J Endod:EDTA通过上调趋化因子受体4表达增强间质细胞来源因子1α诱导的牙髓细胞迁移

2019-04-22 lishiting MedSci原创

牙髓再生治疗中,根管冲洗是保证治疗成功的一个重要步骤。EDTA作为一种常规冲洗已经列入美国牙髓病学协会指南。研究发现,EDTA处理过的牙本质片能够增加牙髓干细胞的附着、分化和迁移。然而,还没有关于EDTA对牙髓细胞(DPCs)迁移影响的报道。这篇研究的目的是为了评估EDTA如何影响DPCs的迁移。

牙髓再生治疗中,根管冲洗是保证治疗成功的一个重要步骤。EDTA作为一种常规冲洗已经列入美国牙髓病学协会指南。研究发现,EDTA处理过的牙本质片能够增加牙髓干细胞的附着、分化和迁移。然而,还没有关于EDTA对牙髓细胞(DPCs)迁移影响的报道。这篇研究的目的是为了评估EDTA如何影响DPCs的迁移。

研究从人第三磨牙和前磨牙中获取细胞。采用kit-8细胞计数法评估EDTA在不同浓度和时间节点对细胞增殖的影响。采用实时聚合酶链式反应检测TGF-β和趋化因子受体4(CXCR4)的mRNA表达水平变化。分别通过酶联免疫吸附测定和WB检测蛋白的表达变化。此外,通过细胞小室迁移实验检测预先施加EDTA对间质细胞来源因子1α (SDF-1α)诱导DPC迁移的作用。

结果显示,12% EDTA刺激增强SDF-1α诱导的DPCs迁移。12% EDTA以时间依赖的模式增强TGF-β1和CXCR4的表达。沉默CXCR4后,EDTA增强的迁移降低。此外,EDTA对CXCR4的转录调控是通过TGF-β1/ERK1/2和TGF-β1/Smad2/3信号通路介导。

结论:结果表明,12% EDTA通过上调CXCR4表达促进SDF-1α诱导的DPCs迁移,此过程涉及TGF-β1信号通路。

原始出处:

Liu L, Leng S, et al. EDTA Enhances Stromal Cell-derived Factor 1α-induced Migration of Dental Pulp Cells by Up-regulating Chemokine Receptor 4 Expression. J Endod. 2019 Mar 26. pii: S0099-2399(19)30034-2. doi: 10.1016/j.joen.2019.01.006.

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    2019-07-10 mnda
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    2020-02-25 jxrzshh
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    2019-04-24 chengjn
  5. [GetPortalCommentsPageByObjectIdResponse(id=1724356, encodeId=ab771e2435616, content=<a href='/topic/show?id=e1f56e68935' target=_blank style='color:#2F92EE;'>#牙髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67689, encryptionId=e1f56e68935, topicName=牙髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f2d33606535, createdName=mnda, createdTime=Wed Jul 10 12:49:00 CST 2019, time=2019-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1640970, encodeId=bc6a16409e0e4, content=<a href='/topic/show?id=7c99939e3fd' target=_blank style='color:#2F92EE;'>#迁移#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93973, encryptionId=7c99939e3fd, topicName=迁移)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d37c22750496, createdName=ms8888626721583891, createdTime=Wed Nov 27 20:49:00 CST 2019, time=2019-11-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1669761, encodeId=39db1669e61b7, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67660, encryptionId=c7ca6e660ab, topicName=牙髓)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5eeb26562774, createdName=jxrzshh, createdTime=Tue Feb 25 16:49:00 CST 2020, time=2020-02-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1468198, encodeId=c9e81468198f4, content=<a href='/topic/show?id=71c810212946' target=_blank style='color:#2F92EE;'>#髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102129, encryptionId=71c810212946, topicName=髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69e46898758, createdName=chengjn, createdTime=Wed Apr 24 13:49:00 CST 2019, time=2019-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1529590, encodeId=3aa51529590ee, content=<a href='/topic/show?id=6264e80409d' target=_blank style='color:#2F92EE;'>#细胞迁移#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=78040, encryptionId=6264e80409d, topicName=细胞迁移)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7d5e11955593, createdName=amy0554, createdTime=Wed Apr 24 13:49:00 CST 2019, time=2019-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1537062, encodeId=7b82153e06290, content=<a href='/topic/show?id=aaaf653e44' target=_blank style='color:#2F92EE;'>#EDTA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6537, encryptionId=aaaf653e44, topicName=EDTA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=328c12785299, createdName=ycmayy, createdTime=Wed Apr 24 13:49:00 CST 2019, time=2019-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1553406, encodeId=7b7315534062e, content=<a href='/topic/show?id=553a9296e09' target=_blank style='color:#2F92EE;'>#趋化因子#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=92967, encryptionId=553a9296e09, topicName=趋化因子)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e70614370473, createdName=shijzhiewnjhch, createdTime=Wed Apr 24 13:49:00 CST 2019, time=2019-04-24, status=1, ipAttribution=)]
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    2019-04-24 ycmayy
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