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Expression of extracellular matrix (ECM) components in MSC spheroids. (A) Western blot analysis for ECM components, including laminin and fibronectin in monolayer MSCs and MSC spheroids cultured for 7 days. (B, C) Relative expression of laminin and fibronectin normalized to that of β-actin. Values represent means ± SEM. **p<0.01 vs. monolayer MSCs.
