Results 51 to 60 of about 100,119 (298)

Puerarin‑Loaded pH‑Responsive ZIF‑90 Nanoparticles Ameliorate Osteoporosis via Enhancing H3K18 Lactylation and Suppressing Aberrant Osteoclast Activation. [PDF]

open access: yesAdv Sci (Weinh)
Schematic illustration of the mechanism by which ZIF‐90@PU alleviates osteoporosis via H3K18la‐mediated NFATc1 pathway suppression. ABSTRACT Osteoporosis is characterized by dysregulated osteoclast activity, leading to excessive bone resorption and structural damage.
Lu J   +5 more
europepmc   +2 more sources

The Origin of Osteoclasts

open access: yesImmunobiology, 1982
We are satisfied from studies with mi mi osteopetrotic mutant mice that osteoclasts arise from the myeloid tissue of bone marrow and not as formerly proposed from osteoprogenitor cells. Grafts of compatible normal myeloid cells cure the osteopetrosis by the substitution of the qualitatively defective osteoclasts with normal ones.
J F, Loutit, N W, Nisbet
openaire   +2 more sources

Incorporation of RANKL promotes osteoclast formation and osteoclast activity on β-TCP ceramics. [PDF]

open access: yes, 2014
β-Tricalcium phosphate (β-TCP) ceramics are approved for the repair of osseous defects. In large defects, however, the substitution of the material by authentic bone is inadequate to provide sufficient long-term mechanical stability.
Hofstetter, Wilhelm   +11 more
core   +1 more source

Effect of mitophagy in the formation of osteomorphs derived from osteoclasts

open access: yesiScience, 2023
Summary: Osteoclasts are specialized multinucleated giant cells with unique bone-destroying capacities. A recent study revealed that osteoclasts undergo an alternative cell fate by dividing into daughter cells called osteomorphs. To date, no studies have
Tingben Huang   +9 more
doaj   +1 more source

Interleukin-20 Acts as a Promotor of Osteoclastogenesis and Orthodontic Tooth Movement

open access: yesStem Cells International, 2021
Objectives. Bones constitute organs that are engaged in constant self-remodelling. Osteoblast and osteoclast homeostasis during remodelling contribute to overall skeletal status.
Yuanbo Liu   +10 more
doaj   +1 more source

MITF maintains genome stability in nonmelanocyte lineages

open access: yesMolecular Oncology, EarlyView.
MITF is essential for melanocyte survival and acts as an oncogene in 10%–20% of melanomas. We show that MITF depletion causes genome instability in nonmelanocytic cells, leading to LATS2‐mediated P53 activation, cell cycle arrest, and apoptosis. This study highlights the role of MITF as a genome maintenance factor beyond the melanocyte lineage. Created
Drifa H. Gudmundsdottir   +13 more
wiley   +1 more source

Endogenous Collagenases Regulate Osteoclast Fusion

open access: yesBiomolecules, 2020
The precise regulation of osteoclast differentiation and function is crucial for the maintenance of healthy bone. Despite several reports of collagenase expression in bone tissues, the precise isoform expression as well as the role in osteoclasts are ...
Hyo Jeong Kim, Youngkyun Lee
doaj   +1 more source

BAP1 promotes osteoclast function by metabolic reprogramming

open access: yesNature Communications, 2023
Treatment of osteoporosis commonly diminishes osteoclast number which suppresses bone formation thus compromising fracture prevention. Bone formation is not suppressed, however, when bone degradation is reduced by retarding osteoclast functional ...
Nidhi Rohatgi   +10 more
doaj   +1 more source

Osteoclast-Responsive, Injectable Bone of Bisphosphonated-Nanocellulose that Regulates Osteoclast/Osteoblast Activity for Bone Regeneration

open access: yes, 2019
An injectable bone may serve as a minimally invasive therapy for large orthopedic defects and osteoporosis and an alternative to allografting and surgical treatment.
Akihiro Nishiguchi (1532491)   +1 more
core   +1 more source

Inhibitory effect of sulphated polysaccharide porphyran (isolated from Porphyra yezoensis) on RANKL-induced differentiation of RAW264.7 cells into osteoclasts [PDF]

open access: yes, 2017
Safe and efficient therapeutic agents for bone diseases are required in natural sources. We previously found that edible seaweed-derived polysaccharide porphyran exhibited anti-inflammatory effects through the down regulation of nuclear factor-κB.
Yamaguchi, Kenichi   +19 more
core   +1 more source

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