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find Author "BAI Bo" 1 results
  • Research progress of different cell seeding densities and cell ratios in cartilage tissue engineering

    ObjectiveTo review the research progress of different cell seeding densities and cell ratios in cartilage tissue engineering. MethodsThe literature about tissue engineered cartilage constructed with three-dimensional scaffold was extensively reviewed, and the seeding densities and ratios of most commonly used seed cells were summarized. ResultsArticular chondrocytes (ACHs) and bone marrow mesenchymal stem cells (BMSCs) are the most commonly used seed cells, and they can induce hyaline cartilage formation in vitro and in vivo. Cell seeding density and cell ratio both play important roles in cartilage formation. Tissue engineered cartilage with good quality can be produced when the cell seeding density of ACHs or BMSCs reaches or exceeds that in normal articular cartilage. Under the same culture conditions, the ability of pure BMSCs to build hyaline cartilage is weeker than that of pure ACHs or co-culture of both. ConclusionDue to the effect of scaffold materials, growth factors, and cell passages, optimal cell seeding density and cell ratio need further study.

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