Histological and biomechanical properties of regenerated articular cartilage using chondrogenic bone marrow stromal cells with a PLGA scaffold in vivo

Hwan Han Seung, Hee Kim Yun, Sung Park Min, Ae Kim In, Woog Shin Jung, Ick Yang Woo, Soo Jee Kyoung, Dong Park Ki, Ha Ryu Gyu, Jin Woo Lee

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

The properties of regenerated cartilage using bone marrow-derived mesenchymal stem cells (MSCs) and poly lactic-co-glycolic acid (PLGA) scaffold composites pretreated with TGF-β3 were investigated and compared to the non-TGF-β3 treated MSCs/PLGA composites in a rabbit model. We prepared MSCs/PLGA scaffold composites and pretreated it with TGF-ß3 for 3 weeks prior to transplantation. Then, composites were transplanted to the osteochondral defect in the rabbit knee. After 12 weeks of transplantation, 10 of the 12 rabbits in which TGF-β3 pretreated MSCs/PLGA scaffold composites were transplanted showed cartilaginous regeneration. In gross morphology, regenerated cartilage showed smooth, flush, and transparent features. In indentation test, this had about 80% of Young's modulus of normal articular cartilage. Histological examination demonstrated hyaline like cartilage structures with glycosaminoglycan and type II collagen expression. Histological scores were not statistically different to the normal articular cartilage. These results showed improvement of cartilage regeneration compared to the non-TGF-β3 pretreated MSCs/PLGA scaffold composite transplanted group. Thus, we have successfully regenerated improved hyaline-like cartilage and determined the feasibility of treating damaged articular cartilage using MSCs/PLGA scaffold composite pretreated with TGF-β3. Also, we suggest this treatment modality as another concept of cartilage tissue engineering.

Original languageEnglish
Pages (from-to)850-861
Number of pages12
JournalJournal of Biomedical Materials Research - Part A
Volume87
Issue number4
DOIs
Publication statusPublished - 2008 Dec 15

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Cartilage
Scaffolds
Bone
Stem cells
Acids
Composite materials
Milk
polylactic acid-polyglycolic acid copolymer
Collagen Type II
Glycosaminoglycans
Tissue engineering
Indentation
Collagen
Elastic moduli
Defects

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Biomaterials
  • Biomedical Engineering
  • Metals and Alloys

Cite this

Seung, Hwan Han ; Yun, Hee Kim ; Min, Sung Park ; In, Ae Kim ; Jung, Woog Shin ; Woo, Ick Yang ; Kyoung, Soo Jee ; Ki, Dong Park ; Gyu, Ha Ryu ; Lee, Jin Woo. / Histological and biomechanical properties of regenerated articular cartilage using chondrogenic bone marrow stromal cells with a PLGA scaffold in vivo. In: Journal of Biomedical Materials Research - Part A. 2008 ; Vol. 87, No. 4. pp. 850-861.
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Histological and biomechanical properties of regenerated articular cartilage using chondrogenic bone marrow stromal cells with a PLGA scaffold in vivo. / Seung, Hwan Han; Yun, Hee Kim; Min, Sung Park; In, Ae Kim; Jung, Woog Shin; Woo, Ick Yang; Kyoung, Soo Jee; Ki, Dong Park; Gyu, Ha Ryu; Lee, Jin Woo.

In: Journal of Biomedical Materials Research - Part A, Vol. 87, No. 4, 15.12.2008, p. 850-861.

Research output: Contribution to journalArticle

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AU - Seung, Hwan Han

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AU - Lee, Jin Woo

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