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Sci Rep:研究进一步揭示miR-16-5p与肠道病毒71之间的作用关系

2017-12-05 MedSci MedSci原创

肠道病毒71(EV71)是手足口病(HFMD)的主要病原体。与其他引起手足口病的肠道病毒不同,EV71会导致严重的神经系统并发症,甚至死亡。微小RNAs(miRNAs)是小的非编码RNAs,参与了许多生物或病理过程。我们之前报道,通过研究手足口病患者中宿主miRNA的表达模式,发现miR-16-5p的表达水平会随着手足口病的严重程度而增加。然而,EV71诱导miR-16-5p表达的机制尚不清楚,E

肠道病毒71(EV71)是手足口病(HFMD)的主要病原体。与其他引起手足口病的肠道病毒不同,EV71会导致严重的神经系统并发症,甚至死亡。微小RNAs(miRNAs)是小的非编码RNAs,参与了许多生物或病理过程。

我们之前报道,通过研究手足口病患者中宿主miRNA的表达模式,发现miR-16-5p的表达水平会随着手足口病的严重程度而增加。然而,EV71诱导miR-16-5p表达的机制尚不清楚,EV71和miR-16-5p之间的相互作用也并不完全清楚。

本研究中,我们探究了EV71诱导的miR-16-5p在体外和体内的表达,发现EV71感染后miR-16-5p的上调可能发生在转录后水平。而且,EV71诱导的胱天蛋白酶活化促进了pri-miR-16-1的上调。此外,我们还发现miR-16-5p可以通过激活caspase-3促进EV71诱导的神经细胞凋亡,而miR-16-5p可以抑制EV71的复制。CCNE1和CCND1是两个重要的细胞周期调控因子,在miR-16-5p抑制EV71复制中发挥重要作用。因此,miR-16-5p是EV71诱导的细胞凋亡和病毒复制抑制剂的正反馈调节因子。

综上所述,该研究结果有助于理解miRNA与EV71感染之间的相互作用网络,并为开发抗病毒治疗提供新的潜在靶点。

原始出处:

Caishang Zheng,1,2 Zhenhua Zheng, et al., MiR-16-5p mediates a positive feedback loop in EV71-induced apoptosis and suppresses virus replication. Sci Rep. 2017; 7: 16422. doi:  10.1038/s41598-017-16616-7

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    2018-01-21 smallant2002
  2. [GetPortalCommentsPageByObjectIdResponse(id=1930561, encodeId=ed421930561c0, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Sun Jan 21 03:55:00 CST 2018, time=2018-01-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=267678, encodeId=f97626e67814, content=学习了谢谢作者分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3xJXLtMtt5B40XXuPjn9xn1rBhrM6fHLkX1hI86ZoWoPJkgDkZuJNKkBfBHOcRd1fAdezg7JlHNOokohdAp3WkI/0, createdBy=32c81964262, createdName=1e145228m78(暂无匿称), createdTime=Fri Dec 08 05:44:27 CST 2017, time=2017-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1454616, encodeId=28a214546166a, content=<a href='/topic/show?id=2bd981e071f' target=_blank style='color:#2F92EE;'>#肠道病毒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81707, encryptionId=2bd981e071f, topicName=肠道病毒)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=2a9a5579963, createdName=liye789132253, createdTime=Thu Dec 07 13:55:00 CST 2017, time=2017-12-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=267372, encodeId=dddf26e372bb, content=学习学习.继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=93f31631454, createdName=1dd8c52fm63(暂无匿称), createdTime=Wed Dec 06 23:24:09 CST 2017, time=2017-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=267119, encodeId=6a5226e11902, content=学习了很有用, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib3IzoRn621JdKCFUI4XvNELcibocrAVU6aUzEVDSaf3rYH08PUYUiagGqxAEhj8g9WqqNvD1CupIpCrmnR2OrqHZh/0, createdBy=7f181365728, createdName=飛歌, createdTime=Wed Dec 06 01:16:54 CST 2017, time=2017-12-06, status=1, ipAttribution=)]
    2017-12-08 1e145228m78(暂无匿称)

    学习了谢谢作者分享!

    0

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    2017-12-06 1dd8c52fm63(暂无匿称)

    学习学习.继续关注

    0

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    2017-12-06 飛歌

    学习了很有用

    0

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