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Macromol Biosci:无细胞各向异性支架原位诱导软骨-软骨下骨缺损再生

2017-05-28 佚名 MaterialsViews

骨软骨缺损会导致软骨层及软骨下骨的破坏。由于特殊的物理结构,生物体难以自发实现骨软骨缺损结构和功能的再生。生物材料支架可为组织再生提供时间及空间维度上的支撑。具有取向孔的支架能够促进细胞在支架中的迁移和有序排列,提高新生组织与原有组织间的信号沟通,诱导新生组织结构的形成和功能重塑。浙江大学高长有教授及其合作者采用定向冷冻结晶的方法制备了具有径向取向孔的甲基丙烯酸化透明质酸支架,通过光交联稳定了支架

骨软骨缺损会导致软骨层及软骨下骨的破坏。由于特殊的物理结构,生物体难以自发实现骨软骨缺损结构和功能的再生。生物材料支架可为组织再生提供时间及空间维度上的支撑。具有取向孔的支架能够促进细胞在支架中的迁移和有序排列,提高新生组织与原有组织间的信号沟通,诱导新生组织结构的形成和功能重塑。

浙江大学高长有教授及其合作者采用定向冷冻结晶的方法制备了具有径向取向孔的甲基丙烯酸化透明质酸支架,通过光交联稳定了支架结构,通过后灌注可降解PLGA提高了支架的机械强度。骨髓间充质干细胞在支架中表现出球形形貌并呈团聚状态。这种团聚行为是骨髓间充质干细胞向软骨细胞分化的最原始信号。在无预先接种细胞或负载活性分子的情况下,该支架可有效诱导兔股骨滑槽软骨及软骨下骨的再生。新生成的软骨层及软骨下骨结合紧密,具有明显的潮线结构;新生组织与原有组织间结合良好。新生软骨层有明显的粘多糖及II型胶原沉积,表现出透明软骨基质的结构特点。这种具有径向取向孔结构的支架制备和贮存方便,易于标准化生产,其原位诱导再生性能也不限于骨软骨组织,有望更快得到应用。

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    2017-06-19 yb6560
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    2017-12-27 sunylz
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    2017-05-30 10518094zz
  5. [GetPortalCommentsPageByObjectIdResponse(id=1857455, encodeId=8f1c185e455e8, content=<a href='/topic/show?id=3f48525849' target=_blank style='color:#2F92EE;'>#CRO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5258, encryptionId=3f48525849, topicName=CRO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c30265, createdName=jiafufeng@yaho, createdTime=Fri Mar 02 02:53:00 CST 2018, time=2018-03-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995988, encodeId=31b81995988c7, content=<a href='/topic/show?id=ed881120ec8' target=_blank style='color:#2F92EE;'>#MAC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11207, encryptionId=ed881120ec8, topicName=MAC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4b65161, createdName=yb6560, createdTime=Mon Jun 19 16:53:00 CST 2017, time=2017-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917501, encodeId=b083191e501dd, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Wed Dec 27 17:53:00 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1400361, encodeId=264a1400361e6, content=<a href='/topic/show?id=e7c018e7af' target=_blank style='color:#2F92EE;'>#ACR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1877, encryptionId=e7c018e7af, topicName=ACR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19792261142, createdName=10518094zz, createdTime=Tue May 30 12:53:00 CST 2017, time=2017-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419232, encodeId=d52a1419232da, content=<a href='/topic/show?id=2e2e10182602' target=_blank style='color:#2F92EE;'>#骨缺损#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101826, encryptionId=2e2e10182602, topicName=骨缺损)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=51173492599, createdName=lfcmxl, createdTime=Tue May 30 12:53:00 CST 2017, time=2017-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203920, encodeId=e040203920b1, content=学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Mon May 29 08:31:11 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203746, encodeId=404b203e46de, content=学习了谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5Kzuf9u71gZhPYMiajRtENwicoAABeQtfXOlic8ibhYSy6DvJZWUDVtjRvTfqBffr1XJ6JLtFB5kHicthl/0, createdBy=08bb2061153, createdName=189****7206, createdTime=Mon May 29 00:19:04 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203720, encodeId=4132203e20ab, content=谢谢分享谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K46ZAxBHmHsph32KkfsWGwmickB6RsCUD8KruE4vo5CpvXfdu16GBpp4ibh6WJu1o9iatP1LWKDmvmic/0, createdBy=be6f1940165, createdName=1e0ece0dm09(暂无匿称), createdTime=Sun May 28 22:32:42 CST 2017, time=2017-05-28, status=1, ipAttribution=)]
    2017-05-30 lfcmxl
  6. [GetPortalCommentsPageByObjectIdResponse(id=1857455, encodeId=8f1c185e455e8, content=<a href='/topic/show?id=3f48525849' target=_blank style='color:#2F92EE;'>#CRO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5258, encryptionId=3f48525849, topicName=CRO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c30265, createdName=jiafufeng@yaho, createdTime=Fri Mar 02 02:53:00 CST 2018, time=2018-03-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995988, encodeId=31b81995988c7, content=<a href='/topic/show?id=ed881120ec8' target=_blank style='color:#2F92EE;'>#MAC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11207, encryptionId=ed881120ec8, topicName=MAC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4b65161, createdName=yb6560, createdTime=Mon Jun 19 16:53:00 CST 2017, time=2017-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917501, encodeId=b083191e501dd, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Wed Dec 27 17:53:00 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1400361, encodeId=264a1400361e6, content=<a href='/topic/show?id=e7c018e7af' target=_blank style='color:#2F92EE;'>#ACR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1877, encryptionId=e7c018e7af, topicName=ACR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19792261142, createdName=10518094zz, createdTime=Tue May 30 12:53:00 CST 2017, time=2017-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419232, encodeId=d52a1419232da, content=<a href='/topic/show?id=2e2e10182602' target=_blank style='color:#2F92EE;'>#骨缺损#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101826, encryptionId=2e2e10182602, topicName=骨缺损)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=51173492599, createdName=lfcmxl, createdTime=Tue May 30 12:53:00 CST 2017, time=2017-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203920, encodeId=e040203920b1, content=学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Mon May 29 08:31:11 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203746, encodeId=404b203e46de, content=学习了谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5Kzuf9u71gZhPYMiajRtENwicoAABeQtfXOlic8ibhYSy6DvJZWUDVtjRvTfqBffr1XJ6JLtFB5kHicthl/0, createdBy=08bb2061153, createdName=189****7206, createdTime=Mon May 29 00:19:04 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203720, encodeId=4132203e20ab, content=谢谢分享谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K46ZAxBHmHsph32KkfsWGwmickB6RsCUD8KruE4vo5CpvXfdu16GBpp4ibh6WJu1o9iatP1LWKDmvmic/0, createdBy=be6f1940165, createdName=1e0ece0dm09(暂无匿称), createdTime=Sun May 28 22:32:42 CST 2017, time=2017-05-28, status=1, ipAttribution=)]
    2017-05-29 明天会更好!

    学习了,谢谢分享!

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1857455, encodeId=8f1c185e455e8, content=<a href='/topic/show?id=3f48525849' target=_blank style='color:#2F92EE;'>#CRO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5258, encryptionId=3f48525849, topicName=CRO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c30265, createdName=jiafufeng@yaho, createdTime=Fri Mar 02 02:53:00 CST 2018, time=2018-03-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995988, encodeId=31b81995988c7, content=<a href='/topic/show?id=ed881120ec8' target=_blank style='color:#2F92EE;'>#MAC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11207, encryptionId=ed881120ec8, topicName=MAC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4b65161, createdName=yb6560, createdTime=Mon Jun 19 16:53:00 CST 2017, time=2017-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917501, encodeId=b083191e501dd, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Wed Dec 27 17:53:00 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1400361, encodeId=264a1400361e6, content=<a href='/topic/show?id=e7c018e7af' target=_blank style='color:#2F92EE;'>#ACR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1877, encryptionId=e7c018e7af, topicName=ACR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19792261142, createdName=10518094zz, createdTime=Tue May 30 12:53:00 CST 2017, time=2017-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419232, encodeId=d52a1419232da, content=<a href='/topic/show?id=2e2e10182602' target=_blank style='color:#2F92EE;'>#骨缺损#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101826, encryptionId=2e2e10182602, topicName=骨缺损)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=51173492599, createdName=lfcmxl, createdTime=Tue May 30 12:53:00 CST 2017, time=2017-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203920, encodeId=e040203920b1, content=学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Mon May 29 08:31:11 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203746, encodeId=404b203e46de, content=学习了谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5Kzuf9u71gZhPYMiajRtENwicoAABeQtfXOlic8ibhYSy6DvJZWUDVtjRvTfqBffr1XJ6JLtFB5kHicthl/0, createdBy=08bb2061153, createdName=189****7206, createdTime=Mon May 29 00:19:04 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203720, encodeId=4132203e20ab, content=谢谢分享谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K46ZAxBHmHsph32KkfsWGwmickB6RsCUD8KruE4vo5CpvXfdu16GBpp4ibh6WJu1o9iatP1LWKDmvmic/0, createdBy=be6f1940165, createdName=1e0ece0dm09(暂无匿称), createdTime=Sun May 28 22:32:42 CST 2017, time=2017-05-28, status=1, ipAttribution=)]
    2017-05-29 189****7206

    学习了谢谢分享。

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    2017-05-28 1e0ece0dm09(暂无匿称)

    谢谢分享谢谢分享

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