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Maintenance of chondrocyte phenotypes differed in two types of scaffolds: (a) expression of chondrocyte-related genes, SOX-9, Col II, and Aggrecan, by qRT-PCR at 7 and 14 days and (b) GAG production as quantified by the Alcian blue stain assay (inset images showing Alcian blue–stained samples).
Statistically significant difference noted (*p < 0.05; **p < 0.01; n = 3).
