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Fig. 1 MSCs the 3rd generation of 3 days (×100)MSCs：Mesenchymal stem cells

Fig. 2 MSCs the 3rd generation, transfection images after 24 hours (×400) MSCs：Mesenchymal stem cells

Fig. 3 Morphology of pulmonary artery hypertension in each group of rat(HE ×l00)A：Normoxia group；B：Hypoxia group

Fig. 4 Morphology of pulmonary artery hypertension in each group of rat(adenovirus transfection fluorescently labeled × 400)