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脂联素对高糖环境下内皮细胞MCP-1表达的影响

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摘要 目的研究脂联素对高糖时的人脐静脉内皮细胞单核细胞趋化蛋白-1(MCP-1)表达的影响,探讨脂联素在糖尿病动脉粥样硬化中的作用。方法采用正常糖浓度(5.5 mmol/L)、高糖浓度(25 mmol/L)、高糖浓度+不同浓度脂联素(脂联素浓度分别为2.5μg/mL、5μg/mL、10μg/mL、20μg/mL)与人脐静脉内皮细胞培养48 h。用酶联免疫吸附试验(ELISA)检测细胞培养上清中MCP-1含量。结果高糖刺激人脐静脉内皮细胞后MCP-1含量升高,加入低浓度脂联素后,细胞上清液中MCP-1的含量较高糖组影响不大,而随着脂联素浓度的升高,MCP-1的含量明显下降(P<0.05),且呈剂量依赖性。结论一定浓度的脂联素可以有效抑制高糖诱导的人脐静脉内皮细胞MCP-1的表达。
作者 魏宏慧 李兴
出处 《中西医结合心脑血管病杂志》 2009年第6期692-693,共2页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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