摘要:云南白药(Yunnan Baiyao)是我国的传统中药,长期以来一直被用于止血和治疗血液疾病。近年来,有临床证据表明云南白药能够有效减轻溃疡性结肠炎的症状,然而,其具体的作用机制尚不明确。本实验使用葡聚糖硫酸钠(DSS)来构建C57BL/6品系小鼠溃疡性结肠炎模型,以灌胃方式给云南白药进行治疗。通过进行疾病活动指数(DAI)评估和组织病理学评估,可以发现云南白药有效减轻了溃疡性结肠炎的症状。通过提取结肠组织蛋白,运用iTRAQ蛋白质组学技术来系统地分析云南白药治疗溃疡性结肠炎的作用机制,可以推断云南白药主要通过抗炎、减少氧化损伤、调节肠道中的细胞迁移和调控脂代谢平衡来发挥其药效。25658
毕业论文关键词:溃疡性结肠炎;葡聚糖硫酸钠;云南白药;iTRAQ蛋白质组学
The potential mechanism of Yunnan Baiyao in the treatment of ulcerative colitis in mice: A case study on proteomic analysis
Abstract:Yunnan Baiyao (YNBY) is a traditional Chinese medicine, which has long been used as a prescription for the treatment of bleeding and hematological diseases. Recently, clinical evidences indicate that YNBY effectively alleviate ulcerative colitis (UC). However, the precise and comprehensive mechanism of its pretreatment remains elusive. In this study, C57BL/6 mice with ulcerative colitis were induced by dextran sulfate sodium and treated by administrate YNBY. By calculating the Disease activity index (DAI) and histological analysis, it proved that YNBY treatment have ameliorated ulcerative colitis. Using an iTRAQ proteomics technology to systematically analyze the therapeutic mechanism of YNBY anti UC, it can hypothesize that YNBY exerts its anti-UC may involve in anti-inflammation, attenuate ROS injury, regulate cell migration in colons, and maintain lipid metabolism homeostasis.
Key words:Ulcerative colitis;Dextran sulfate sodium;Yunnan Baiyao;iTRAQ proteomics
摘要…1
关键词1
Abstract…1
Key words1
引言…2
1材料与方法…2
1.1仪器…2
1.2药品与试剂 3
1.3实验动物…3
1.4动物实验方案…3
1.5结肠炎评估3
1.6蛋白质组学3
1.6.1蛋白提取与消化…3
1.6.2 iTRAQ标记和高PH反相分级…3
1.6.3 LC-MS/MS分析…4
1.6.4 DEPs生物信息学分析…4
2结果与分析…4
2.1病理学评估结果4
2.2蛋白组学分析结果…6
3讨论… 12
3.1课题总结12
3.2个人总结…12
致谢13
参考文献14
图1 结肠炎DAI评估,结肠长度比较,结肠组织病理学评估5
图2 DEPs火山图…6
图3 DSS/Control上调、下调蛋白数量柱状图…6
图4 (DSS+YNBY)/Control上调、下调蛋白数量柱状图…7
图5 DSS/Control WEIGO分类图7
图6 (DSS+YNBY)/Control WEIGO分类图8
图7 DSS/Control KEGG分析图…9
图8 (DSS+YNBY)/Control KEGG分析图10
图9 DSS/Control,(DSS+YNBY)/Control DEP文恩图…11
图10 部分DEP相互作用网络…11
基于蛋白质组学的云南白药治疗溃疡性结肠炎药效物质基础研究
引言
溃疡性结肠炎(Ulcerative colitis,UC)又称为慢性非特异性溃疡性结肠炎或特发性溃疡性结肠炎,是一种常见的慢性肠道疾病,也是一种多因素、多层次的非特异性炎症,UC的主要临床表现为腹痛、腹泻、黏液脓血便、里急后重等[1]。由于UC的病因复杂,临床表现极不典型,作用机制尚不明确,因此对其的诊断有很大难度。国外研究表明,临床上疑诊为UC的患者,其诊断时间延迟达3年者有0.8%;临床上出现腹泻>4周,排便>2次/d,大便呈水样或糊状,腹痛、便血[2] 。临床上常使用氨基水杨酸类药、皮质类固醇类药等西药治疗溃疡性结肠炎,以减轻肠道粘膜炎症,但这些西药在安全性和有效性方面尚存在缺陷。 基于蛋白质组学的云南白药治疗溃疡性结肠炎药效物质基础研究:http://www.youerw.com/yixue/lunwen_19539.html