J Periodontal:研究揭示糖尿病患者中机械加载导致牙周病加重的机制

2019-07-13 sunshine medsci

既往研究已经确定了糖尿病(DM)与骨病之间存在关联。然而,导致牙槽骨(AB)破坏的机制途径仍不清楚。本研究旨在阐明DM中机械力(MF)诱导的AB破坏及其潜在机制。在患有糖尿病的大鼠中评估体内牙周组织对MF的反应。在体外,单独使用晚期糖基化终产物(AGEs)或用AGEs和MF处理人牙周膜(PDL)细胞。结果显示,在体内,VEGF-A,CSF-1和Ager的转录在糖尿病中上调,而DDOST和Glo1

既往研究已经确定了糖尿病(DM)与骨病之间存在关联。然而,导致牙槽骨(AB)破坏的机制途径仍不清楚。本研究旨在阐明DM中机械力(MF)诱导的AB破坏及其潜在机制。

在患有糖尿病的大鼠中评估体内牙周组织对MF的反应。在体外,单独使用晚期糖基化终产物(AGEs)或用AGEs和MF处理人牙周膜(PDL)细胞。

结果显示,在体内,VEGF-A,CSF-1和Ager的转录在糖尿病中上调,而DDOST和Glo1 mRNA的变化可忽略不计。DM诱导PDL血管细胞中的VEGF-A蛋白和随后的血管生成,但DM本身不诱导破骨细胞生成。MF诱导的AB再吸收在DM中增加,并且这种增强在形态学上通过偶然破坏的再吸收以及破骨细胞对AB的正面再吸收得到证实。与正常对应物相比,MF应用期间CSF-1和VEGF的mRNA水平在糖尿病中明显升高。在体外,AGEs处理通过p38和JNK途径升高Glut-1和CSF-1 mRNA水平,而OGT和VEGF水平保持不变。压迫性MF尤其引起VEGF,CSF-1和Glut-1水平的上调,并且AGE治疗进一步增强了这种上调。

综上所述,该研究结果表明,过量的MF和AGEs代谢物可通过上调CSF-1和VEGF协同地加重AB破坏。因此,调节牙齿的压缩过载以及糖尿病AGEs的水平是可用于控制DM诱导的牙槽骨破坏的有效治疗方式。

原始出处:

Moon JS, Lee SY, et al., Synergistic alveolar bone resorption by diabetic AGEs and mechanical forces. J Periodontol. 2019 Jul 11. doi: 10.1002/JPER.18-0453.

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    2019-07-14 深海的鱼

    学习学习学习

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  6. [GetPortalCommentsPageByObjectIdResponse(id=1728045, encodeId=34601e280454c, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, 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=Sat Jun 13 16:37:00 CST 2020, time=2020-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1282303, encodeId=25821282303fe, content=<a href='/topic/show?id=46a06e5220c' target=_blank style='color:#2F92EE;'>#牙周病#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67522, encryptionId=46a06e5220c, topicName=牙周病)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Mon Jul 15 12:37:00 CST 2019, time=2019-07-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1451161, encodeId=277c145116117, content=<a href='/topic/show?id=f0476e49582' target=_blank style='color:#2F92EE;'>#牙周#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67495, encryptionId=f0476e49582, topicName=牙周)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Mon Jul 15 12:37:00 CST 2019, time=2019-07-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1474779, encodeId=207414e4779ee, content=<a href='/topic/show?id=935fe6718e3' target=_blank style='color:#2F92EE;'>#糖尿病患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76718, encryptionId=935fe6718e3, topicName=糖尿病患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a38f7243741, createdName=xue8604, createdTime=Mon Jul 15 12:37:00 CST 2019, time=2019-07-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=369624, encodeId=be8536962481, content=学习学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRkia1DP5MpwEgtXo1XhXA11xD6MWKxunAZFXKSNic0fWHUQx83oNHPlRMxxIctM83QKeCLkJpMibibiaC/0, createdBy=7e581734408, createdName=深海的鱼, createdTime=Sun Jul 14 05:30:55 CST 2019, time=2019-07-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1042573, encodeId=809510425e317, content=谢谢MedSci提供最新的资讯, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Sun Jul 14 00:37:00 CST 2019, time=2019-07-14, status=1, ipAttribution=)]
    2019-07-14 misszhang

    谢谢MedSci提供最新的资讯

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