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结直肠癌患者肠道菌群促进Apc^min/+小鼠肠道腺瘤进展的研究 被引量:3
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作者 李璐 李晓飞 +4 位作者 孙悦 刘天宇 王邦茂 曹海龙 姜葵 《天津医科大学学报》 2019年第6期551-555,共5页
目的:探讨结直肠癌患者的肠道菌群对Apc^min/+小鼠肠道腺瘤进展的作用。方法:将4周龄雌性Apc^min/+小鼠随机分为PBS组(灌服无菌磷酸盐缓冲液,PBS)、FMT-H组(灌服健康人菌液)和FMT-C组(灌服结直肠癌患者菌液),每组10只。给予3d抗生素鸡... 目的:探讨结直肠癌患者的肠道菌群对Apc^min/+小鼠肠道腺瘤进展的作用。方法:将4周龄雌性Apc^min/+小鼠随机分为PBS组(灌服无菌磷酸盐缓冲液,PBS)、FMT-H组(灌服健康人菌液)和FMT-C组(灌服结直肠癌患者菌液),每组10只。给予3d抗生素鸡尾酒预处理后,进行为期8周的粪菌移植。光学显微镜下观察并记录每只小鼠肠道腺瘤负荷。收集肠道组织进行免疫组化评价肿瘤细胞增殖水平及Wnt信号通路活化情况。结果:与FMT-H组相比,FMT-C组腺瘤数量和肠道肿瘤组织中Ki-67阳性细胞百分比显著增加。FMT-C组中Wnt信号通路关键蛋白β-catenin出现异位表达,下游的细胞周期蛋白(cyclinD1)表达增多。结论:结直肠癌患者的肠道菌群可诱导肠道慢性低度炎症、活化Wnt信号通路、促进Apcmin/+小鼠肠道腺瘤进展。 展开更多
关键词 结直肠癌 粪菌移植 Apc^min/+小鼠
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Gastro-protecting effect of gefarnate on chronic erosive gastritis with dyspeptic symptoms 被引量:20
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作者 Du Yi-qi SU Tun +9 位作者 HAO Jian-yu wang bang-mao CHEN Min-hu LI You-ruing TANG Cheng-wei GONG Yan-fang MAN Xiao-hua GAO Li CAI Quan-cai LI Zhao-shen 《Chinese Medical Journal》 SCIE CAS CSCD 2012年第16期2878-2884,共7页
Background The role of gastro-protecting agents on symptomatic chronic gastritis is unclear. This multicenter, open, randomized trial was designed to compare the comprehensive effects of gefarnate with sucralfate on e... Background The role of gastro-protecting agents on symptomatic chronic gastritis is unclear. This multicenter, open, randomized trial was designed to compare the comprehensive effects of gefarnate with sucralfate on erosive gastritis with dyspeptic symptoms. Methods Totally 253 dyspepsia patients confirmed with erosive gastritis were enrolled from six centers in China. They randomly received either daily 300 mg gefarnate or 3 g sucralfate for six weeks. The primary endpoint was the effective rate of both treatments on endoscopic erosion at week six. Results Gefarnate showed an effective rate of 72% and 67% on endoscopic score and dyspeptic symptom release, which is statistically higher than sucralfate (40.1% and 39.3%, P 〈0.001, intension-to-treat). For histological improvement, gefarnate showed both effective in decreasing mucosal chronic inflammation (57.7% vs. 24.8%, P 〈0.001, intension-to-treat) and active inflammation (36.4% vs. 23.1%, P 〈0.05, intension-to-treat) than the control. A significant increase of prostaglandins and decrease of myeloperoxidase in mucosa were observed in gefarnate group. Severity of erosion is non-relevant to symptoms but Helicobacter pylori (H. pylor status does affect the outcome of therapy. Conclusions Gefarnate demonstrates an effective outcome on the mucosal inflammation in patients with chronic erosive qastritis. Endoscopic and inflammation score should be the major indexes used in gastritis-related trials. 展开更多
关键词 GEFARNATE gastritis functional dyspepsia gastro-protection
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