期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 24, 期 23, 页码 -出版社
MDPI
DOI: 10.3390/ijms242317096
关键词
chondrocyte; mesenchymal cells; collagen type II; articular cartilage; integrins
Hyaline cartilage lacks self-repair potential, but tissue engineering methods can be used to address the issue of cartilage defect repair. Research shows that chondrocytes and mesenchymal stromal cells have favorable repair abilities in a three-dimensional culture environment.
Hyaline cartilage, which is characterized by the absence of vascularization and innervation, has minimal self-repair potential in case of damage and defect formation in the chondral layer. Chondrocytes are specialized cells that ensure the synthesis of extracellular matrix components, namely type II collagen and aggregen. On their surface, they express integrins CD44, alpha 1 beta 1, alpha 3 beta 1, alpha 5 beta 1, alpha 10 beta 1, alpha V beta 1, alpha V beta 3, and alpha V beta 5, which are also collagen-binding components of the extracellular matrix. This article aims to contribute to solving the problem of the possible repair of chondral defects through unique methods of tissue engineering, as well as the process of pathological events in articular cartilage. In vitro cell culture models used for hyaline cartilage repair could bring about advanced possibilities. Currently, there are several variants of the combination of natural and synthetic polymers and chondrocytes. In a three-dimensional environment, chondrocytes retain their production capacity. In the case of mesenchymal stromal cells, their favorable ability is to differentiate into a chondrogenic lineage in a three-dimensional culture.
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