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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: A novel kartogenin-platelet-rich plasma gel enhances chondrogenesis of bone marrow mesenchymal stem cells in vitro and promotes wounded meniscus healing in vivo

Fig. 2

Colony formation of the BMSCs during primary culture. a A typical colony was formed at day 7. b A typical colony was formed at day 10. c A typical colony was formed at day 10. d–g The colonies were formed at day 15 and stained with methyl violet. The colonies formed by the BMSCs were heterogeneous as evidenced by cell shape and colony size (d–g). Some colonies were formed by cobblestone-like cells (black arrows in c), and some colonies were formed by spindle-like cells (red arrows in e)

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