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the effects and mechanisms of berberine on colitis and colon cancer

Abstract

结肠癌是一种常见的消化系统恶性肿瘤,其发展过程非常缓慢,慢性感染和炎症反应已经成为结肠癌发生的重要危险因子。黄连素(Berberine),是从植物中提取出来的异喹啉生物碱,已被用来作为一种传统药物用于治疗细菌性腹泻和肠道寄生虫感染数十年。体外研究表明,黄连素不但具有抗炎症作用,还可通过调节信号转导来抑制炎性细胞因子的产生,并抑制多种肿瘤细胞的生长。在本课题中,我们首先观察黄连素对葡聚糖硫酸酯钠(DSS)诱导的结肠炎的作用。本研究结果显示,黄连素可改善DSS诱导的小鼠体重的减轻、结肠的缩短、损伤和并降低炎症分数,其可能机制是通过下调促炎细胞因子的水平及调控相关信号通路来修复炎症损伤。这为研究由结...Colorectal cancer is commonly known as colon cancer or bowel cancer, is a cancer from uncontrolled cell growth in the colon. Most colorectal cancers are developed from chronic intestinal disease. Chronic infection and inflammation have become an important risk factor for cancer. People with inflammatory bowel disease (IBD) are at increased risk of colon cancer. Berberine, an isoquinoline alkaloid ...学位:理学博士院系专业:医学院_生理学学号:2452010015408

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