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Stroke:高水平IL-16可降低人类动脉粥样硬化的风险

2015-09-02 崔倩 译 MedSci原创

白细胞介素16(IL-16)是T细胞生长的调节因子,是细胞迁移的诱导剂。本研究的目的是要确定的IL-16在人的颈动脉斑块中的测定是否与症状(例如,卒中,短暂性脑缺血发作,或过性黑蒙),斑块稳定性标志物,和手术后的心血管事件相关联。研究人员对动脉内膜切除术前1个月内发生≥1脑血管缺血性事件中获得斑块(n=111)与无症状患者的斑块(n95)进行了比较。中性脂质,平滑肌细胞和巨噬细胞含量通过组织学评价

白细胞介素16(IL-16)是T细胞生长的调节因子,是细胞迁移的诱导剂。本研究的目的是要确定的IL-16在人的颈动脉斑块中的测定是否与症状(例如卒中、短暂性脑缺血发作、或一过性黑蒙),斑块稳定性标志物和手术后的心血管事件相关联。

研究人员对动脉内膜切除术前1个月内发生≥1脑血管缺血性事件中获得斑块(n=111)与无症状患者的斑块(n=95)进行了比较。中性脂质、平滑肌细胞和巨噬细胞含量通过组织学评价,胶原蛋白、弹性蛋白和Caspase-3活性通过生物化学反应进行了测定。斑块组织匀浆中的金属蛋白酶、IL-16、基质金属蛋白酶、和组织抑制剂使用多重免疫测定进行测定。IL-16、CD3、CD4、和FoxP3的mRNA在颈动脉斑块中的表达通过实时定量聚合酶链反应进行了分析。

来自于无症状患者颈动脉斑块有较高IL-16 mRNA水平。高斑块IL-16蛋白水平(高于中值)在平均随访的21个月中与术后心血管事件的发生率降低相关(危险比0.47;95%置信区间,0.22-0.99;P=0.047)。IL-16的水平与斑块稳定组分相关:弹性蛋白、胶原蛋白、基质金属蛋白酶-2、金属蛋白酶-1组织抑制剂、金属蛋白酶-2和FoxP3的mRNA的组织抑制剂。

这项研究表明,高水平的IL-16与无症状颈动脉斑块,因素促成斑块的稳定性表达,以及手术后2年期间新的心血管事件的危险性下降相关,这表明IL-16可能在人类动脉粥样硬化中有一定的保护作用。

原始出处:

Caitríona Grönberg,Eva Bengtsson, Gunilla Nordin Fredrikson, et al.Human Carotid Plaques With High Levels of Interleukin-16 Are Associated With Reduced Risk for Cardiovascular Events,Stroke,2015.9.1

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1944389, encodeId=2784194438925, content=<a href='/topic/show?id=411de6300ad' target=_blank style='color:#2F92EE;'>#粥样硬化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76300, encryptionId=411de6300ad, topicName=粥样硬化)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b30d401, createdName=huangshifeng, createdTime=Wed Jan 13 07:47:00 CST 2016, time=2016-01-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=36515, encodeId=d7fa3651516, content=白介素家族……, beContent=null, objectType=article, channel=null, level=null, likeNumber=180, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a071647265, createdName=chilam216, createdTime=Wed Sep 09 00:16:00 CST 2015, time=2015-09-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1508173, encodeId=7b3215081e313, content=<a href='/topic/show?id=8d4596248e' target=_blank style='color:#2F92EE;'>#IL-1#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9624, encryptionId=8d4596248e, topicName=IL-1)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f6cf9946833, createdName=jjjiang0202, createdTime=Thu Sep 03 23:47:00 CST 2015, time=2015-09-03, status=1, ipAttribution=)]
    2015-09-09 chilam216

    白介素家族……

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  3. [GetPortalCommentsPageByObjectIdResponse(id=1944389, encodeId=2784194438925, content=<a href='/topic/show?id=411de6300ad' target=_blank style='color:#2F92EE;'>#粥样硬化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76300, encryptionId=411de6300ad, topicName=粥样硬化)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b30d401, createdName=huangshifeng, createdTime=Wed Jan 13 07:47:00 CST 2016, time=2016-01-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=36515, encodeId=d7fa3651516, content=白介素家族……, beContent=null, objectType=article, channel=null, level=null, likeNumber=180, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a071647265, createdName=chilam216, createdTime=Wed Sep 09 00:16:00 CST 2015, time=2015-09-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1508173, encodeId=7b3215081e313, content=<a href='/topic/show?id=8d4596248e' target=_blank style='color:#2F92EE;'>#IL-1#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9624, encryptionId=8d4596248e, topicName=IL-1)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f6cf9946833, createdName=jjjiang0202, createdTime=Thu Sep 03 23:47:00 CST 2015, time=2015-09-03, status=1, ipAttribution=)]
    2015-09-03 jjjiang0202
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