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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...

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Updated: Jun 18, 2026

Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells
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Published on: July 14, 2023

Do we really need cartilage tissue engineering?

Karoliina Pelttari1, Anke Wixmerten, Ivan Martin

  • 1Department of Surgery, University Hospital Basel, Basel, Switzerland.

Swiss Medical Weekly
|November 18, 2009
PubMed
Summary
This summary is machine-generated.

Developing functional cartilage tissue engineering (CTE) grafts from human cells faces challenges. This review discusses reproducible CTE, potency markers, and using engineered tissues as models for future in situ cartilage repair strategies.

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Published on: May 21, 2013

Area of Science:

  • Regenerative Medicine
  • Biomaterials Science
  • Orthopedic Surgery

Background:

  • Cartilage tissue engineering (CTE) aims to create biological substitutes for treating cartilage injuries and degeneration.
  • Despite advancements, engineered cartilage grafts are not yet standard clinical practice for cartilage repair.
  • The field involves interdisciplinary collaboration among scientists, clinicians, and commercial entities.

Purpose of the Study:

  • To review challenges in reproducible in vitro engineering of functional cartilage templates from human cells.
  • To discuss the importance of identifying the mode of action for CTE approaches to establish potency markers and quality controls.
  • To propose using engineered cartilage tissues as models for understanding cartilage development and repair mechanisms.

Main Methods:

  • Review of current literature on cartilage tissue engineering challenges.
  • Discussion of strategies for identifying mechanisms of action and quality control for engineered grafts.
  • Proposal for utilizing engineered cartilage as research models.

Main Results:

  • Identified key challenges in the reproducible engineering of functional cartilage templates from human cells.
  • Highlighted the need for defined potency markers and quality controls for effective cartilage regeneration.
  • Proposed a dual role for engineered cartilage: as clinical implants and as research models.

Conclusions:

  • Overcoming challenges in reproducible CTE is crucial for clinical translation.
  • Understanding CTE mechanisms will enable the development of next-generation regenerative therapies.
  • Engineered cartilage models will advance knowledge of cartilage biology and repair, paving the way for in situ regeneration.