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. 2018 May 11;9:137. doi: 10.1186/s13287-018-0878-1

Fig. 7.

Fig. 7

Systemically administered allogeneic MSCs do not increase tumor malignancy. At papilloma stage, hamsters received intracardially vehicle or 0.7 × 106, 7 × 106, or 21 × 106 MSCs/kg. At end of study period (13 weeks), tumors were assessed microscopically. Stage frequency was calculated for each group. Bar = 100 μm (number of replicates = 6, n = 14). MSC mesenchymal stem cell