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N-cadherin biomimetic peptides enhance neocartilage formation by hMSCs in vitro. (A) GAG and total collagen content normalized by sample wet weight, (B) equilibrium modulus (EY), and (C and D) immunohistochemical staining results for chondroitin sulfate (CS) and type II collagen (COL2) of MSC-laden HA hydrogel constructs after 28 d of in vitro culture in differentiation media. *P < 0.05 vs. Scrambled or control group (n = 4). (Scale bars, 50 µm.)
