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hUC-MSCs rescued VEGF expression in SU5416-induced emphysema. (A) VEGF protein level in BALF was determined by ELISA. Data are presented as mean±SEM. **p<0.01 compared with the Control (CON) group, ##p<0.01 compared with the SU5416 (SU) group. n=9. (B) VEGF protein level in lungs as determined by western blotting.
