Abstract
ObjectiveWe evaluated the expression of stem/progenitor biomarkers in osteoarthritic tissue derived chondrocytes cultured using a three-dimensional (3D) thermo-reversible gelation polymer (TGP). MethodsThe chondrocytes from discarded biopsy tissues obtained from human elderly patients with osteoarthritis were cultured using the 3D-TGP up to six weeks. ResultsThe chondrocytes grew in a tissue-like manner, without de-differentiation into fibroblasts, and the cells thus tissue-engineered were proven positive for CD49e, OCT4, CD-105 and STRO-1 by immunohistochemistry. ConclusionThis study establishes the efficacy of this 3D-TGP platform for clinically useable in-vitro tissue-engineered cartilage for improvising the clinical outcome of cell therapy for cartilage repair.
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