Int Endod J:研究揭示SIRT1在根尖周炎中的潜在调节作用

2018-01-29 MedSci MedSci原创

本研究旨在探究沉默信息调节因子2同系物1(SIRT1)在根尖周炎的血管生成中的作用。 采用双色免疫荧光成像和实时聚合酶链反应检测根尖周肉芽肿中SIRT1、血管内皮生长因子(VEGF)和VE-钙粘蛋白的表达水平。此外,研究人员还检查了Ki-67和SIRT1表达之间的关联。使用脂多糖和白藜芦醇(SIRT1激活剂)或sirtinol(SIRT1抑制剂)处理人脐静脉内皮细胞(HUVEC),并测定编码SIR

本研究旨在探究沉默信息调节因子2同系物1(SIRT1)在根尖周炎的血管生成中的作用。

采用双色免疫荧光成像和实时聚合酶链反应检测根尖周肉芽肿中SIRT1、血管内皮生长因子(VEGF)和VE-钙粘蛋白的表达水平。此外,研究人员还检查了Ki-67和SIRT1表达之间的关联。使用脂多糖和白藜芦醇(SIRT1激活剂)或sirtinol(SIRT1抑制剂)处理人脐静脉内皮细胞(HUVEC),并测定编码SIRT1、VEGF和VE-钙粘着蛋白的mRNA的水平。在白藜芦醇或sirtinol存在下测定HUVEC管的形成。使用Mann-Whitney U检验或Tukey-Kramer检验进行统计分析。

结果显示,在根尖周肉芽肿中Ki-67表达细胞(包括内皮细胞)与SIRT1表达细胞相邻。另外,表达SIRT1的细胞与VEGF表达细胞和VEGF表达或VE-钙粘蛋白表达的内皮细胞相邻。根尖周肉芽肿中SIRT1、VEGF和VE-cadherin mRNA的表达水平明显高于健康牙龈组织(p = 0.0054、0.0090和0.0090)。与对照组相比,用白藜芦醇处理的HUVEC表现出明显更高的编码SIRT1、VEGF和VE-钙粘着蛋白的mRNA的表达(p=0.0019、0.00005和0.0045),但是sirtinol可抑制这种表达。白藜芦醇处理使HUVECs形成管状结构,而sirtinol抑制这一过程。

综上所述,该研究结果表明,SIRT1可能通过触发内皮细胞增殖,诱导VEGF和VE-cadherin的表达而刺激根尖周肉芽肿中的血管生成。

原始出处:


Kudo H, Takeichi O, et al., A potential role for the silent information regulator 2 homologue 1 (SIRT1) in periapical periodontitis. Int Endod J. 2018 Jan 24. doi: 10.1111/iej.12894.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1380206, encodeId=aa2413802069c, content=<a href='/topic/show?id=48786219204' target=_blank style='color:#2F92EE;'>#根尖周炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62192, encryptionId=48786219204, topicName=根尖周炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fcae472, createdName=zhangbaojun, createdTime=Wed Jan 31 12:51:00 CST 2018, time=2018-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1551917, encodeId=0424155191e29, content=<a href='/topic/show?id=0cb91634355' target=_blank style='color:#2F92EE;'>#sirt1#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16343, encryptionId=0cb91634355, topicName=sirt1)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Wed Jan 31 12:51:00 CST 2018, time=2018-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283329, encodeId=6aae28332994, content=学习一下谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zSn0GqHrsfLGSUSR8zwnWWLT4FMl5XH8S58HuZslVkLsAPbXDXaliagK7TOxQfmngKibG1yrDonepCLDkcxGk8hS/0, createdBy=b8282062892, createdName=changjiu, createdTime=Mon Jan 29 23:00:44 CST 2018, time=2018-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283321, encodeId=b19f2833212a, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Jan 29 22:53:28 CST 2018, time=2018-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283311, encodeId=3298283311c7, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Mon Jan 29 22:22:33 CST 2018, time=2018-01-29, status=1, ipAttribution=)]
    2018-01-31 quxin068
  3. [GetPortalCommentsPageByObjectIdResponse(id=1380206, encodeId=aa2413802069c, content=<a href='/topic/show?id=48786219204' target=_blank style='color:#2F92EE;'>#根尖周炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62192, encryptionId=48786219204, topicName=根尖周炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fcae472, createdName=zhangbaojun, createdTime=Wed Jan 31 12:51:00 CST 2018, time=2018-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1551917, encodeId=0424155191e29, content=<a href='/topic/show?id=0cb91634355' target=_blank style='color:#2F92EE;'>#sirt1#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16343, encryptionId=0cb91634355, topicName=sirt1)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Wed Jan 31 12:51:00 CST 2018, time=2018-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283329, encodeId=6aae28332994, content=学习一下谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zSn0GqHrsfLGSUSR8zwnWWLT4FMl5XH8S58HuZslVkLsAPbXDXaliagK7TOxQfmngKibG1yrDonepCLDkcxGk8hS/0, createdBy=b8282062892, createdName=changjiu, createdTime=Mon Jan 29 23:00:44 CST 2018, time=2018-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283321, encodeId=b19f2833212a, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Jan 29 22:53:28 CST 2018, time=2018-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283311, encodeId=3298283311c7, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Mon Jan 29 22:22:33 CST 2018, time=2018-01-29, status=1, ipAttribution=)]
    2018-01-29 changjiu

    学习一下谢谢

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  4. [GetPortalCommentsPageByObjectIdResponse(id=1380206, encodeId=aa2413802069c, content=<a href='/topic/show?id=48786219204' target=_blank style='color:#2F92EE;'>#根尖周炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62192, encryptionId=48786219204, topicName=根尖周炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fcae472, createdName=zhangbaojun, createdTime=Wed Jan 31 12:51:00 CST 2018, time=2018-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1551917, encodeId=0424155191e29, content=<a href='/topic/show?id=0cb91634355' target=_blank style='color:#2F92EE;'>#sirt1#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16343, encryptionId=0cb91634355, topicName=sirt1)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Wed Jan 31 12:51:00 CST 2018, time=2018-01-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283329, encodeId=6aae28332994, content=学习一下谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zSn0GqHrsfLGSUSR8zwnWWLT4FMl5XH8S58HuZslVkLsAPbXDXaliagK7TOxQfmngKibG1yrDonepCLDkcxGk8hS/0, createdBy=b8282062892, createdName=changjiu, createdTime=Mon Jan 29 23:00:44 CST 2018, time=2018-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283321, encodeId=b19f2833212a, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Jan 29 22:53:28 CST 2018, time=2018-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=283311, encodeId=3298283311c7, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Mon Jan 29 22:22:33 CST 2018, time=2018-01-29, status=1, ipAttribution=)]
    2018-01-29 1e1b8538m79(暂无匿称)

    不错的文章值得拥有

    0

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    2018-01-29 131****2916

    不错的文章值得推荐

    0