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Related Concept Videos

Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

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...
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

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...

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Related Experiment Video

Updated: May 16, 2026

Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells
06:05

Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells

Published on: July 14, 2023

Osteochondral tissue engineering: current strategies and challenges.

Syam P Nukavarapu1, Deborah L Dorcemus

  • 1Institute for Regenerative Engineering, University of Connecticut, Farmington CT, USA. syam@uchc.edu

Biotechnology Advances
|November 24, 2012
PubMed
Summary
This summary is machine-generated.

Tissue engineering offers a promising solution for osteochondral defects, regenerating bone, cartilage, and their interface. Further research is needed to translate these tissue engineering strategies into clinical practice for effective defect repair.

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Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect
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Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect

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Related Experiment Videos

Last Updated: May 16, 2026

Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells
06:05

Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells

Published on: July 14, 2023

Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots
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Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots

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Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect
05:23

Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect

Published on: April 14, 2026

Area of Science:

  • Orthopedic Surgery
  • Regenerative Medicine
  • Biomaterials Science

Background:

  • Osteochondral defects involve damage to both articular cartilage and subchondral bone.
  • Current treatments are palliative, not curative, highlighting the need for advanced repair strategies.
  • Tissue engineering presents a viable alternative for regenerating complex osteochondral tissues.

Purpose of the Study:

  • To review current tissue engineering strategies for osteochondral defect repair.
  • To discuss advancements in scaffold design, cell sources, and factor-based approaches.
  • To identify challenges hindering clinical translation.

Main Methods:

  • Review of current literature on tissue engineering for osteochondral defects.
  • Analysis of scaffold strategies (single phase, layered, graded).
  • Evaluation of cell sources (tissue-specific, progenitor cells) and factor-based delivery systems.

Main Results:

  • Scaffold design, bioreactor use, and cell/factor-based approaches are key tissue engineering strategies.
  • Graded scaffolds and controlled factor release show potential for interface formation.
  • Significant progress has been made, but clinical application requires further investigation.

Conclusions:

  • Tissue engineering holds significant potential for osteochondral defect repair.
  • Further research is essential to overcome challenges and establish clinical reality.
  • Integrated approaches combining scaffolds, cells, and factors are crucial for successful regeneration.