Results 11 to 20 of about 33,920 (248)

Chondrocytes Transdifferentiate into Osteoblasts in Endochondral Bone during Development, Postnatal Growth and Fracture Healing in Mice [PDF]

open access: yesPLoS Genetics, 2014
One of the crucial steps in endochondral bone formation is the replacement of a cartilage matrix produced by chondrocytes with bone trabeculae made by osteoblasts. However, the precise sources of osteoblasts responsible for trabecular bone formation have
Benoit de Crombrugghe, William T Norton
exaly   +2 more sources

Osteoarthritis-Induced Metabolic Alterations of Human Hip Chondrocytes

open access: yesBiomedicines, 2022
Osteoarthritis (OA) alters chondrocyte metabolism and mitochondrial biology. We explored whether OA and non-OA chondrocytes show persistent differences in metabolism and mitochondrial function and different responsiveness to cytokines and cAMP modulators.
Annett Eitner   +7 more
doaj   +1 more source

The hypertrophic chondrocyte: To be or not to be.

open access: yesHistology and histopathology, 2021
Hypertrophic chondrocytes are the master regulators of endochondral ossification; however, their ultimate cell fates cells remain largely elusive due to their transient nature. Historically, hypertrophic chondrocytes have been considered as the terminal state of growth plate chondrocytes, which are destined to meet their inevitable demise at the ...
Hallett, Shawn A.   +2 more
openaire   +2 more sources

The Potential of Pulsed Low Intensity Ultrasound to stimulate Chondrocytes in a 3D Model System [PDF]

open access: yes, 2009
PhDPulsed low intensity ultrasound (PLIUS) is used clinically to accelerate fracture healing. although the mode of action is unclear. However studies suggest that PLIUS may stimulate endochondral ossification and consequently PLIUS may also be ...
Vaughan, Natalie Marlene
core   +4 more sources

Combination of chondrocytes and chondrons improves extracellular matrix production to promote the repairs of defective knee cartilage in rabbits

open access: yesJournal of Orthopaedic Translation, 2021
Background: Chondrons are composed of chondrocytes and the surrounding pericellular matrix (PCM) and function to enhance chondrocyte-mediated cartilage tissue engineering.
Wangping Duan   +9 more
doaj   +1 more source

miR-107 affects cartilage matrix degradation in the pathogenesis of knee osteoarthritis by regulating caspase-1

open access: yesJournal of Orthopaedic Surgery and Research, 2021
Background Knee osteoarthritis (KOA) seriously affects the quality of life of KOA patients. This study aimed to investigate whether miR-107 could regulate KOA through pyroptosis to affect collagen protein secreted by chondrocytes through IL-1β.
Jiatian Qian   +5 more
doaj   +1 more source

Effect of growth hormone releasing hormone on chondrocytes of osteoarthritis [PDF]

open access: yesThe Korean Journal of Internal Medicine, 2022
Background/Aims To evaluate the effect and possible mechanism of growth hormone releasing hormone (GHRH) on chondrocytes of osteoarthritis (OA). Methods Articular chondrocytes were cultured and the expression of GHRH receptor in chondrocytes was detected.
Zhuoran LI, Yao LI
doaj   +1 more source

Primary cilia disassembly down regulates mechanosensitive hedgehog signalling: a feedback mechanism controlling ADAMTS-5 expression in chondrocytes [PDF]

open access: yes, 2014
SummaryObjectiveHedgehog signalling is mediated by the primary cilium and promotes cartilage degeneration in osteoarthritis. Primary cilia are influenced by pathological stimuli and cilia length and prevalence are increased in osteoarthritic cartilage ...
Knight, M.M.   +5 more
core   +4 more sources

Dysregulation of Cells Cycle and Apoptosis in Human Induced Pluripotent Stem Cells Chondrocytes Through p53 Pathway by HT-2 Toxin: An in vitro Study

open access: yesFrontiers in Genetics, 2021
Kashin–Beck disease (KBD) mainly damages growth plate of adolescents and is susceptible to both gene and gene–environmental risk factors. HT-2 toxin, which is a primary metabolite of T-2 toxin, was regarded as one of the environmental risk factors of KBD.
Yanan Zhang   +15 more
doaj   +1 more source

The emerging chondrocyte channelome [PDF]

open access: yesFrontiers in Physiology, 2010
Chondrocytes are the resident cells of articular cartilage and are responsible for synthesizing a range of collagenous and non-collagenous extracellular matrix macromolecules. Whilst chondrocytes exist at low densities in the tissue (1-10% of the total tissue volume in mature cartilage) they are extremely active cells and are capable of responding to a
Barrett-Jolley, R   +3 more
openaire   +5 more sources

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