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Growth of Cartilage and Bone Tissue

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: Oct 25, 2025

Chondrogenic Pellet Formation from Cord Blood-derived Induced Pluripotent Stem Cells

Chondrogenic Pellet Formation from Cord Blood-derived Induced Pluripotent Stem Cells

Published on: June 19, 2017

Chondroinductive Peptides for Cartilage Regeneration.

Boushra Ajeeb¹, Handan Acar¹, Michael S Detamore¹

¹Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, USA.

Tissue Engineering. Part B, Reviews

|August 10, 2021

Summary

Peptides show promise for cartilage regeneration by inducing chondrogenesis. Future research should focus on well-controlled in vivo studies for clinical translation of these synthetic biomaterials.

Keywords:

cartilage regeneration chondrogenesis chondroinductive peptides

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Area of Science:

Biomaterials science
Tissue engineering
Regenerative medicine

Background:

Inducing a hyaline cartilage phenotype is a major challenge in cartilage regeneration.
Synthetic chondroinductive biomaterials offer a potential solution for clinical needs.
Peptides are emerging as versatile, specific, and low-toxicity agents for chondrogenesis.

Purpose of the Study:

To review peptides used in synthetic chondroinductive biomaterials for in situ scaffold-based cartilage regeneration.
To differentiate peptides that induce chondrogenesis independently versus those acting synergistically with growth factors.
To highlight research gaps and guide future clinical translation.

Main Methods:

Comprehensive literature review of peptides for cartilage regeneration.
Analysis of studies reporting independent chondrogenesis induction by peptides.
Evaluation of studies on peptides acting synergistically with growth factors.
Assessment of in vitro and in vivo study designs and controls.

Main Results:

Most peptide studies for cartilage regeneration are currently in vitro, often lacking appropriate controls.
Few in vitro studies have progressed to in vivo investigations, typically using systemic or local injections rather than in situ defect models.
Existing research distinguishes between peptides acting alone and those requiring co-administration with growth factors.

Conclusions:

Peptides hold significant potential for developing safe, cost-effective, and scalable chondroinductive biomaterials.
Well-controlled in vivo studies evaluating peptides in actual cartilage defects are crucial for clinical translation.
Future research should aim to leverage peptides for growth factor-free, in situ cartilage regeneration.