Fig. 1From: Exosomes derived from mesenchymal stem cells inhibit neointimal hyperplasia by activating the Erk1/2 signalling pathway in ratsCharacterization of MSC derived from rat bone marrow (RBM). a The morphology of the RBM-derived MSC from passage 1 (P1) and 3 (P3) (magnifications, × 100; scale, 50 μm). b Flow cytometry results showed that RBM-derived MSC were CD29- and CD90-positive, but CD11b-negative. All figures represent the average of three sets of independent experimentsBack to article page