Journal
REGENERATIVE MEDICINE
Volume 10, Issue 5, Pages 665-679Publisher
FUTURE MEDICINE LTD
DOI: 10.2217/rme.15.31
Keywords
articular cartilage osteoarthritis; chondrogenesis; differentiation; mesenchymal stem cells; tissue engineering
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Articular cartilage defects often progress to osteoarthritis, which negatively impacts quality of life for millions of people worldwide and leads to high healthcare expenditures. Tissue engineering approaches to osteoarthritis have concentrated on proliferation and differentiation of stem cells by activation and suppression of signaling pathways, and by using a variety of scaffolding techniques. Recent studies indicate a key role of environmental factors in the differentiation of mesenchymal stem cells to mature cartilage-producing chondrocytes. Therapeutic approaches that consider environmental regulation could optimize chondrogenesis protocols for regeneration of articular cartilage. This review focuses on the effect of scaffold structure and composition, mechanical stress and hypoxia in modulating mesenchymal stem cell fate and the current use of these environmental factors in tissue engineering research.
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