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J Dent Res:敲除5-脂氧合酶会加重小鼠模型的根尖周炎

2017-11-13 lishiting MedSci原创

5-脂氧合酶(5-LO)在宿主的先天免疫反应中起到至关重要的作用,包括细菌诱导的炎症。根尖周炎(AP)是由细菌侵入和随后的宿主防御反应之间的失衡而导致的免疫紊乱。在这篇报道中,研究者通过观察5-lo敲除的小鼠(5-lo-/- mice),探讨5-脂氧合酶在AP中所扮演的角色。

5-脂氧合酶(5-LO)在宿主的先天免疫反应中起到至关重要的作用,包括细菌诱导的炎症。根尖周炎(AP)是由细菌侵入和随后的宿主防御反应之间的失衡而导致的免疫紊乱。在这篇报道中,研究者通过观察5-lo敲除的小鼠(5-lo-/- mice),探讨5-脂氧合酶在AP中所扮演的角色。

组织学和micro-CT检查结果显示,5-lo-/-小鼠比野生型小鼠表现出更严重的尖周骨缺失以及存在更多的酸性磷酸酶染色阳性的破骨细胞。在5-lo-/-小鼠中,与炎症和骨诱裂发生相关的因子IL-1β, TNF-α, RANK和RANKL表达显著上调,而骨保护素下降。另外,5-lo-/-小鼠中检出腹膜巨噬细胞的存在,表明转基因小鼠吞噬AP致病菌-具核梭杆菌的能力明显受损。体内的实验也验证了,由于白三烯B4和LXA4产量的减少,敲除5-lo会导致尖周区域巨噬细胞数量的减少以及具核梭杆菌引起的感染增加。

结论:所有的结果表明,敲除5-lo会损伤宿主的先天免疫系统,以此促进骨吸收相关因子的释放。因此,5-lo缺陷会加重实验性小鼠模型的AP。

原始出处

Wu Y, Sun H, et al. 5-Lipoxygenase Knockout Aggravated Apical Periodontitis in a Murine Model. J Dent Res. 2017 Nov 1:22034517741261. doi: 10.1177/0022034517741261.

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    2017-11-14 明月清辉

    谢谢分享.学习了

    0

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    2017-11-14 yjs木玉

    好好好好好好好好就

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1380203, encodeId=d790138020342, 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=67, 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 Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436768, encodeId=683e1436e6838, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261191, encodeId=69402611912c, content=谢谢分享.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6Nx0VGA4QMDzOP8oAgnV4h51EjSfehJ9QxyiaSmw8PB56BhY8KXFSxHCibXrzcy4abrzSibXQPxJ9kzrLcJyhhB8a/0, createdBy=1d3b1672603, createdName=明月清辉, createdTime=Tue Nov 14 07:38:43 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261143, encodeId=0af1261143f3, content=好好好好好好好好就, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/29/bbc5cc0eed9b8d17623d2fd49dbdf19a.jpg, createdBy=79522135794, createdName=yjs木玉, createdTime=Tue Nov 14 05:09:42 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261114, encodeId=87e42611145f, content=好好学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba101609906, createdName=happsf, createdTime=Mon Nov 13 23:41:39 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261106, encodeId=802a26110669, content=很好的文章.谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4o2XVpJ6449yqDsjibydI5HnJ8MibGxNn4HZiaZib0bdfibbwoz3KQrIyN9AGxq36ZlZRNicYlPfOOWMtwgsajY6mGNFiaPclFdowjD0/0, createdBy=97bd1338592, createdName=清风拂面, createdTime=Mon Nov 13 23:35:24 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261098, encodeId=782c261098cc, content=学习了新知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Mon Nov 13 23:26:44 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261095, encodeId=0b6726109521, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Nov 13 23:21:38 CST 2017, time=2017-11-13, status=1, ipAttribution=)]
    2017-11-13 happsf

    好好学习

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1380203, encodeId=d790138020342, 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=67, 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 Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436768, encodeId=683e1436e6838, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261191, encodeId=69402611912c, content=谢谢分享.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6Nx0VGA4QMDzOP8oAgnV4h51EjSfehJ9QxyiaSmw8PB56BhY8KXFSxHCibXrzcy4abrzSibXQPxJ9kzrLcJyhhB8a/0, createdBy=1d3b1672603, createdName=明月清辉, createdTime=Tue Nov 14 07:38:43 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261143, encodeId=0af1261143f3, content=好好好好好好好好就, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/29/bbc5cc0eed9b8d17623d2fd49dbdf19a.jpg, createdBy=79522135794, createdName=yjs木玉, createdTime=Tue Nov 14 05:09:42 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261114, encodeId=87e42611145f, content=好好学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba101609906, createdName=happsf, createdTime=Mon Nov 13 23:41:39 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261106, encodeId=802a26110669, content=很好的文章.谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4o2XVpJ6449yqDsjibydI5HnJ8MibGxNn4HZiaZib0bdfibbwoz3KQrIyN9AGxq36ZlZRNicYlPfOOWMtwgsajY6mGNFiaPclFdowjD0/0, createdBy=97bd1338592, createdName=清风拂面, createdTime=Mon Nov 13 23:35:24 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261098, encodeId=782c261098cc, content=学习了新知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Mon Nov 13 23:26:44 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261095, encodeId=0b6726109521, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Nov 13 23:21:38 CST 2017, time=2017-11-13, status=1, ipAttribution=)]
    2017-11-13 清风拂面

    很好的文章.谢谢分享

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1380203, encodeId=d790138020342, 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=67, 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 Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436768, encodeId=683e1436e6838, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261191, encodeId=69402611912c, content=谢谢分享.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6Nx0VGA4QMDzOP8oAgnV4h51EjSfehJ9QxyiaSmw8PB56BhY8KXFSxHCibXrzcy4abrzSibXQPxJ9kzrLcJyhhB8a/0, createdBy=1d3b1672603, createdName=明月清辉, createdTime=Tue Nov 14 07:38:43 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261143, encodeId=0af1261143f3, content=好好好好好好好好就, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/29/bbc5cc0eed9b8d17623d2fd49dbdf19a.jpg, createdBy=79522135794, createdName=yjs木玉, createdTime=Tue Nov 14 05:09:42 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261114, encodeId=87e42611145f, content=好好学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba101609906, createdName=happsf, createdTime=Mon Nov 13 23:41:39 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261106, encodeId=802a26110669, content=很好的文章.谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4o2XVpJ6449yqDsjibydI5HnJ8MibGxNn4HZiaZib0bdfibbwoz3KQrIyN9AGxq36ZlZRNicYlPfOOWMtwgsajY6mGNFiaPclFdowjD0/0, createdBy=97bd1338592, createdName=清风拂面, createdTime=Mon Nov 13 23:35:24 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261098, encodeId=782c261098cc, content=学习了新知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Mon Nov 13 23:26:44 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261095, encodeId=0b6726109521, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Nov 13 23:21:38 CST 2017, time=2017-11-13, status=1, ipAttribution=)]
    2017-11-13 Y—xianghai

    学习了新知识

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1380203, encodeId=d790138020342, 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=67, 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 Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436768, encodeId=683e1436e6838, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Nov 15 14:16:00 CST 2017, time=2017-11-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261191, encodeId=69402611912c, content=谢谢分享.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6Nx0VGA4QMDzOP8oAgnV4h51EjSfehJ9QxyiaSmw8PB56BhY8KXFSxHCibXrzcy4abrzSibXQPxJ9kzrLcJyhhB8a/0, createdBy=1d3b1672603, createdName=明月清辉, createdTime=Tue Nov 14 07:38:43 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261143, encodeId=0af1261143f3, content=好好好好好好好好就, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/29/bbc5cc0eed9b8d17623d2fd49dbdf19a.jpg, createdBy=79522135794, createdName=yjs木玉, createdTime=Tue Nov 14 05:09:42 CST 2017, time=2017-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261114, encodeId=87e42611145f, content=好好学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba101609906, createdName=happsf, createdTime=Mon Nov 13 23:41:39 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261106, encodeId=802a26110669, content=很好的文章.谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4o2XVpJ6449yqDsjibydI5HnJ8MibGxNn4HZiaZib0bdfibbwoz3KQrIyN9AGxq36ZlZRNicYlPfOOWMtwgsajY6mGNFiaPclFdowjD0/0, createdBy=97bd1338592, createdName=清风拂面, createdTime=Mon Nov 13 23:35:24 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261098, encodeId=782c261098cc, content=学习了新知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Mon Nov 13 23:26:44 CST 2017, time=2017-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=261095, encodeId=0b6726109521, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Mon Nov 13 23:21:38 CST 2017, time=2017-11-13, status=1, ipAttribution=)]
    2017-11-13 1e1b8538m79(暂无匿称)

    不错的文章值得推荐

    0

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