Int J Mol Sci:BMP-2表达质粒DNA3D转染原代人干细胞的新方法

2018-12-29 MedSci MedSci原创

离体基因疗法为基于细胞的疗法提供了巨大的潜力,然而,繁琐的体外细胞培养条件限制了其在临床实践中的使用。我们优化了一种创新策略,用于在5分钟内在悬浮的人类干细胞中瞬时转染表达骨形态发生蛋白-2(BMP-2)的质粒,从而有效地将转染的细胞加载到3D水凝胶系统中。基于脂质的DNA纳米颗粒(脂质复合物)的这种短的孵育时间降低了细胞毒性,同时减少了移植细胞的处理时间。BMP-2质粒转染的包封的人间充质基质/

离体基因疗法为基于细胞的疗法提供了巨大的潜力,然而,繁琐的体外细胞培养条件限制了其在临床实践中的使用。我们优化了一种创新策略,用于在5分钟内在悬浮的人类干细胞中瞬时转染表达骨形态发生蛋白-2(BMP-2)的质粒,从而有效地将转染的细胞加载到3D水凝胶系统中。

基于脂质的DNA纳米颗粒(脂质复合物)的这种短的孵育时间降低了细胞毒性,同时减少了移植细胞的处理时间。BMP-2质粒转染的包封的人间充质基质/干细胞(hMSC)在前三天内表现出成骨转录因子,即RUNX2的高表达,而非软骨形成因子(SOX9)。这种激活也反映在7天和21天的实验中,表明诱导成骨而非软骨形成。

研究人员相信在原代MSC中证实的瞬时转染方法可以适用于不同基于细胞的治疗应用的其他治疗基因。

原始出处:

Paidikondala M, Kadekar S, Varghese OP. Innovative Strategy for 3D Transfection of Primary Human Stem Cells with BMP-2 Expressing Plasmid DNA: A Clinically Translatable Strategy for Ex Vivo Gene Therapy. Int J Mol Sci. 2018 Dec 23;20(1). pii: E56. doi: 10.3390/ijms20010056.

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    2019-12-12 HNYYM
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1813393, encodeId=0d75181339306, content=<a href='/topic/show?id=44de923e31b' target=_blank style='color:#2F92EE;'>#质粒DNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=92373, encryptionId=44de923e31b, topicName=质粒DNA)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTK17mLkWpia3T92NlEWTkEhrhZa7XPNic2JqQumEicZXGYFG6Ww5SCIl0Uq62bhhPnibAqIZDHtRva92A/132, createdBy=e0752500025, createdName=江川靖瑶, createdTime=Mon Jul 01 01:42:00 CST 2019, time=2019-07-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1903354, encodeId=1eae190335422, content=<a href='/topic/show?id=e1b0583884b' target=_blank style='color:#2F92EE;'>#新方法#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58388, encryptionId=e1b0583884b, topicName=新方法)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c22f171, createdName=kord1982, createdTime=Mon Jan 14 08:42:00 CST 2019, time=2019-01-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1634058, encodeId=b06e16340581a, content=<a href='/topic/show?id=596635e549' target=_blank style='color:#2F92EE;'>#BMP#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3575, encryptionId=596635e549, topicName=BMP)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d95322064897, createdName=HNYYM, createdTime=Thu Dec 12 14:42:00 CST 2019, time=2019-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1642666, encodeId=e31b164266607, content=<a href='/topic/show?id=814c35e6e2' target=_blank style='color:#2F92EE;'>#BMP-2#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3576, encryptionId=814c35e6e2, topicName=BMP-2)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=120c22999408, createdName=12498f17m73暂无昵称, createdTime=Sun Jan 06 11:42:00 CST 2019, time=2019-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1336090, encodeId=a6e81336090c8, content=<a href='/topic/show?id=792612047e' target=_blank style='color:#2F92EE;'>#3D#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=19, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1204, encryptionId=792612047e, topicName=3D)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Mon Dec 31 10:42:00 CST 2018, time=2018-12-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=356692, encodeId=2335356692fb, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Sat Dec 29 21:14:51 CST 2018, time=2018-12-29, status=1, ipAttribution=)]
    2018-12-29 医者仁心5538

    学习了

    0