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Related Concept Videos

The Bone Matrix01:18

The Bone Matrix

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Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in...
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Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
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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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Bone Structure01:55

Bone Structure

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Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
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Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

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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.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into ...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
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Related Experiment Video

Updated: Jan 17, 2026

Author Spotlight: Advanced Techniques for Characterizing Tissue Mineralization in Bone Regeneration Research
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Author Spotlight: Advanced Techniques for Characterizing Tissue Mineralization in Bone Regeneration Research

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Biomineralization empowers bone organoids.

Mengru Zhu1, Zhehao Fan2, Mengshuo Chen1

  • 1Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, PR China; MedEng-X Institutes, Shanghai University, Shanghai, 200444, PR China; National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, 200444, PR China.

Biomaterials
|September 18, 2025
PubMed
Summary

Bone organoids (BOs) are advanced 3D models for studying bone. Biomineralization engineering is key to improving their structure and function for bone regeneration and disease modeling.

Keywords:
BiomineralizationBone developmentBone organoidsBone regeneration

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Developmental Biology

Background:

  • Bone organoids (BOs) are 3D in vitro models that mimic native bone structure and function.
  • Mimicking the hierarchical structure and mineralized extracellular matrix of mature bone in BOs is challenging.
  • Biomineralization is crucial for bone development, architecture, and mechanical integrity, guiding BO maturation.

Purpose of the Study:

  • To provide a comprehensive review of BOs, emphasizing the role of biomineralization in their engineering.
  • To discuss mechanisms and strategies for biomimetic mineralization in BOs.
  • To explore the biomedical potential of biomineralization-guided BOs.

Main Methods:

  • Review of biomineralization mechanisms (cell-controlled, EV-mediated, cell-independent).
  • Analysis of microenvironmental factors influencing biomineralization.
  • Exploration of bioengineering strategies (3D bioprinting, dynamic cultures, organ-on-a-chip) for BO enhancement.

Main Results:

  • Biomineralization is essential for achieving structural and functional fidelity in BOs.
  • Biomimetic mineralization strategies can replicate native bone properties.
  • Advanced bioengineering techniques improve BO structural integrity and maturation.

Conclusions:

  • Biomineralization-guided BOs hold significant biomedical potential for bone regeneration, disease modeling, and drug screening.
  • Current challenges include scalability and clinical relevance.
  • Future research should focus on overcoming these challenges for broader applications.