SCI REP:ADAMTS-7与人类动脉粥样硬化中的高风险斑块表型有关

2017-06-19 MedSci MedSci原创

我们表明,ADAMTS-7在晚期人类颈动脉斑块中与易发斑块特征相关,导致症状表现上升,增加CV事件风险。 这些发现支持以前对ADAMTS-7潜在的致动脉粥样硬化作用的研究。

几种大规模的全基因组关联研究已经在一种具有血小板反应蛋白1型重复(ADAMTS)-7的金属蛋白酶的基因组区域中识别出单链核苷酸多态性,且与冠状动脉疾病的关联。实验研究提供了ADAMTS-7在损伤诱导的血管新生内膜形成和动脉粥样硬化病变发展中的功能作用的证据。然而,ADAMTS-7是否与人类特异性斑块表型相关,尚未得到研究。通过免疫组织化学分析了患有脑血管症状患者和不伴有脑血管症状的颈动脉斑块(n = 206)的(ADAMTS)-7的表达,并且发现其与斑块脆弱性相关的组分相关。来自症状患者的斑块与无症状患者的斑块相比,ADAMTS-7的表达水平升高。高水平的ADAMTS-7与高水平的CD68染色和脂质含量相关,与低平滑肌细胞和胶原蛋白含量相关,这四项结合在一起是脆弱斑块表型的特征。高于中位数的ADAMTS-7水平与术后心血管事件的风险增加相关。我们的数据显示ADAMTS-7与人类颈动脉病变中脆弱的斑块表型有关。这些数据支持了先前观察到的ADAMTS-7具有潜在的致动脉粥样硬化作用的研究。

结论:总之,我们表明,ADAMTS-7在晚期人类颈动脉斑块中与易发斑块特征相关,导致症状表现上升,增加CV事件风险。 这些发现支持以前对ADAMTS-7潜在的致动脉粥样硬化作用的研究。

原文出处:

Anna Hultg rdh-Nilsson,Isabel Gon alves,et al.ADAMTS-7 is associated with a high-risk plaque phenotype in human atherosclerosis.[J]Scientific Reports 7, Article number:3753(2017).doi:10.1038/s41598-017-03573-4

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    2017-06-21 般若傻瓜
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    2017-06-21 tastas

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