Nano Lett:抗肿瘤纳米药物递送系统方面新进展

2018-12-08 佚名 华科大生命学院

近日,纳米领域权威期刊《纳米快报》(Nano Letters)刊发了华中科技大学生命科学与技术学院、国家纳米药物工程技术研究中心杨祥良教授团队题为“Hydrophobicity-Adaptive Nanogels for Programmed Anticancer Drug Delivery”的研究论文。

近日,纳米领域权威期刊《纳米快报》(Nano Letters)刊发了华中科技大学生命科学与技术学院、国家纳米药物工程技术研究中心杨祥良教授团队题为“Hydrophobicity-Adaptive Nanogels for Programmed Anticancer Drug Delivery”的研究论文。

对于目前的抗肿瘤纳米药物来说,如何实现体内长循环、肿瘤部位高效富集及深部穿透、被肿瘤细胞和肿瘤干细胞有效摄取及可控释药仍然是其面临的主要挑战。纳米特征,如粒径、电位、亲疏水性等深刻影响纳米药物的体内过程。本研究通过构建一种基于聚(N-异丙基丙烯酰胺)的温敏纳米凝胶,发展了一种非PEG化亲疏水性反转策略。这种纳米凝胶在血液循环过程中具有亲水性,可以延长其血液循环时间;一旦它们聚集在肿瘤部位,就会对肿瘤组织的酸性微环境迅速响应而反转成疏水性,这种自适应疏水性有利于其在肿瘤部位的富集、肿瘤深部穿透及被肿瘤细胞和肿瘤干细胞高效摄取;结合溶酶体pH调节的电荷反转和对胞内氧化还原响应的药物释放能力,此纳米凝胶可以从溶酶体中逃逸并释放负载的化疗药物阿霉素。因此,该纳米凝胶载药系统具有良好的抗肿瘤及杀伤肿瘤干细胞的能力,并减少了阿霉素的毒副作用。这一研究为设计更加安全有效的抗肿瘤药物递送系统提供了新思路。

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    2020-06-05 ms3000000658373469

    刚好需要

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    2018-12-14 天地飞扬

    了解一下,谢谢分享!

    0

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    2018-12-10 xugc
  6. [GetPortalCommentsPageByObjectIdResponse(id=601520, encodeId=3e396015201f, content=刚好需要, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=33635381290, createdName=ms3000000658373469, createdTime=Fri Jun 05 20:06:17 CST 2020, time=2020-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1804621, encodeId=b44f1804621d1, content=<a href='/topic/show?id=20cae745155' target=_blank style='color:#2F92EE;'>#纳米药#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77451, encryptionId=20cae745155, topicName=纳米药)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6c32257, createdName=DEXTER3139, createdTime=Tue Jun 04 03:55:00 CST 2019, time=2019-06-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1804658, encodeId=3f351804658f4, content=<a href='/topic/show?id=6ee2e74554c' target=_blank style='color:#2F92EE;'>#纳米药物递送#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77455, encryptionId=6ee2e74554c, topicName=纳米药物递送)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e524260, createdName=dinorsor524, createdTime=Sun Jul 21 16:55:00 CST 2019, time=2019-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355421, encodeId=7a2d3554215a, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Dec 14 21:36:44 CST 2018, time=2018-12-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1475688, encodeId=e3b814e568898, content=<a href='/topic/show?id=cbcce745264' target=_blank style='color:#2F92EE;'>#纳米药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77452, encryptionId=cbcce745264, topicName=纳米药物)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a11c7248108, createdName=xugc, createdTime=Mon Dec 10 09:55:00 CST 2018, time=2018-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1568555, encodeId=889d156855582, content=<a href='/topic/show?id=838794862d0' target=_blank style='color:#2F92EE;'>#递送系统#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94862, encryptionId=838794862d0, topicName=递送系统)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=68f115392320, createdName=lingaifan, createdTime=Mon Dec 10 09:55:00 CST 2018, time=2018-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=354899, encodeId=ca2b35489974, content=学习学习谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTLbTp9nZtjwVrSZNxAXbAicnKQWnic2eBdJUQYhxO36XdkstSicr7FVF8p5ReH4omtmsbnLdvZLiaJJ1A/132, createdBy=8bff2327056, createdName=kafei, createdTime=Sun Dec 09 09:38:03 CST 2018, time=2018-12-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=354835, encodeId=71c4354835f4, content=好好学习天天向上, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM6DGOvNrRdcib3UmzMgpEQpl0ENSJScphsFtdgfibXX1g1IuEYGCjP23UqCd52TxTpSZibtPiclyusaHicnNXd78alaia19Qy1nAFo18/0, createdBy=50381491660, createdName=zwjnj2, createdTime=Sat Dec 08 19:30:05 CST 2018, time=2018-12-08, status=1, ipAttribution=)]
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    2018-12-09 kafei

    学习学习谢谢

    0

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    2018-12-08 zwjnj2

    好好学习天天向上

    0

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