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Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
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Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
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Vanadium Compound Treatment Modulates MC3t3-E1 Osteoblast Function.

Isabella K Somera1, Bryan Sosa1, Jessica A Cottrell1

  • 1Department of Biological Sciences, Seton Hall University, South Orange, NJ 07079, USA.

International Journal of Molecular Sciences
|September 13, 2025
PubMed
Summary
This summary is machine-generated.

Vanadium compounds, vanadium (IV) oxide acetylacetonate (VAC) and vanadium (IV) oxide sulfate (VOSO4), promote osteoblastogenesis. These compounds enhance bone cell proliferation and function, potentially accelerating fracture healing.

Keywords:
insulin mimeticinsulin signalingosteoblastsvanadium compounds

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Orthopedics

Background:

  • Osteoblastogenesis is crucial for bone repair.
  • Insulin and insulin-mimetic compounds show promise in enhancing bone healing.

Purpose of the Study:

  • To evaluate the effects of vanadium compounds (VAC and VOSO4) on osteoblast proliferation and function.
  • To investigate the potential of these compounds as adjuvants for bone regeneration.

Main Methods:

  • MC3T3-E1 pre-osteoblast cells were treated with insulin, ascorbic acid, and varying concentrations of VAC or VOSO4.
  • Assessed cell proliferation, functional markers, and gene/protein expression over 21 days.

Main Results:

  • Both VAC and VOSO4 stimulated MC3T3-E1 proliferation and increased calcium and proteoglycan deposition.
  • Enhanced phosphorylation of Protein Kinase B (Akt) was observed.
  • VAC upregulated key osteogenic genes (RUNX2, BGLAP, TWIST2) at Day 7 and Day 10.

Conclusions:

  • Vanadium compounds (VAC and VOSO4) effectively promote osteoblastogenesis.
  • These findings support their potential use in accelerating bone regeneration and fracture healing.