J Endod:抑制SOX9促进牙髓的炎症和免疫反应

2018-04-08 lishiting MedSci原创

胞外基质失调以及炎症细胞浸润是牙髓炎发展的特点。性别决定区Y-9 box(SOX9)是一个非常重要的转录因子,它在炎症性关节疾病中受到肿瘤坏死因子α的显著抑制。这篇研究的目的是为了探讨SOX9在牙髓细胞外基质、细胞因子表达和免疫反应中所扮演的角色。

胞外基质失调以及炎症细胞浸润是牙髓炎发展的特点。性别决定区Y-9 box(SOX9)是一个非常重要的转录因子,它在炎症性关节疾病中受到肿瘤坏死因子α的显著抑制。这篇研究的目的是为了探讨SOX9在牙髓细胞外基质、细胞因子表达和免疫反应中所扮演的角色。研究通过免疫组化、Western blot和定量聚合酶链式反应(qPCR)检测正常和炎症牙髓/人牙髓细胞(HDPCs)中SOX9的表达。使用siRNA SOX9体外抑制牙髓细胞中SOX9的表达;采用qPCR, Western blot和凝胶/胶原酶谱法检测细胞外基质失调,并通过antibody arrays扫面细胞因子的分泌情况。通过细胞迁移测定、细胞粘附测定、吞噬测定和酶联免疫吸附测定检测THP-1的免疫反应情况。通过染色质免疫沉淀测定(ChIP)检测SOX9和其靶基因的相互作用。结果显示,SOX9强表达于正常的牙髓组织及HDPCs内,而在感染牙髓中表达降低。阻断SOX9会抑制I型胶原酶的产生,刺激MMP2和MMP13的酶活性,并调节HDPCs中白细胞介素(IL) 8的产生。阻断SOX9也会显著抑制THP-1的分化和功能活性。ChIP结果显

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    2018-10-13 jxrzshh
  2. [GetPortalCommentsPageByObjectIdResponse(id=1669655, encodeId=ec4816696557c, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, 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=Sat Oct 13 00:24:00 CST 2018, time=2018-10-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1280182, encodeId=0002128018298, content=<a href='/topic/show?id=2bbe289846f' target=_blank style='color:#2F92EE;'>#免疫反应#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28984, encryptionId=2bbe289846f, topicName=免疫反应)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=827b160, createdName=cnxcy, createdTime=Tue Apr 10 11:24:00 CST 2018, time=2018-04-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=303963, encodeId=de81303963c0, content=^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, 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=Sun Apr 08 20:28:22 CST 2018, time=2018-04-08, status=1, ipAttribution=)]
    2018-04-10 cnxcy
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    2018-04-08 wqkm

    ^_^^_^^_^

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