Nat Commun:利用AAV测更**靶向肿瘤

2015-02-13 佚名 生物谷

近日,来自著名国际期刊nature communication在线发表了德国科学家一项最新研究成果,他们利用腺相关病毒靶向细胞表面受体,对细胞进行特异性基因修饰,并通过体内实验证明,这种方法可以实现对靶向细胞的精确制导,无脱靶效应。这项研究为特异性靶向细胞进行基因修饰提供了一种精确可行的方法。   研究人员发现靶向受体的腺相关病毒载体能够在体外和体内对罕见细胞类型进行基因修饰,实现精

近日,来自著名国际期刊nature communication在线发表了德国科学家一项最新研究成果,他们利用腺相关病毒靶向细胞表面受体,对细胞进行特异性基因修饰,并通过体内实验证明,这种方法可以实现对靶向细胞的精确制导,无脱靶效应。这项研究为特异性靶向细胞进行基因修饰提供了一种精确可行的方法。
 
研究人员发现靶向受体的腺相关病毒载体能够在体外和体内对罕见细胞类型进行基因修饰,实现精确制导无脱靶。他们在病毒衣壳上添加人工设计的ankyrin重复蛋白(DARPins),并小心清除DARPin缺陷病毒颗粒,利用AAV能够特异性识别Her2/neu,EpCAM以及CD4。
 
通过静脉给药,将载体导入体内,与细胞抑制性抗体Herceptin相比,AAV可以靶向肿瘤抗原Her2/neu,追踪高达75%的肿瘤位点,延长存活时间。靶向CD4的AAV能够识别人化小鼠脾脏中的CD4阳性细胞,CD8阳性细胞以及肝脏和其他器官中的CD4细胞均未发现脱靶性修饰。通过模拟循环系统癌细胞的生长环境,EpCAM-AAV能够检测人类血液中的肿瘤细胞。因此,这项研究提供了一种具有抗体类似特异性的靶向细胞输送基因的方法。
 
综上所述,该文章提出利用腺相关病毒进行基因转运,实现对靶向细胞的特异性基因修饰,通过体内实验证明了AAV对实体肿瘤细胞,CD4阳性细胞和血液系统肿瘤细胞的特异性识别。这项研究为在体内追踪肿瘤干细胞提供了一条具有可行性的策略。

原始出处

Münch RC1, Muth A1, Muik A1, Friedel T1, Schmatz J2, Dreier B3, Trkola A4, Plückthun A3, Büning H2, Buchholz CJ5.Off-target-free gene delivery by affinity-purified receptor-targeted viral vectors.Nat Commun. 2015 Feb 10

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    2015-08-02 liuli5079
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    2015-03-31 liye789132251
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    2015-05-16 ljjj1053

    很不错学习了

    0

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    2015-02-21 orthoW

    非常好的文章,学习

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=2086766, encodeId=3a112086e66e5, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Sun Aug 02 00:09:00 CST 2015, time=2015-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1880509, encodeId=7a781880509a5, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Tue Mar 31 16:09:00 CST 2015, time=2015-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23670, encodeId=dff6236e0fd, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=ac181616815, createdName=ljjj1053, createdTime=Sat May 16 19:24:00 CST 2015, time=2015-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16659, encodeId=6f961665950, content=非常好的文章,学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=117, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Sat Feb 21 10:46:00 CST 2015, time=2015-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16582, encodeId=0d111658217, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=133, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:16:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15687, encodeId=c15e1568e7e, content=小编评论亮了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 13:45:00 CST 2015, time=2015-02-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1271853, encodeId=eca712e18533b, content=<a href='/topic/show?id=9fef169483' target=_blank style='color:#2F92EE;'>#AAV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1694, encryptionId=9fef169483, topicName=AAV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8ba7103, createdName=xuqianhua, createdTime=Sun Feb 15 00:09:00 CST 2015, time=2015-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15424, encodeId=75701542492, content=AAV有前途, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=49.4.167.**, createdTime=Sat Feb 14 19:19:00 CST 2015, time=2015-02-14, status=1, ipAttribution=)]
    2015-02-20 orthoW

    很不错学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2086766, encodeId=3a112086e66e5, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Sun Aug 02 00:09:00 CST 2015, time=2015-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1880509, encodeId=7a781880509a5, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Tue Mar 31 16:09:00 CST 2015, time=2015-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23670, encodeId=dff6236e0fd, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=ac181616815, createdName=ljjj1053, createdTime=Sat May 16 19:24:00 CST 2015, time=2015-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16659, encodeId=6f961665950, content=非常好的文章,学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=117, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Sat Feb 21 10:46:00 CST 2015, time=2015-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16582, encodeId=0d111658217, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=133, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:16:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15687, encodeId=c15e1568e7e, content=小编评论亮了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 13:45:00 CST 2015, time=2015-02-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1271853, encodeId=eca712e18533b, content=<a href='/topic/show?id=9fef169483' target=_blank style='color:#2F92EE;'>#AAV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1694, encryptionId=9fef169483, topicName=AAV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8ba7103, createdName=xuqianhua, createdTime=Sun Feb 15 00:09:00 CST 2015, time=2015-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15424, encodeId=75701542492, content=AAV有前途, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=49.4.167.**, createdTime=Sat Feb 14 19:19:00 CST 2015, time=2015-02-14, status=1, ipAttribution=)]
    2015-02-16 windmilL1989

    小编评论亮了

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=2086766, encodeId=3a112086e66e5, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Sun Aug 02 00:09:00 CST 2015, time=2015-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1880509, encodeId=7a781880509a5, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Tue Mar 31 16:09:00 CST 2015, time=2015-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23670, encodeId=dff6236e0fd, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=ac181616815, createdName=ljjj1053, createdTime=Sat May 16 19:24:00 CST 2015, time=2015-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16659, encodeId=6f961665950, content=非常好的文章,学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=117, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Sat Feb 21 10:46:00 CST 2015, time=2015-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16582, encodeId=0d111658217, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=133, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:16:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15687, encodeId=c15e1568e7e, content=小编评论亮了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 13:45:00 CST 2015, time=2015-02-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1271853, encodeId=eca712e18533b, content=<a href='/topic/show?id=9fef169483' target=_blank style='color:#2F92EE;'>#AAV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1694, encryptionId=9fef169483, topicName=AAV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8ba7103, createdName=xuqianhua, createdTime=Sun Feb 15 00:09:00 CST 2015, time=2015-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15424, encodeId=75701542492, content=AAV有前途, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=49.4.167.**, createdTime=Sat Feb 14 19:19:00 CST 2015, time=2015-02-14, status=1, ipAttribution=)]
    2015-02-15 xuqianhua
  8. [GetPortalCommentsPageByObjectIdResponse(id=2086766, encodeId=3a112086e66e5, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Sun Aug 02 00:09:00 CST 2015, time=2015-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1880509, encodeId=7a781880509a5, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Tue Mar 31 16:09:00 CST 2015, time=2015-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23670, encodeId=dff6236e0fd, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=ac181616815, createdName=ljjj1053, createdTime=Sat May 16 19:24:00 CST 2015, time=2015-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16659, encodeId=6f961665950, content=非常好的文章,学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=117, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Sat Feb 21 10:46:00 CST 2015, time=2015-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16582, encodeId=0d111658217, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=133, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:16:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15687, encodeId=c15e1568e7e, content=小编评论亮了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 13:45:00 CST 2015, time=2015-02-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1271853, encodeId=eca712e18533b, content=<a href='/topic/show?id=9fef169483' target=_blank style='color:#2F92EE;'>#AAV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1694, encryptionId=9fef169483, topicName=AAV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8ba7103, createdName=xuqianhua, createdTime=Sun Feb 15 00:09:00 CST 2015, time=2015-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15424, encodeId=75701542492, content=AAV有前途, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=49.4.167.**, createdTime=Sat Feb 14 19:19:00 CST 2015, time=2015-02-14, status=1, ipAttribution=)]
    2015-02-14 49.4.167.**

    AAV有前途

    0