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A 3D System for Culturing Human Articular Chondrocytes in Synovial Fluid
Published on: January 31, 2012
Human amniotic membrane as a chondrocyte carrier vehicle/substrate: in vitro study
G Krishnamurithy1, P N Shilpa, R E Ahmad
1Tissue Engineering Group, Department of Orthopaedic Surgery, NOCERAL, University of Malaya, 50603 Kuala Lumpur, Malaysia.
Journal of Biomedical Materials Research. Part A
|September 14, 2011
Summary
Human amniotic membrane (HAM) shows promise for cartilage tissue engineering. Both air-dried (AdHAM) and freeze-dried (FdHAM) forms support superior chondrocyte proliferation and glycosaminoglycan (GAG) expression compared to plastic, indicating potential for cell-based therapies.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Human amniotic membrane (HAM) is a recognized biomaterial with diverse clinical uses.
- Its potential as a substrate for tissue engineering, specifically cartilage repair, remains underexplored.
Purpose of the Study:
- To assess the feasibility of using processed HAM as a substrate and carrier for chondrocytes.
- To compare the efficacy of air-dried HAM (AdHAM) and freeze-dried HAM (FdHAM) in supporting chondrocyte growth and function.
Main Methods:
- HAM was processed into air-dried (AdHAM) and freeze-dried (FdHAM) forms.
- Rabbit chondrocytes were cultured in vitro and seeded onto AdHAM, FdHAM, and plastic surfaces.
- Cell proliferation, glycosaminoglycan (GAG) expression, and GAG/cell expression were quantified over 28 days.
- Histological analysis and scanning electron microscopy evaluated cell attachment.
Main Results:
- Both AdHAM and FdHAM significantly enhanced chondrocyte proliferation compared to monolayer cultures (P=0.001).
- AdHAM and FdHAM demonstrated significantly higher GAG and GAG/cell expression than monolayer cultures (P=0.001).
- No significant differences in proliferation or GAG expression were found between AdHAM and FdHAM (P > 0.135).
- Histology and SEM confirmed good chondrocyte attachment on both HAM preparations.
Conclusions:
- Both AdHAM and FdHAM serve as effective substrates for chondrocytes, promoting superior proliferation and GAG expression.
- These HAM preparations facilitate robust chondrocyte attachment, outperforming traditional plastic substrates.
- Processed HAM holds significant potential as a carrier for cell-based cartilage therapy and transplantation.
