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Characterization of BM-MSCs. (A) Immunofluorescence staining using MSC-positive markers, including CD105, CD90 and CD73, and CD45 as negative marker. The cytoplasm is stained green, while the nuclei are blue. B) MSCS optical microscopic images. BM-MSC morphology with typical spindle shape (light green arrow), colony formed during cell culture (light blue arrow), morphology of MSC after culture (dark blue arrow).
