天麻素对高糖诱导的人脐静脉内皮细胞氧化应激的影响
Effect of gastrodin against oxidative stress induced by high glucose in human umbilical vein endothelial cells
查看参考文献12篇
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文摘
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目的考察天麻素对高糖诱导的人脐静脉内皮细胞(HUVEC)氧化应激的影响。方法建立高糖诱导的HUVEC氧化损伤模型,用不同质量浓度的天麻素干预。MTT法检测HUVEC存活率;相关试剂盒测定一氧化碳(NO)的量、超氧化物歧化酶(SOD)和过氧化氢酶(CAT)以及总抗氧化能力(T-AOC)的活性、丙二醛(MDA)的量,DCFH-DA染色法检测胞内活性氧(ROS)水平,实时荧光定量PCR法测定细胞中NF-κB基因的表达。结果与对照组相比,模型组HUVEC氧化应激作用明显增强,而天麻素能提高HUVEC中NO的量及SOD和CAT活性,提高细胞的总抗氧化能力,降低MDA的量与ROS水平,显著降低细胞中NF-κB基因的表达。结论天麻素通过提高抗氧化酶活性、降低脂质过氧化产物和ROS水平,抑制高糖诱导的HUVEC氧化应激作用,其作用机制可能与NF-κB通路密切相关。 |
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其他语种文摘
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Objective To investigate the effect of gastrodin against oxidative stress induced by high glucose in human umbilical vein endothelial cells (HUVEC). Methods Primary HUVEC were isolated and cultured, then the oxidative injury model of HUVEC was established by high glucose, and the cells were treated with different concentration of gastrodin. The cell viability of HUVEC, nitric oxide (NO) content, superoxide dismutase (SOD) and catalase (CAT) activities, total anti-oxidative capacity (T-AOC), malondialdehyde (MDA) content, and intracellular reactive oxygen species (ROS) level were determined. Furthermore, the expression of NF-κB mRNA in HUVEC was also detected by real-time fluorescent quantitative PCR. Results Compared with the control group, the oxidative stress was strengthened obviously in cells treated with high glucose. However, gastrodin could increase the activity of SOD and CAT and enhance T-AOC in HUVEC. Meanwhile, the amounts of MDA and ROS were decreased, and the level of NF-κB mRNA was also reduced markedly. Conclusion These results indicate that gastrodin could inhibit the oxidative stress in HUVEC by enhancing the activity of anti-oxidative enzyme, and decreasing the amounts of lipid peroxidation products and ROS. The mechanism may be involved in NF-κB pathway. |
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来源
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中草药
,2013,44(15):2118-2123 【核心库】
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DOI
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10.7501/j.issn.0253-2670.2013.15.017
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关键词
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天麻素
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高糖
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氧化应激
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人脐静脉内皮细胞
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NF-κB
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地址
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1.
福建华侨大学化工学院制药工程系, 福建, 厦门, 361021
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河南中医学院药学院, 河南, 郑州, 450008
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兰州大学, 功能有机分子化学国家重点实验室, 甘肃, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0253-2670 |
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学科
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中国医学 |
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基金
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国家自然科学基金
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华侨大学侨办基金
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福建省自然科学基金
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文献收藏号
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CSCD:4912428
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