J Clin Periodontol:脱细胞组织工程构建对牙周再生的影响

2018-05-21 MedSci MedSci原创

本实验旨在评估脱细胞组织工程构建体对体外细胞分化和体内牙周再生的影响。

本实验旨在评估脱细胞组织工程构建体对体外细胞分化和体内牙周再生的影响。

实验将牙周韧带细胞(PDLC)片装在聚己内酯(PCL)支架上,然后脱细胞。通过接种后的骨和牙周韧带组织标记物的基因表达评估构建体对体外同种异体PDLC和间充质干细胞(MSC)分化的影响。通过免疫染色评估MSC标记STRO-1的表达。在大鼠牙周缺损模型中观察脱细胞构建体以评估它们的生物相容性和组织整合。进行微积分形态学(μCT)和组织学评估以评估术后2周和4周构建体的再生潜力。

结果发现,PDLCs出现了骨标记基因表达的上调,尤其是第14天,。 MSC缺乏骨标记表达,但在第14天I型胶原标记表达增加。当接种在脱细胞片上时,三个时间点后MSC的STRO-1表达降低。组织学评估证实脱细胞构建体在体内的生物相容性。与单独的支架对照相比,脱细胞化的构建体上有更多新的附着形成。

脱组织工程构建体能够在体外诱导细胞分化并且具有促进体内牙周再生的潜力。

原始出处:

Amro Farag, et al. The effect of decellularized tissue engineered constructs on periodontal regeneration. Journal of Clinical Periodontology. 2018 May. doi:10.1111/jcpe.12886

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    2018-09-27 feather89
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    2018-05-22 1e16d8a5m40(暂无匿称)

    学习了

    0

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    2018-05-21 wqkm

    ^_^^_^^_^^_^

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1727307, encodeId=86511e273077d, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Thu Sep 27 13:44:00 CST 2018, time=2018-09-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1805365, encodeId=93181805365ba, content=<a href='/topic/show?id=c45ce799811' target=_blank style='color:#2F92EE;'>#细胞组织工程#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77998, encryptionId=c45ce799811, topicName=细胞组织工程)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6bcd409, createdName=xfpan12, createdTime=Sat Apr 06 15:44:00 CST 2019, time=2019-04-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1417177, encodeId=ca7d141e177f9, content=<a href='/topic/show?id=8b72e769056' target=_blank style='color:#2F92EE;'>#组织工程#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77690, encryptionId=8b72e769056, topicName=组织工程)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c62f3243688, createdName=zhu_jun9838, createdTime=Wed May 23 10:44:00 CST 2018, time=2018-05-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1450893, encodeId=fd2d1450893e8, content=<a href='/topic/show?id=f0476e49582' target=_blank style='color:#2F92EE;'>#牙周#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67495, encryptionId=f0476e49582, topicName=牙周)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ab585558129, createdName=liuyong2982, createdTime=Wed May 23 10:44:00 CST 2018, time=2018-05-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627189, encodeId=f16b162e189cd, content=<a href='/topic/show?id=68006e500cb' target=_blank style='color:#2F92EE;'>#牙周再生#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67500, encryptionId=68006e500cb, topicName=牙周再生)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=018921099819, createdName=songbq, createdTime=Wed May 23 10:44:00 CST 2018, time=2018-05-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=317463, encodeId=693131e463b8, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211120/0a343dd652314c849f92187e706a0203/030af22773fe40d69835eedc02230010.jpg, createdBy=0a471975170, createdName=1e16d8a5m40(暂无匿称), createdTime=Tue May 22 08:10:01 CST 2018, time=2018-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=317283, encodeId=fb7231e2831c, content=^_^^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Mon May 21 21:23:36 CST 2018, time=2018-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=317269, encodeId=2f8031e269ef, content=好东西, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=41962298363, createdName=121ff658m46暂无昵称, createdTime=Mon May 21 20:04:31 CST 2018, time=2018-05-21, status=1, ipAttribution=)]
    2018-05-21 121ff658m46暂无昵称

    好东西

    0