

The Osteoblastic Microenvironment Determines the Fate of Breast Cancer Cells Disseminated in the Bone Marrow

open access: yesAdvanced Science, EarlyView.
This study revealed how the osteoblastic microenvironment determines the fate of cancer cells disseminated in bone, with a focus on whether they colonize, reside in quiescence, or reactivate from dormancy. Targeting integrin signaling may offer promising strategies for preventing quiescent cancer cells reactivation and bone colonization.
Hong‐Li Wang   +7 more
wiley   +1 more source

Directing mesenchymal stem cells to bone to augment bone formation and increase bone mass. [PDF]

open access: yes, 2012
Aging reduces the number of mesenchymal stem cells (MSCs) that can differentiate into osteoblasts in the bone marrow, which leads to impairment of osteogenesis.
Guan, Min   +11 more
core   +1 more source

Dexamethasone suppresses Smad3 pathway in osteoblastic cells [PDF]

open access: yesJournal of Endocrinology, 2005
Central in the pathogenesis of glucocorticoid (GC)-induced osteoporosis is the effects of GC on bone formation. However, the mechanism of GC-inhibited bone formation is not well known. Transforming growth factor (TGF)-β is most abundant in bone matrix compared with other tissues, and we have recently proposed that Smad3, a TGF-β signaling molecule, is ...
Mei-Fway, Iu   +5 more
openaire   +2 more sources

Engineering Osteoimmune Responses with Functionalized Orthopedic Implants for Post‐Operative Osteosarcoma Treatment

open access: yesAdvanced Science, EarlyView.
Osteosarcoma is the most common primary bone tumor with limited treatment options and a terrible prognosis. This review provides a comprehensive summary of the recent development of osteoimmunomodulatory implants for post‐operative osteosarcoma treatment, of which the potential utility in evoking durable anti‐osteosarcoma immunity and accelerating bone
Yilong Dong   +6 more
wiley   +1 more source

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