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Changes in mesenchymal stem cell (MSC) spreading and proliferation on scaffolds. The spreading of MSCs on the scaffold was quantified (B) based on phase-contrast images (A). Scaffold composition altered the proliferation and viability of MSCs cultured on the scaffolds for 3 days, as measured by cell count (C) and MTT absorbance (D). * and ** denote p<0.05 and p<0.01, respectively.
