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Changes of pro-inflammatory cytokines in serum and lung of rats with oleic acid-induced acute respiratory distress syndrome and the effect of anisodamine
Authors:LIU Feng  YU Xiao-ling  DONG Xiao-qing  SHI Zeng-li
Institution:Department of Pathophysiology, Binzhou Medical College, Binzhou 256603, China
Abstract:AIM: To observe the changes of interleukin-6(IL-6), IL-8 and tumor necrosis factor-α(TNF-α) in serum and lung at different time, and the effects of anisodamine (654-2) treatment in rats with oleic acid-induced ARDS. METHODS: The ARDS model induced by intravenous injection of oleic acid in the rat was used and levels of IL-6, IL-8, TNF-α in serum and lung tissue supernatant were measured using enzyme linked immunosorbent assay (ELISA). RESULTS: Levels of serum and lung tissue IL-6, IL-8, TNF-α in oleic acid type ARDS 4 h group were increased significantly. These cytokines in oleic acid type ARDS 8 h group were lower than that of ARDS 4 h group, but serum IL-6, TNF-α and lung tissue IL-6 were still higher than that of control group . In oleic acid type ARDS 16 h group, serum IL-6, TNF-α were lower than that of the ARDS 8 h group and serum TNF-α and lung tissue IL-6 were higher than that of control group. After 654-2 treatment, the levels of serum and lung tissue IL-6, TNF-α were decreased significantly. CONCLUSION: IL-6, IL-8 and TNF- α might play important roles in the oleic acid-induced ARDS in the rat. 654-2 might alleviate ARDS by inhibiting excess production of IL-6 and TNF-α.
Keywords:Respiratory distress syndrome  Cytokines  Anisodamine   
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