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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

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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.
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Updated: Jul 19, 2025

Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering
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Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering

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Recent Advances in Bioengineering Bone Revascularization Based on Composite Materials Comprising Hydroxyapatite.

Yifan Niu1, Lei Chen1, Tianfu Wu1,2

  • 1State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.

International Journal of Molecular Sciences
|August 12, 2023
PubMed
Summary
This summary is machine-generated.

Bone regeneration requires enhanced vascularization. Hydroxyapatite (HA) composites show promise, with recent research focusing on improving HA properties for better bone healing and vascularization in bone tissue engineering (BTE).

Keywords:
biomaterialscells and growth factorhydroxyapatitestructural characterizationvascularization

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Orthopedic Research

Background:

  • Bone healing is often compromised by conditions like tumors, trauma, or inflammation, requiring external interventions for regeneration.
  • Traditional bone grafting methods have limitations, driving the need for advanced solutions like bone tissue engineering (BTE).
  • Vascularization is a critical factor in successful bone repair and regeneration.

Purpose of the Study:

  • To review recent advancements in hydroxyapatite (HA) composite materials for enhanced vascularization in bone regeneration.
  • To explore strategies for overcoming the limitations of pure HA, such as brittleness and porosity.

Main Methods:

  • Literature review of HA composite studies published within the last five years.
  • Analysis of modifications to HA properties, including material composition, fabrication techniques, and growth factor integration.
  • Examination of co-culturing techniques involving bone cells to promote vascularization.

Main Results:

  • Hydroxyapatite (HA) exhibits excellent osteoconductivity, bioactivity, and biocompatibility, making it a valuable biomaterial.
  • Various strategies are being explored to enhance HA's mechanical properties and structural integrity for improved applications.
  • Research indicates that modifying HA composites and employing advanced fabrication and cell co-culture methods can significantly stimulate vascularization.

Conclusions:

  • HA-based composites are a promising avenue for bone regeneration, particularly when engineered to enhance vascularization.
  • Continued research into HA composite modifications and fabrication techniques is crucial for optimizing bone healing outcomes.
  • The integration of growth factors and cellular components is key to achieving robust vascularization in engineered bone constructs.