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Sci Rep:外泌体miRNAs的变化或可预测1型糖尿病的发生

2017-08-06 MedSci MedSci原创

1型糖尿病(T1DM)是自身免疫攻击胰岛素产生ß细胞而导致的慢性高血糖的结果。外泌体是来自细胞的膜状脂质囊泡,富含特异性miRNA,或可为某特定疾病的诊断提供信息。为了评估从外泌体中提取的miRNAs作为T1DM诊断的生物标志物的价值。研究人员利用差速离心分离出血浆中的外泌体,并通过纳米粒子跟踪分析和透射电子显微镜观察证实外泌体的存在。提取出外泌体内的总RNA,然后比较了12个T1DM患者和12个

1型糖尿病(T1DM)是自身免疫攻击胰岛素产生ß细胞而导致的慢性高血糖的结果。外泌体是来自细胞的膜状脂质囊泡,富含特异性miRNA,或可为某特定疾病的诊断提供信息。

为了评估从外泌体中提取的miRNAs作为T1DM诊断的生物标志物的价值。研究人员利用差速离心分离出血浆中的外泌体,并通过纳米粒子跟踪分析和透射电子显微镜观察证实外泌体的存在。提取出外泌体内的总RNA,然后比较了12个T1DM患者和12个对照者miRNA的区别。

结果显示,T1DM患者外泌体中7种miRNA的表达与对照组不同(1个上调,6个下调)。然后通过qRT-PCRFenix在24名T1DM和24名对照者的中进行了验证。结果显示大部分下调的miRNAs参与了T1DM的发生。

总之,该研究结果表明,外泌体miRNAs具有诊断T1DM的潜力,并对T1DM发生的分子机制提供了新的见解。

原始出处:

Marta Garcia-Contreras, Sanket H. Shah, et al., Plasma-derived exosome characterization reveals a distinct microRNA signature in long duration Type 1 diabetes. Sci Rep. 2017; 7: 5998. Published online 2017 Jul 20. doi: 10.1038/s41598-017-05787-y.


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    2017-12-08 smallant2002
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    2018-07-10 dzx0922889
  3. [GetPortalCommentsPageByObjectIdResponse(id=1930480, encodeId=700e193048034, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=99, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Fri Dec 08 02:42:00 CST 2017, time=2017-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2005428, encodeId=71a22005428d7, content=<a href='/topic/show?id=d09f155461e' target=_blank style='color:#2F92EE;'>#RNAs#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15546, encryptionId=d09f155461e, topicName=RNAs)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=05a2499, createdName=dzx0922889, createdTime=Tue Jul 10 11:42:00 CST 2018, time=2018-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1312299, encodeId=15d2131229957, content=<a href='/topic/show?id=e5571193321' target=_blank style='color:#2F92EE;'>#miRNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11933, encryptionId=e5571193321, topicName=miRNA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e87d405, createdName=Homburg, createdTime=Tue Aug 08 09:42:00 CST 2017, time=2017-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1573453, encodeId=85fc15e345388, content=<a href='/topic/show?id=cfa41194855' target=_blank style='color:#2F92EE;'>#miRNAs#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11948, encryptionId=cfa41194855, topicName=miRNAs)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=303215877043, createdName=30397609, createdTime=Tue Aug 08 09:42:00 CST 2017, time=2017-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=231077, encodeId=561b2310e763, content=谢谢分享,学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4o2XVpJ6449yqDsjibydI5HnJ8MibGxNn4HZiaZib0bdfibbwoz3KQrIyN9AGxq36ZlZRNicYlPfOOWMtwgsajY6mGNFiaPclFdowjD0/0, createdBy=97bd1338592, createdName=清风拂面, createdTime=Mon Aug 07 11:37:08 CST 2017, time=2017-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=230792, encodeId=7416230e92b4, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Sun Aug 06 18:46:34 CST 2017, time=2017-08-06, status=1, ipAttribution=)]
    2017-08-08 Homburg
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    2017-08-08 30397609
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    2017-08-07 清风拂面

    谢谢分享,学习了

    0

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    2017-08-06 wxl882001

    学习一下

    0

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