J Clin Periodontol:伴放线放线杆菌介导牙槽骨吸收时5-脂氧合酶的作用

2017-08-29 MedSci MedSci原创

白三烯(LT)是由5-脂氧合酶(5-LO)合成的促炎脂质介质。 5-LO代谢物参与牙周病(PD)的机制还不明确。本研究旨在评估5-LO在伴放线放线杆菌(Aggregatibacter Actinomycetemcomitans)(Aa)诱导的实验性PD中的作用。

白三烯(LT)是由5-脂氧合酶(5-LO)合成的促炎脂质介质。 5-LO代谢物参与牙周病(PD)的机制还不明确。本研究旨在评估5-LO在伴放线放线杆菌(Aggregatibacter Actinomycetemcomitans)(Aa)诱导的实验性PD中的作用。

使用接种了Aa的SV129野生型(WT)和5-LO-缺陷型(5lO - / - )小鼠进行体内实验。在存在或不存在5-LO途径或LTB4或血小板活化因子(PAF)的选择性抑制剂的情况下,AaLPS在体外刺激破骨细胞,PAF已经被证明可以提高破骨细胞活性。

结果:在5lO - / -小鼠中,尽管局部产生了TNF-α和IL-6,但接种Aa后牙周组织中没有牙槽骨吸收,几乎没有TRAP阳性破骨细胞。在BLT1拮抗剂或5-LO抑制剂存在下,用AaLPS刺激的破骨细胞的分化和活性降低,但在不存在半胱氨酰白三烯受体拮抗剂的情况下。由PAF引起的破骨细胞分化受到BLT1拮抗作用的抑制。

结论:总之,LTB4而不是CysLTs对于Aa诱导的牙槽骨吸收是很重要的。总体而言,LTB4影响破骨细胞分化和活性,是PAF诱导破骨细胞发生的关键中间物质。

原始出处:

Mila F. M. Madeira, Celso M. Queiroz-Junior, Joice D. Corrêa, et al. The role of 5-lipoxygenase in Aggregatibacter actinomycetemcomitans-induced alveolar bone loss. Journal of clinical periodontology. 2017 August. doi: 10.1111/jcpe.12755

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    2017-11-17 mei540
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    2017-11-07 feather89
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    2017-08-31 徐岩
  5. [GetPortalCommentsPageByObjectIdResponse(id=1667879, encodeId=e5c8166e879a8, content=<a href='/topic/show?id=64596e594d8' target=_blank style='color:#2F92EE;'>#牙槽骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67594, encryptionId=64596e594d8, topicName=牙槽骨)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=87b426195956, createdName=mei540, createdTime=Fri Nov 17 09:53:00 CST 2017, time=2017-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726680, encodeId=f9921e266803d, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, 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=Tue Nov 07 01:53:00 CST 2017, time=2017-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1369806, encodeId=99441369806be, content=<a href='/topic/show?id=29a06e597cd' target=_blank style='color:#2F92EE;'>#牙槽骨吸收#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67597, encryptionId=29a06e597cd, topicName=牙槽骨吸收)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1e34303, createdName=wetgdt, createdTime=Thu Aug 31 07:53:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1532584, encodeId=3481153258471, content=<a href='/topic/show?id=75991016300c' target=_blank style='color:#2F92EE;'>#骨吸收#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101630, encryptionId=75991016300c, topicName=骨吸收)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74d112366079, createdName=徐岩, createdTime=Thu Aug 31 07:53:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238743, encodeId=0418238e435f, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K46ZAxBHmHsph32KkfsWGwmickB6RsCUD8KruE4vo5CpvXfdu16GBpp4ibh6WJu1o9iatP1LWKDmvmic/0, createdBy=be6f1940165, createdName=1e0ece0dm09(暂无匿称), createdTime=Wed Aug 30 18:57:18 CST 2017, time=2017-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238409, encodeId=f902238409e8, content=学习了受益匪浅., beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDicHg2ldsSNmib46PmdzpO7CQEmPjuULp1v45zPWwMYhrnXgvl3OtmUCZSQfgITWn96X9moL94nUGA/0, createdBy=28072041016, createdName=131****1460, createdTime=Tue Aug 29 19:58:50 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238381, encodeId=5109238381e5, content=学习了.值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Tue Aug 29 17:34:20 CST 2017, time=2017-08-29, status=1, ipAttribution=)]
    2017-08-30 1e0ece0dm09(暂无匿称)

    谢谢分享

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1667879, encodeId=e5c8166e879a8, content=<a href='/topic/show?id=64596e594d8' target=_blank style='color:#2F92EE;'>#牙槽骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67594, encryptionId=64596e594d8, topicName=牙槽骨)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=87b426195956, createdName=mei540, createdTime=Fri Nov 17 09:53:00 CST 2017, time=2017-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726680, encodeId=f9921e266803d, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, 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=Tue Nov 07 01:53:00 CST 2017, time=2017-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1369806, encodeId=99441369806be, content=<a href='/topic/show?id=29a06e597cd' target=_blank style='color:#2F92EE;'>#牙槽骨吸收#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67597, encryptionId=29a06e597cd, topicName=牙槽骨吸收)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1e34303, createdName=wetgdt, createdTime=Thu Aug 31 07:53:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1532584, encodeId=3481153258471, content=<a href='/topic/show?id=75991016300c' target=_blank style='color:#2F92EE;'>#骨吸收#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101630, encryptionId=75991016300c, topicName=骨吸收)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74d112366079, createdName=徐岩, createdTime=Thu Aug 31 07:53:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238743, encodeId=0418238e435f, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K46ZAxBHmHsph32KkfsWGwmickB6RsCUD8KruE4vo5CpvXfdu16GBpp4ibh6WJu1o9iatP1LWKDmvmic/0, createdBy=be6f1940165, createdName=1e0ece0dm09(暂无匿称), createdTime=Wed Aug 30 18:57:18 CST 2017, time=2017-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238409, encodeId=f902238409e8, content=学习了受益匪浅., beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDicHg2ldsSNmib46PmdzpO7CQEmPjuULp1v45zPWwMYhrnXgvl3OtmUCZSQfgITWn96X9moL94nUGA/0, createdBy=28072041016, createdName=131****1460, createdTime=Tue Aug 29 19:58:50 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238381, encodeId=5109238381e5, content=学习了.值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Tue Aug 29 17:34:20 CST 2017, time=2017-08-29, status=1, ipAttribution=)]
    2017-08-29 131****1460

    学习了受益匪浅.

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1667879, encodeId=e5c8166e879a8, content=<a href='/topic/show?id=64596e594d8' target=_blank style='color:#2F92EE;'>#牙槽骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67594, encryptionId=64596e594d8, topicName=牙槽骨)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=87b426195956, createdName=mei540, createdTime=Fri Nov 17 09:53:00 CST 2017, time=2017-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726680, encodeId=f9921e266803d, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, 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=Tue Nov 07 01:53:00 CST 2017, time=2017-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1369806, encodeId=99441369806be, content=<a href='/topic/show?id=29a06e597cd' target=_blank style='color:#2F92EE;'>#牙槽骨吸收#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67597, encryptionId=29a06e597cd, topicName=牙槽骨吸收)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1e34303, createdName=wetgdt, createdTime=Thu Aug 31 07:53:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1532584, encodeId=3481153258471, content=<a href='/topic/show?id=75991016300c' target=_blank style='color:#2F92EE;'>#骨吸收#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101630, encryptionId=75991016300c, topicName=骨吸收)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74d112366079, createdName=徐岩, createdTime=Thu Aug 31 07:53:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238743, encodeId=0418238e435f, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K46ZAxBHmHsph32KkfsWGwmickB6RsCUD8KruE4vo5CpvXfdu16GBpp4ibh6WJu1o9iatP1LWKDmvmic/0, createdBy=be6f1940165, createdName=1e0ece0dm09(暂无匿称), createdTime=Wed Aug 30 18:57:18 CST 2017, time=2017-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238409, encodeId=f902238409e8, content=学习了受益匪浅., beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDicHg2ldsSNmib46PmdzpO7CQEmPjuULp1v45zPWwMYhrnXgvl3OtmUCZSQfgITWn96X9moL94nUGA/0, createdBy=28072041016, createdName=131****1460, createdTime=Tue Aug 29 19:58:50 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238381, encodeId=5109238381e5, content=学习了.值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Tue Aug 29 17:34:20 CST 2017, time=2017-08-29, status=1, ipAttribution=)]
    2017-08-29 1ddf0692m34(暂无匿称)

    学习了.值得分享

    0

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