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Electrospun coaxial PCL fibers with rhTGF-b1 were surface modified with an MSC homing E7 peptide (A). BMSCs were attached on both CBE and CBrhTE scaffolds with E7, but produced more COL2 on CBrhTE scaffolds with release of rhTGF-b1 (B). MSC, mesenchymal stem cell; BMSCs, bone marrow-derived stem cells.
