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PLoS One:单链腺病毒能够有效的将基因转导到小鼠眼中的前段!

2017-08-04 cuiguizhong MedSci原创

美国哈佛大学干细胞研究所的Vandenberghe LH教授近日在在PLoS One杂志上发表了一项有趣的工作,他们研究了腺相关病毒(AAV)靶向眼前节的能力,最终发现,Anc80L65能够克服scAAV基因组障碍,具有靶向小梁网状组织TM和角膜的能力。

美国哈佛大学干细胞研究所的Vandenberghe LH教授近日在在PLoS One杂志上发表了一项有趣的工作,他们研究了腺相关病毒(AAV)靶向眼前节的能力,最终发现,Anc80L65能够克服scAAV基因组障碍,具有靶向小梁网状组织TM和角膜的能力。

腺相关病毒(AAV)被广泛用作视网膜基因治疗的基因递送载体,但其靶向眼前节的能力很少被研究,然而这蕴含着巨大的治疗机遇。先前的研究认为,自我递送的(sc)AAV对于从角膜到小梁网状组织(TM)的转导至关重要,但其限制性因素是其递送基因的大小,这可能是由于第二链合成中受阻造成的,而第二链的合成被认为是发挥功能所必须的。

在他们的工作中,他们研究了几种衣壳中为单链(ss)基因组的AAV病毒,以克服屏障,提高靶向角膜内皮和小梁网状组织的能力。 他们在体外对AAV2,8和最近合成的称为Anc80L65的AAV进行了研究,同时通过小鼠体内注射的方式,在体内也对这项病毒进行了研究。

他们的结果表明,在人类小梁网状组织(HTM)永生化细胞系等细胞系中,scAAV2在体外表现出优异的感染性; Anc80L65在单次腔内注射后,可以有效得转导至小鼠眼前节的所有组分,包括小梁网状组织、角膜基质和内皮细胞。这些结果表明,Anc80L65能够克服scAAV基因组障碍,具有靶向小梁网状组织TM和角膜的能力。这项研究扩大AAV在眼前段基因转导的潜在实验和治疗应用。

原文出处:

Wang, L.,Xiao R, Andres-Mateos E et al. Single stranded adeno-associated virus achieves efficient gene transfer to anterior segment in the mouse eye. PLoS One, 2017. 12(8): p. e0182473.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1790015, encodeId=01521e9001511, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fda6311, createdName=119337457, createdTime=Thu Aug 17 10:09:00 CST 2017, time=2017-08-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=230044, encodeId=c90f2300448e, content=学习了受益匪浅。, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDicHg2ldsSNmib46PmdzpO7CQEmPjuULp1v45zPWwMYhrnXgvl3OtmUCZSQfgITWn96X9moL94nUGA/0, createdBy=28072041016, createdName=131****1460, createdTime=Fri Aug 04 19:34:20 CST 2017, time=2017-08-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=230015, encodeId=f54d23001505, content=henhao, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NcXNhUvfhzd2VdicMnaLeK2Im5gKx4Ucxd8Bwu6S7RG0uILBFQx5HTW2bU4VricDYlQqN20ibASSMYAeGrZrrTpy2Q/0, createdBy=b10c1938054, createdName=1e0e5697m83(暂无匿称), createdTime=Fri Aug 04 18:16:13 CST 2017, time=2017-08-04, status=1, ipAttribution=)]
    2017-08-04 131****1460

    学习了受益匪浅。

    0

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    2017-08-04 1e0e5697m83(暂无匿称)

    henhao

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