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Effects of the PSF cocktail on retention of MSCs in ischemic mouse limbs. (A): Bioluminescent images of mice transplanted with MSCs with or without PSF at the day of transplantation (week 0) and 3 weeks after transplantation. (B) Bioluminescent signal intensity for the mice over time. *P < 0.05 between these two groups. (C) The number of mice in the indicated group that retained bioluminescent signal over time. PSF, prosurvival factor.
