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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 bone...
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
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Fractures: Bone Repair01:27

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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Bone Disorders01:29

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Bone Remodeling and Repair01:31

Bone Remodeling and Repair

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Related Experiment Video

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Fabrication of Decellularized Cartilage-derived Matrix Scaffolds
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Promotion of Bone Defect Repair Using Decellularized Antler Cancellous Bone Loaded with Deer Osteoglycin.

Yusu Wang1, Ying Zong1, Weijia Chen1

  • 1College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China.

Biomolecules
|August 28, 2025
PubMed
Summary

Deer antler osteoglycin (dOGN) significantly enhances bone regeneration. Loaded onto decellularized antler bone scaffolds, dOGN promotes cell growth and improves bone repair in vivo, showing potential for treating bone defects.

Keywords:
bioactive factorsbone defect repairdecellularized antler cancellous bonedeer osteoglycinenhanced bone healing

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Osteoglycin (OGN) is crucial for bone repair, as evidenced by its high expression in deer antler bone regeneration.
  • Deer antler-derived osteoglycin (dOGN) is a potential bioactive factor for enhancing bone regeneration.

Purpose of the Study:

  • To investigate the efficacy of deer osteoglycin (dOGN) in promoting bone regeneration.
  • To evaluate dOGN-loaded decellularized antler cancellous bone (DACB) scaffolds for bone defect repair.

Main Methods:

  • Recombinant dOGN was expressed and its bioactivity (cell proliferation, migration) was assessed.
  • dOGN was incorporated onto DACB scaffolds.
  • Osteogenic potential was evaluated in vitro and in vivo.

Main Results:

  • dOGN significantly promoted cell proliferation and migration at 5 μg/mL.
  • dOGN-loaded DACB scaffolds enhanced cell adhesion and osteogenic activity in vitro.
  • In vivo studies showed significantly improved bone regeneration with dOGN-DACB scaffolds compared to DACB alone.

Conclusions:

  • Deer osteoglycin (dOGN) effectively promotes bone regeneration.
  • dOGN-loaded DACB scaffolds are a promising strategy for treating critical-sized bone defects.
  • This approach leverages the regenerative properties of deer antlers for clinical applications.