Protective effect of Bauhinia tomentosa on acetic acid induced ulcerative colitis by regulating antioxidant and inflammatory mediators

被引:70
作者
Kannan, Narayanan [1 ]
Guruvayoorappan, Chandrasekharan [1 ]
机构
[1] Karunya Univ, Dept Biotechnol, Coimbatore 641114, Tamil Nadu, India
关键词
Bauhinia tomentosa; Ulcerative colitis; Myeloperoxidase; iNOS; TNF-alpha; TUMOR-SPECIFIC ANGIOGENESIS; DEXTRAN SULFATE SODIUM; BOWEL-DISEASE; NITRIC-OXIDE; TNF-ALPHA; OXIDATIVE STRESS; INHIBITION; MYELOPEROXIDASE; GLUTATHIONE; QUERCETIN;
D O I
10.1016/j.intimp.2013.03.008
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Inflammatory bowel diseases (IBD), including Crohn's disease and Ulcerative colitis (UC), are life-long and recurrent disorders of the gastrointestinal tract with unknown etiology. The present study is designed to evaluate the ameliorative effect of Bauhinia tomentosa during ulcerative colitis (UC). Three groups of animals (n = 6) were treated with B. tomentosa (5, 10, 20 mg/kg B.wt respectively) for 5 consecutive days before induction of UC UC was induced by intracolonic injection of 3% acetic acid. The colonic mucosal injury was assessed by macroscopic scoring and histological examination. Furthermore, the mucosal content of lipid peroxidation (LPO), reduced glutathione (GSH), nitric oxide (NO), glutathione peroxidase (GPx) and superoxide dismutase (SOD) activity confirms that B. tomentosa could significantly inhibit colitis in a dose dependent manner. The myeloperoxidase (MPO), tumor necrosis factor (TNF-alpha), inducible nitric oxide synthase (iNOS) expression studies and lactate dehydrogenase (LDH) assay also supported that B. tomentosa could significantly inhibit experimental colitis. The effect was comparable to the standard drug sulfasalazine. Colonic mucosal injury parallels with the result of histological and biochemical evaluations. The extracts obtained from B. tomentosa possess active substances, which exert marked protective effects in acute experimental colitis, possibly by regulating the antioxidant and inflammatory mediators. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:57 / 66
页数:10
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