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Related Concept Videos

Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

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Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...
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Bone Formation by Endochondral Ossification01:24

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Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
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Related Experiment Video

Updated: Apr 12, 2026

Matrix-assisted Autologous Chondrocyte Transplantation for Remodeling and Repair of Chondral Defects in a Rabbit Model
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Decellularized cartilage may be a chondroinductive material for osteochondral tissue engineering.

Amanda J Sutherland1, Emily C Beck2, S Connor Dennis3

  • 1University of Kansas Medical Center, Kansas City, Kansas, United States of America.

Plos One
|May 13, 2015
PubMed
Summary

Chemically decellularized cartilage particles (DCC) show promising chondroinductive properties for cartilage regeneration. DCC significantly enhanced chondroinduction in stem cells, outperforming standard chondrogenic media.

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Related Experiment Videos

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Fabrication of Decellularized Cartilage-derived Matrix Scaffolds
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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Extracellular matrix (ECM)-based materials are explored for regenerative medicine due to their potential to support stem cell functions.
  • While demineralized bone matrix is common, articular cartilage matrix is emerging as a potentially chondroinductive material for musculoskeletal tissue engineering.

Purpose of the Study:

  • To establish a chemical decellularization method for articular cartilage.
  • To quantify cell removal and analyze biochemical content during decellularization.
  • To evaluate the chondroinductive potential of decellularized cartilage matrix on stem cells.

Main Methods:

  • Developed a chemical decellularization protocol for articular cartilage, including a physical devitalization step.
  • Quantified DNA and glycosaminoglycan (GAG) content, and hydroxyproline levels.
  • Cultured rat bone marrow-derived mesenchymal stem cells (rBMSCs) with chemically decellularized cartilage particles (DCC), physically devitalized cartilage particles (DVC), or chondrogenic medium (TGF-β).
  • Assessed chondroinduction via gene expression analysis (Collagen II, Collagen I, Collagen X, Runx2).

Main Results:

  • Chemical decellularization effectively removed DNA and approximately half of GAGs, with minimal impact on hydroxyproline.
  • Chemically decellularized cartilage particles (DCC) significantly enhanced chondroinduction of rBMSCs, showing over tenfold higher Collagen II gene expression compared to TGF-β.
  • Physically devitalized cartilage particles (DVC) showed less chondrogenic response than DCC but exhibited greater downregulation of Collagen I, Collagen X, and Runx2.

Conclusions:

  • A novel protocol for cartilage devitalization and decellularization was established, demonstrating chondroinductive capacity.
  • Decellularized cartilage matrix (DCC) shows significant potential for cartilage regeneration by recruiting and differentiating endogenous cells.
  • DCC may serve as a promising biomaterial for cartilage regeneration, providing both bioactivity and structural components.