Anti-asthmatic effect of Sanguisorba officinalis L. and potential role of heme oxygenase-1 in an ovalbumin-induced murine asthma model
Sanguisorba officinalis L. is known to have anti-inflammatory properties. However, the potential effects of S. officinalis against asthma have not been reported. In the present study, we investigated the protective effects and underlying mechanisms of S. officinalis in a murine ovalbumin (OVA)-induced asthma model. Mice were sensitized and challenged by OVA inhalation to induce airway inflammation and remodeling. S. officinalis ethanolic extract (SOEE) markedly decreased the number of infiltrated inflammatory cells, together with a reduction in the levels of T-helper type 2 cytokines and immunoglobulin E levels. Histopathological studies showed that inflammatory cell infiltration and mucus hypersecretion were inhibited by SOEE. In addition, OVA-induced increases in reactive oxygen species were attenuated by SOEE. All these effects were correlated with heme oxygenase-1 (HO-1) induction by SOEE. These results indicate that SOEE has therapeutic potential against bronchial asthma associated with allergic diseases that is due, at least in part, to HO-1 upregulation.
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Document Type: Research Article
Affiliations: Herbal Medicine EBM Research Center, Korea Institute of Oriental Medicine, Daejeon 305-811, Korea
Publication date: January 1, 2010
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- The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.
The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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