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Purity of SC cultures. A: The purity of nearly all SC products was maintained above 90% in nearly all passages. B: Representative images of S100-positive SCs at all passages. Very minimal fibroblasts were seen in P2 and none in P3. Bar = 100 μm. C: Representative images of SC flow cytometry at final harvest and the average of each phenotype marker at each passage. All cells showed a high expression of CD271 and low expression of CD90, CD45, CD31, and CD14.
