J Periodontology:釉基质衍生物凝胶与釉基质液体制剂对骨移植材料的吸附能力的对比

2015-01-30 MedSci MedSci原创

背景:使用釉基质衍生物(EMD)能够提高牙周再生性手术的效果(例如,根面牙骨质、牙周韧带以及牙槽骨的形成)。然而,在某些临床条件下,EMD的单独使用并不能阻止龈瓣的塌陷或为血凝块提供足够的稳定性。从临床上以及以往研究所得的数据可以说明,在牙周组织再生手术中EMD与不同类型的骨移植材料结合使用其效果各异。本研究的目的是为了探讨在骨移植材料上涂上釉基质衍生物凝胶或者釉基质衍生物液体制剂,比较二者对骨移

背景:

使用釉基质衍生物(EMD)能够提高牙周再生性手术的效果(例如,根面牙骨质、牙周韧带以及牙槽骨的形成)。然而,在某些临床条件下,EMD的单独使用并不能阻止龈瓣的塌陷或为血凝块提供足够的稳定性。从临床上以及以往研究所得的数据可以说明,在牙周组织再生手术中EMD与不同类型的骨移植材料结合使用其效果各异。本研究的目的是为了探讨在骨移植材料上涂上釉基质衍生物凝胶或者釉基质衍生物液体制剂,比较二者对骨移植材料的吸附能力。

材料和方法:

将EMD-液体制剂或EMD-凝胶制剂分别涂在不同的骨移植材料表面,选用三种不同类型的骨移植材料,包括自然骨矿化物(NBM)、脱钙冻干异体骨(DFDBA)和磷酸钙(CaP)。扫描电子显微镜(SEM)或透射电子显微镜(TEM)下采用金色共轭抗EMD抗体免疫染色分析样本。ELISA试剂盒对吸附到骨移植材料的总蛋白中的釉原蛋白进行测定。

结果:

吸附到骨移植材料上的釉原蛋白基于承载系统的利用而改变。EMD-凝胶吸附了较少的蛋白至骨移植材料表面,因此在PBS冲洗后较容易脱离骨移植材料。TEM分析显示,吸附到骨移植材料表面的釉基质蛋白的量明显增加,这可能是使用了厚的聚乙醇酸(PGA)凝胶载体的原因。ELISA定量检测表明,EMD-液体制剂+NBM以及EMD-凝胶制剂+DFDBA的组合应用使得骨材料表面吸收的釉原蛋白的量比其他任何治疗方式都多。而且,EMD-液体制剂内的釉原蛋白能够穿透多孔的NBM和DFDBA结构表面,并吸附到骨粉颗粒内部。表面涂有EMD-凝胶的骨移植材料更多地是将移植材料颗粒吸附至其外部,很少渗入其内部。

结论:

本研究中,我们证实了,无论是骨材料表面涂上了釉基质衍生物蛋白凝胶制剂还是釉基质衍生物液体制剂,都会引起吸附至骨移植材料表面的釉原蛋白量的较大变化。而且我们观察到,不同的骨移植材料NBM、DFDBA、BCP吸附的釉原蛋白的量也不同。因此,EMD液体制剂的应用可能对材料表面涂层的作用更为有效。

原始出处:

Miron RJ1, Bosshardt DD, Buser D, Zhang Y, Tugulu S, Gemperli A, Dard M, Caluseru OM, Chandad F, Sculean A.Comparison of the Capacity of Enamel Matrix Derivative-gel and Enamel Matrix Derivative in Liquid Formulation to Adsorb to Bone Grafting Materials.J Periodontol. 2015 Jan 16:1-18. [Epub ahead of print]

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    2016-09-13 1e10c84am36(暂无匿称)

    好文章,还会关注

    0

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    2015-11-30 feather89
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    2015-08-16 howi
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  6. [GetPortalCommentsPageByObjectIdResponse(id=125423, encodeId=c35f12542361, content=好文章,还会关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Tue Sep 13 14:38:00 CST 2016, time=2016-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1725739, encodeId=20061e257398d, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, 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=Mon Nov 30 18:13:00 CST 2015, time=2015-11-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1812651, encodeId=45bd181265167, content=<a href='/topic/show?id=d193900940b' target=_blank style='color:#2F92EE;'>#衍生物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90094, encryptionId=d193900940b, topicName=衍生物)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=仁心济世, createdTime=Sun Jun 07 01:13:00 CST 2015, time=2015-06-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1667137, encodeId=aa5c166e13789, content=<a href='/topic/show?id=3dae101809cd' target=_blank style='color:#2F92EE;'>#骨移植#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101809, encryptionId=3dae101809cd, topicName=骨移植)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bbed26112986, createdName=howi, createdTime=Sun Aug 16 02:13:00 CST 2015, time=2015-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1757034, encodeId=34281e570347e, content=<a href='/topic/show?id=103b421e0e8' target=_blank style='color:#2F92EE;'>#基质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42170, encryptionId=103b421e0e8, topicName=基质)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=281337296540, createdName=ms7899726347904398, createdTime=Wed Oct 28 03:13:00 CST 2015, time=2015-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15292, encodeId=bd221529205, content=釉基质蛋白有助于骨再生, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=ixiaochengdudu, createdTime=Sun Feb 08 20:18:00 CST 2015, time=2015-02-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1460910, encodeId=0b921460910ba, content=<a href='/topic/show?id=de4331310a4' target=_blank style='color:#2F92EE;'>#凝胶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31310, encryptionId=de4331310a4, topicName=凝胶)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e09e6383467, createdName=lishizhe, createdTime=Sun Feb 01 02:13:00 CST 2015, time=2015-02-01, status=1, ipAttribution=)]
    2015-02-08 ixiaochengdudu

    釉基质蛋白有助于骨再生

    0

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    2015-02-01 lishizhe