Stroke:蛛网膜下腔出血后脑脊液中miRNA的变化!

2017-08-08 shaosai MedSci原创

蛛网膜下腔出血(SAH)是指血液流入脑表面软膜与蛛网膜之间的腔隙即蛛网膜下腔。造成SAH的原因多样,根据病因,可分为外伤性SAH和自发性SAH。外伤是SAH最多见的原因。而危害性最大的是自发性SAH,发病凶险,10-15%的病人来不及送达医院就已经死亡。80%的自发性SAH是由脑动脉瘤破裂引起的,再出血是十分危险的,70%的病人由于动脉瘤再次破裂导致死亡。迟发型脑梗死是动脉瘤破裂后SAH后致残致死

蛛网膜下腔出血(SAH)是指血液流入脑表面软膜与蛛网膜之间的腔隙即蛛网膜下腔。造成SAH的原因多样,根据病因,可分为外伤性SAH和自发性SAH。外伤是SAH最多见的原因。而危害性最大的是自发性SAH,发病凶险,10-15%的病人来不及送达医院就已经死亡。80%的自发性SAH是由脑动脉瘤破裂引起的,再出血是十分危险的,70%的病人由于动脉瘤再次破裂导致死亡。迟发型脑梗死是动脉瘤破裂后SAH后致残致死的主要原因之一。miRNAs参与急性脑梗死的病理生理学过程。本研究为了比较神经功能健全的患者和SAH有或无并发迟发型脑梗死(DCI)的患者中miRNA的特点,并将结果发表在stroke上。

本前瞻性病例对照研究纳入了脑室体外引流的SAH患者和无神经功能障碍的患者。利用两种高通量实时量化PCR技术对脑脊液(CSF)中miRNA特点进行筛查和验证。由两名内科医生独立地对发生DCI的病情进行记录。

有27例SAH患者和无神经功能障碍患者的miRNA的质量达到标准。与无神经功能障碍患者相比,有66例SAH患者的CSF miRNA量相对升高( P<0.001)。与无DCI发生的SAH患者相比,在有DCI的SAH患者中有2(miR-21 and miR-221)表现出相对升高( P<0.05)。

本研究表明,SAH与CSF中的miRNA分布图改变相关,这些改变可能提示有DCI发生的可能。

原始出处:

Bache S, Rasmussen R, Rossing M, et al,MicroRNA Changes in Cerebrospinal Fluid After Subarachnoid Hemorrhage. Stroke. 2017.DOI: 10.1161/STROKEAHA.117.017804

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    2017-11-21 smallant2002
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    2017-12-05 aliceclz
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    2017-08-12 1e145228m78(暂无匿称)

    学习了,谢谢作者分享!

    0

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    2017-08-10 Homburg
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    2017-08-09 suibian2007bbb

    学习

    0

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    2017-08-08 海棠胜雪

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