Hypertrophic Cartilage with a Targeted SDF1α Enrichment Can Be Generated
(A) VENUS and VENUS-SDF1α hyC consist in cartilage pellets (macroscopic view, left) in which hMSCs (VENUS positive) and the SDF1α protein are found abundantly in the collagen-rich matrix, as assessed by immunofluorescence analysis of thick hyC sections. Col2, collagen type 2. Scale bars, 500 μm.
(B) SDF1α is more abundant in the ECM of VENUS-SDF1α hyC, as revealed by high-resolution immunofluorescent imaging. Scale bars, 20 μm. Col2, collagen type 2.
(C) A significant and specific SDF1α enrichment is obtained in the VENUS-SDF1α hyC, as assessed by protein quantification. n = 3 biological repeats. ∗∗p < 0.01, using one-way ANOVA test. Data are represented as mean ± SEM.