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  • Title: [Protection effect of Salvia miltiorrhiza on model of acute lung injury in rats].
    Author: Li M, Li F, Hu B, Wang W, Ren QY, Hang L, Zhang YP.
    Journal: Zhong Yao Cai; 2007 Apr; 30(4):442-4. PubMed ID: 17674800.
    Abstract:
    OBJECTIVE: To investigate the effect of SM on aquaporin-1 (AQP1) expression in rats with acute lung injury (ALI), and study protection against ALI. METHODS: 48 SD rats were randomly divided into normal group, ALI 7-day group, ALI 8-hour group, SM prevention group, SM 7-day treatment group, and SM 8-hour treatment group. At 8 hours and 7 days after treatment, lung wet-to-dry weight ratio, lung pathology, electron microscope, AQP1 immunohistochemistry, and AQP1 Western blot were performed. RESULTS: The model group rats all appeared ALI symptom. Compared with the 7-day ALI group, the degree of lung edema statement alleviated in SM 7-day treatment group. But the expression of AQP-1 was not significant between the two groups (P < 0.05). Compared with the 8-hour ALI group, the degree of lung edema statement alleviated in SM 8-hour treatment group and SM prevention group. The expression of AQP-1 was significantly expression in the group of SM prevention group (P < 0.01). CONCLUSION: SM may improve the body fluid metabolism and alleviate the degree of the lung edema by regulating the expression of AQP-1. The results suggest SM can regulate the activity of AQP-1 to improve the water metabolism of ALI.
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