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- Therapeutic effect of the tuber of Alisma orientale on lipopolysaccharide- induced acute lung injury
- K H Kim; M J Kwun; J Y Choi; Kyung Seop Ahn; Sei-Ryang Oh; Y G Lee; J W Christman; R T Sadikot; C W Han; M Joo
- Bibliographic Citation
- Evidence-Based Complementary and Alternative Medicine, vol. 2013, pp. 863892-863892
- Publication Year
- Although Alisma orientale, an ethnic herb, has been prescribed for treating various diseases in Asian traditional medicine, experimental evidence to support its therapeutic effects is lacking. Here, we sought to determine whether A. orientale has a therapeutic effect on acute lung injury (ALI). Ethanol extract of the tuber of A. orientale (EEAO) was prepared and fingerprinted by HPLC for its constituents. Mice received an intraperitoneal (i.p.) injection of lipopolysaccharide (LPS) for the induction of ALI. At 2 h after LPS treatment, mice received an intratracheal (i.t.) spraying of various amounts of EEAO to the lung. Bioluminescence imaging of transgenic NF-B/luciferase reporter mice shows that i.t. EEAO posttreatment suppressed lung inflammation. In similar experiments with C57BL/6 mice, EEAO posttreatment significantly improved lung inflammation, as assessed by H&E staining of lung sections, counting of neutrophils in bronchoalveolar lavage fluid, and semiquantitative RT-PCR analyses of proinflammatory cytokines and Nrf2-dependent genes in the inflamed lungs. Furthermore, EEAO posttreatment enhanced the survival of mice that received a lethal dose of LPS. Together, our results provide evidence that A. orientale has a therapeutic effect on ALI induced by sepsis.
- Hindawi Ltd
- Appears in Collections:
- Ochang Branch Institute > Natural Product Research Center > 1. Journal Articles
Ochang Branch Institute > 1. Journal Articles
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