Related Experiment Video
Updated: Mar 8, 2026
Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots
Published on: May 21, 2013
Ovine Mesenchymal Stromal Cells: Morphologic, Phenotypic and Functional Characterization for Osteochondral Tissue
Clara Sanjurjo-Rodríguez1, Rocío Castro-Viñuelas1,2, Tamara Hermida-Gómez2
1Cell Therapy and Regenerative Medicine Unit, Rheumatology Group, Institute of Biomedical Research of A Coruña (INIBIC), University Hospital Complex A Coruña (CHUAC), Galician Health Service (SERGAS), Department of Medicine, Faculty of Health Sciences, University of A Coruña, A Coruña, Spain.
Ovine mesenchymal stromal cells (oMSCs) from bone marrow show potential for osteochondral repair. When cultured on collagen scaffolds, these cells successfully synthesized new bone and cartilage tissue in vitro.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Cell Biology
Background:
- Ovine mesenchymal stromal cells (oMSCs) are increasingly recognized for their therapeutic potential.
- Tissue engineering strategies combining oMSCs with scaffolds offer promising treatments for osteochondral defects.
Purpose of the Study:
- To isolate and characterize ovine bone marrow-derived mesenchymal stromal cells (oBMSCs).
- To evaluate the efficacy of oBMSCs in osteochondral repair using beta-tricalcium phosphate (bTCP) and type I collagen (Col I) scaffolds.
Main Methods:
- Characterization of oBMSCs (morphological, phenotypic, functional).
- Culture of oBMSCs on bTCP and Col I scaffolds with osteogenic medium.
- Histological, immunohistochemical, and electron microscopy evaluation of constructs.
- Development of an in vitro cartilage repair model using oBMSCs on Col I scaffolds, assessed with a modified ICRS II scale.
Main Results:
- oBMSCs exhibited characteristics similar to human BMSCs.
- oBMSCs seeded on Col I scaffolds successfully formed osteogenic neotissue.
- The in vitro cartilage repair model yielded fibrocartilage/hyaline cartilage, as per the modified ICRS II scale.
Conclusions:
- Isolated ovine cells were confirmed as oBMSCs.
- oBMSCs cultured on Col I sponges effectively synthesized osteochondral tissue.
- oBMSCs show promise for preclinical models preceding human clinical trials in osteochondral repair.
