ArticleFrontiers in veterinary science2026
Combination of hypoxia and hyperosmolarity reduces
Article in Frontiers in veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Articular cartilage (AC) is an avascular tissue with a highly specialized extracellular matrix (ECM) microenvironment characterized by low oxygen tension and high osmolarity. Standard in vitro culture conditions fail to replicate these features and may promote chondrocyte de-differentiation. This study investigated the combined effects of hypoxia and hyperosmolarity on chondrocyte phenotype and function. Methods: Human articular chondrocytes were cultured under standard conditions (20% O Results: Hypoxia and hyperosmolarity synergistically reduced de-differentiation marker expression and enhanced Discussion: Mimicking the native cartilage microenvironment modulates chondrocyte phenotype and function, particularly in early de-differentiation stages. Although responsiveness declines over time, key phenotypic markers remain influenced. These findings support the importance of physiologically relevant culture conditions to improve chondrocyte quality for cartilage repair strategies, including autologous chondrocyte implantation (ACI) and matrix-assisted chondrocyte implantation (MACI).
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