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脂联素在动脉硬化中的保护作用 被引量:14

Protection of adiponectin against atherosclerosis
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摘要 脂联素(adiponectin)是一种脂肪组织特异性细胞因子,体外研究发现在受损伤的血管壁上存在脂联素的浓集。细胞培养证实脂联素具有抑制造血细胞分化的功能,可抑制巨噬细胞的吞噬活性及向泡沫细胞的转化;抑制血管内皮细胞及平滑肌细胞(SMC)的增殖、分化及向内皮下损伤区的迁移。而内皮细胞、巨噬细胞和SMC正是构成动脉粥样硬化灶的三要素。动物在体研究发现脂联素基因缺陷小鼠(adipo-/-)体内动脉内膜明显增厚。临床研究发现,正常人血循环中含有丰富的脂联素蛋白,而在肥胖、糖尿病及冠心病患者体内脂联素表达水平显著降低,是冠心病发病的独立危险因素。种种迹象表明脂联素在动脉粥样硬化的发生发展中扮演着一定的保护性角色。
作者 刘岩 邹大进
出处 《中国临床康复》 CSCD 2003年第21期2969-2970,共2页 Chinese Journal of Clinical Rehabilitation
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