J Dent Res:WNT活性对于鱼牙齿数量的时序调控

2018-12-16 lishiting MedSci原创

Wnts在胚胎发生过程中调节着细胞的极化、增殖和分化,并且在牙齿发育的起始和形态发生阶段扮演着极其重要的角色。在发育中,Wnt/β-catenin信号扮演着时间依赖的角色,因为多种信号分子相互作用涉及到此通路,并且对通路的紧密调控对于正常的发育起到非常重要的作用。然而,关于Wnt/β-catenin信号通路如何调控牙齿发育不同阶段的研究极少。特别是,Wnt/β-catenin信号失去功能对牙齿发育

Wnts在胚胎发生过程中调节着细胞的极化、增殖和分化,并且在牙齿发育的起始和形态发生阶段扮演着极其重要的角色。在发育中,Wnt/β-catenin信号扮演着时间依赖的角色,因为多种信号分子相互作用涉及到此通路,并且对通路的紧密调控对于正常的发育起到非常重要的作用。然而,关于Wnt/β-catenin信号通路如何调控牙齿发育不同阶段的研究极少。特别是,Wnt/β-catenin信号失去功能对牙齿发育的不同阶段的影响目前为止还未可知。此项研究中,作者报道了Wnt/β-catenin信号通路在牙齿发育过程中阶段依赖模式的作用。

研究通过DKK1过表达和热冲击诱导模型以及药理学抑制斑马鱼中β-catenin破坏复合体的形成分别构建Wnt/β-catenin信号在体内的功能缺失和获取。结果显示,瞬时抑制Wnt/β-catenin信号会以阶段依赖的模式干预牙齿的发育,在4V形态发生过程中条件激活Wnt/β-catenin信号会抑制V3的发育。

这些结果表明,Wnt/β-catenin信号在牙齿发生过程中扮演着重要的角色,并且以阶段依赖的模式调节连续牙齿发育过程中的起始阶段。

原始出处:

Shim JS, Kim B, et al. Temporal Control of WNT Activity Regulates Tooth Number in Fish. J Dent Res. 2018 Dec 4:22034518811322. doi: 10.1177/0022034518811322.

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    2018-12-18 zhouqu_8
  2. [GetPortalCommentsPageByObjectIdResponse(id=1430167, encodeId=eac5143016e2c, content=<a href='/topic/show?id=b58f6e691fc' target=_blank style='color:#2F92EE;'>#牙齿#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67691, encryptionId=b58f6e691fc, topicName=牙齿)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Tue Dec 18 08:21:00 CST 2018, time=2018-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1598628, encodeId=1b90159862833, content=<a href='/topic/show?id=c4da18e2588' target=_blank style='color:#2F92EE;'>#WNT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=18725, encryptionId=c4da18e2588, topicName=WNT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eb3518632538, createdName=zhwj, createdTime=Tue Dec 18 08:21:00 CST 2018, time=2018-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355660, encodeId=5df535566003, content= 学习了,涨知识了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDM9swhbgTo7nzqRKzMmzckmEoeTyLQVDCgjqsicjyhxPs0vPoYU6GsSYbCjSkNHicJkz3NL0a0EbUMVdNjkctXI6FocpGKaVr9E/0, createdBy=29392048316, createdName=王秀, createdTime=Mon Dec 17 15:07:23 CST 2018, time=2018-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355587, encodeId=a7b635558e37, content=学习了,涨知识了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDM9swhbgTo7nzqRKzMmzckmEoeTyLQVDCgjqsicjyhxPs0vPoYU6GsSYbCjSkNHicJkz3NL0a0EbUMVdNjkctXI6FocpGKaVr9E/0, createdBy=29392048316, createdName=王秀, createdTime=Sun Dec 16 17:37:04 CST 2018, time=2018-12-16, status=1, ipAttribution=)]
    2018-12-18 zhwj
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    2018-12-17 王秀

    学习了,涨知识了!

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1430167, encodeId=eac5143016e2c, content=<a href='/topic/show?id=b58f6e691fc' target=_blank style='color:#2F92EE;'>#牙齿#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67691, encryptionId=b58f6e691fc, topicName=牙齿)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Tue Dec 18 08:21:00 CST 2018, time=2018-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1598628, encodeId=1b90159862833, content=<a href='/topic/show?id=c4da18e2588' target=_blank style='color:#2F92EE;'>#WNT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=18725, encryptionId=c4da18e2588, topicName=WNT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eb3518632538, createdName=zhwj, createdTime=Tue Dec 18 08:21:00 CST 2018, time=2018-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355660, encodeId=5df535566003, content= 学习了,涨知识了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDM9swhbgTo7nzqRKzMmzckmEoeTyLQVDCgjqsicjyhxPs0vPoYU6GsSYbCjSkNHicJkz3NL0a0EbUMVdNjkctXI6FocpGKaVr9E/0, createdBy=29392048316, createdName=王秀, createdTime=Mon Dec 17 15:07:23 CST 2018, time=2018-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355587, encodeId=a7b635558e37, content=学习了,涨知识了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDM9swhbgTo7nzqRKzMmzckmEoeTyLQVDCgjqsicjyhxPs0vPoYU6GsSYbCjSkNHicJkz3NL0a0EbUMVdNjkctXI6FocpGKaVr9E/0, createdBy=29392048316, createdName=王秀, createdTime=Sun Dec 16 17:37:04 CST 2018, time=2018-12-16, status=1, ipAttribution=)]
    2018-12-16 王秀

    学习了,涨知识了!

    0

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