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尾加压素Ⅱ对体外高糖培养大鼠肾小球系膜细胞增殖的影响及其意义 被引量:1

Effect of urotensin Ⅱ on proliferation of rat mesangial cells cultivated with high glucose culture medium in vitro and its significances
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摘要 目的:探讨尾加压素Ⅱ(UⅡ)对体外高糖培养的大鼠肾小球系膜细胞(MC)增殖影响的机制及意义。方法:体外高糖培养大鼠肾MC,分为5组:对照组及不同浓度UⅡ(10-7、10-8、10-9和10-10mol·L-1)组,37℃孵育24h,用流式细胞术分析处于细胞周期中S期的MC比例,MTT比色法检测细胞增殖率,BrdU-ELISA法测定细胞培养上清中BrdU含量。结果:MTT实验,UⅡ10-9及10-8mol·L-1组细胞增殖率明显高于对照组(P<0.05),UⅡ10-10及10-7mol·L-1组细胞增殖率与对照组比较差异无显著性(P>0.05);流式细胞术实验,UⅡ10-9及10-8mol·L-1组MC细胞周期中S期比例较对照组明显增加(P<0.05),UⅡ10-10及10-7mol·L-1组MC细胞周期中S期的比例与对照组比较差异无显著性(P>0.05);BrdU-ELISA实验,UⅡ10-9及10-8mol·L-1组MC培养上清中BrdU含量明显低于对照组(P<0.05),UⅡ10-10及10-7mol·L-1组MC培养上清中BrdU含量与对照组比较差异无显著性(P>0.05)。结论:10-9及10-8mol·L-1浓度的UⅡ对体外高糖培养的大鼠肾小球MC具有明显促增殖作用。 Objective To investigate the effect of urotensin Ⅱ (UⅡ) on proliferation of the rat mesangial cells (MC) cultivated with high glucose culture medium in vitro and explore its mechanism and significances.Methods The rat kidney MC cultivated with high glucose in vitro were divided into five groups:control group and different concentrations of UⅡ(10-7,10-8,10-9,10-10 mol·L-1)groups,incubated at 37℃ for 24 h,the proliferation rates in various groups were determined by MTT assay,the ratios of MC in S phase in var...
出处 《吉林大学学报(医学版)》 CAS CSCD 北大核心 2008年第6期931-934,共4页 Journal of Jilin University:Medicine Edition
基金 国家自然科学基金资助课题(30570855)
关键词 尾加压素Ⅱ 肾小球系膜细胞 细胞培养 细胞增殖 urotensin Ⅱ mesangial cells cell culture cell proliferation
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