Related Experiment Video
Updated: Jul 11, 2026
09:23
Engineering 3D Cellularized Collagen Gels for Vascular Tissue Regeneration
Published on: June 16, 2015
A collagen-based scaffold for a tissue engineered human cornea: physical and physiological properties
C J Doillon1, M A Watsky, M Hakim
1CHUL Research Centre, Laval University, Quebec City, Quebec, Canada.
The International Journal of Artificial Organs
|October 3, 2003
Summary
This study developed stabilized collagen-glycosaminoglycan scaffolds for engineered corneas. The biocompatible scaffolds support cell growth and show potential for corneal stroma tissue engineering.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Ophthalmology
Background:
- Corneal tissue engineering requires biocompatible scaffolds.
- Collagen-glycosaminoglycan matrices are promising for corneal stroma regeneration.
Purpose of the Study:
- To characterize stabilized collagen-glycosaminoglycan scaffolds for engineered human corneas.
- To evaluate scaffold properties and cellular responses for corneal stroma applications.
Main Methods:
- Type I collagen blended with chondroitin sulfates (CS) and crosslinked with glutaraldehyde.
- Incorporation of corneal keratocyte cell lines, with or without epithelial and endothelial cells.
- Assessment of cell growth, matrix transparency, K+ channel expression, and wound healing in response to ascorbic acid and chemical irritants.
Main Results:
- Crosslinking enhanced matrix strength while allowing cell proliferation.
- Chondroitin sulfate addition improved scaffold transparency.
- Ascorbic acid promoted cell growth and collagen synthesis in crosslinked matrices.
- Engineered constructs demonstrated recovery from chemical injury.
Conclusions:
- Stabilized collagen-glycosaminoglycan matrices are suitable for corneal stroma tissue engineering.
- The engineered scaffolds support cellular functions relevant to corneal biology.
- This matrix shows potential as an in vitro model for corneal stroma.
