NAT NANOTECHNOL:纳米转染介导非病毒基因重编程

2017-08-08 海北 MedSci原创

细胞疗法作为一种新型治疗手段有着很大的运用潜能,但是目前该疗法还面临着很多转化障碍,包括有限的细胞来源和繁琐的预处理步骤(如分离,诱导多能性)等。在体重编程可以通过使用容易获得的细胞来源(如成纤维细胞),并规避繁琐的体外预处理步骤,使得细胞疗法更具运用潜能。

细胞疗法作为一种新型治疗手段有着很大的运用潜能,但是目前该疗法还面临着很多转化障碍,包括有限的细胞来源和繁琐的预处理步骤(如分离,诱导多能性)等。在体重编程可以通过使用容易获得的细胞来源(如成纤维细胞),并规避繁琐的体外预处理步骤,使得细胞疗法更具运用潜能。但是,现有的在体重编程方法还不够完美,对病毒转染有严重的依赖性。病毒衣壳的尺寸和(病毒和非病毒)状态的随机性质也限制了在体重编程的进行。因此,现在我们急需一种更加安全和稳定的体内重编程方法。来自俄亥俄州立大学的研究人员最近开发了一种简单易用的非病毒转染手段,可以利用纳米通道设备实现局部重编程。该设备已被证实可以诱导神经元和内皮重编程。这种纳米组织转染是通过高度集中的电场以及纳米阵列通道,直接向细胞内递送重编程因子。这些良性纳米颗粒会和组织细胞膜并联,而后利用电流将重编程因子驱动到细胞内。研究人员还利用损伤诱发的小鼠缺血模型,证实了该方法可以拯救坏死组织和全肢。 基于纳米通道的转染可能是一种更加简单实用的在体重编程手段。 原始出处: Daniel Gallego-Perez et al. Topical tissue nano-tra

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    2018-05-05 liye789132251
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    2018-06-11 shock_melon
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    2017-08-12 大爰

    学习并分享!!

    0

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    2017-08-10 大爰

    学习并分享!!

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1882341, encodeId=730b188234181, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sat May 05 14:31:00 CST 2018, time=2018-05-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1652208, encodeId=712a1652208d9, content=<a href='/topic/show?id=13d01e24509' target=_blank style='color:#2F92EE;'>#TEC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17245, encryptionId=13d01e24509, topicName=TEC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=852f24292001, createdName=shock_melon, createdTime=Mon Jun 11 13:31:00 CST 2018, time=2018-06-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1819559, encodeId=186118195594f, content=<a href='/topic/show?id=7df79956800' target=_blank style='color:#2F92EE;'>#非病毒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=99568, encryptionId=7df79956800, topicName=非病毒)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ba5f232, createdName=zhao4616, createdTime=Mon Dec 18 22:31:00 CST 2017, time=2017-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=232761, encodeId=c50e232e6118, content=学习并分享!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200816/e4675a86ea694f12b82202b320dc2654/12f6b900498349e994ce8f516a584d6a.jpg, createdBy=09431951290, createdName=大爰, createdTime=Sat Aug 12 08:34:39 CST 2017, time=2017-08-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=232016, encodeId=aff82320169d, content=学习并分享!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200816/e4675a86ea694f12b82202b320dc2654/12f6b900498349e994ce8f516a584d6a.jpg, createdBy=09431951290, createdName=大爰, createdTime=Thu Aug 10 06:17:24 CST 2017, time=2017-08-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=231765, encodeId=7f6d231e6526, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Wed Aug 09 10:27:31 CST 2017, time=2017-08-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=231388, encodeId=0538231388c0, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4mzqK7XHyH86ToibWNdzamnZozW6yiceXFib4QHq1lCOia34v7bgwXUIH1Rdnoqia2y6ibLX156v1xmicZw/0, createdBy=15891613430, createdName=xuexin53, createdTime=Tue Aug 08 08:11:41 CST 2017, time=2017-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=231374, encodeId=f0be2313e4db, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Tue Aug 08 07:47:03 CST 2017, time=2017-08-08, status=1, ipAttribution=)]
    2017-08-09 yfjms

    学习了

    0

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    2017-08-08 xuexin53

    学习

    0

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    2017-08-08 yfjms

    学习了

    0

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