Int J Mol Med:鸟嘌呤和核苷酸结合蛋白3通过JNK和ERK信号通路促进顶端乳头干细胞的成牙/成骨分化

2019-04-30 不详 网络

来自顶端乳头(SCAPs)的干细胞的成牙/成骨分化是牙根形成和发育的关键过程。然而,这一过程背后的分子机制仍然未知。在本研究中,研究人员确定鸟嘌呤和核苷酸结合蛋白3(GNAI3)参与了SCAP的牙齿/成骨分化。GNAI3在体内小鼠牙根发育和体外人SCAPs矿化中发挥明显的诱导作用。值得注意的是,通过表达针对GNAI3的短发夹RNA的慢病毒载体敲低GNAI3显著抑制SCAP的增殖,细胞周期进程和迁移

来自顶端乳头(SCAPs)的干细胞的成牙/成骨分化是牙根形成和发育的关键过程。然而,这一过程背后的分子机制仍然未知。在本研究中,研究人员确定鸟嘌呤和核苷酸结合蛋白3(GNAI3)参与了SCAP的牙齿/成骨分化。

GNAI3在体内小鼠牙根发育和体外人SCAPs矿化中发挥明显的诱导作用。值得注意的是,通过表达针对GNAI3的短发夹RNA的慢病毒载体敲低GNAI3显著抑制SCAP的增殖,细胞周期进程和迁移,以及体外SCAP的牙齿/成骨分化,表明GNAI3可能在牙齿中起重要作用。GNAI3在牙齿/成骨分化中的促进作用通过GNAI3缺陷型SCAP中牙本质/成骨细胞的下调进一步证实。此外,敲除GNAI3有效地抑制了在SCAP分化过程中诱导的c-Jun N末端激酶(JNK)和细胞外信号调节激酶(ERK)信号通路的活性,表明GNAI3至少部分通过JNK/ERK信号促进SCAPs矿化。

总之,本结果表明GNAI3是牙齿发育过程中SCAPs牙齿/成骨分化的关键调节因子,并提示GNAI3在牙本质或其他组织中的再生过程中可能起作用。

原始出处:

Zhang Y, Yuan L, et al., Guanine and nucleotide binding protein 3 promotes odonto/osteogenic differentiation of apical papilla stem cells via JNK and ERK signaling pathways. Int J Mol Med. 2019 Jan;43(1):382-392. doi: 10.3892/ijmm.2018.3984. Epub 2018 Nov 7.

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    2019-08-28 chenlianhui
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    2019-08-04 xsm918
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1821423, encodeId=54c5182142378, content=<a href='/topic/show?id=428a101612e7' target=_blank style='color:#2F92EE;'>#骨分化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101612, encryptionId=428a101612e7, topicName=骨分化)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/qXbLjJB4FSzhQS3C5qQFMJkqicRIJFL6zHFwwhv0I95nzA6xicevQcEica0gk4A58UkbMMriadAgTY2b7N7Yd0ZsQg/132, createdBy=910c2500152, createdName=HinsMax, createdTime=Thu Mar 19 01:05:00 CST 2020, time=2020-03-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1752130, encodeId=06731e5213080, content=<a href='/topic/show?id=735669505d' target=_blank style='color:#2F92EE;'>#ERK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6950, encryptionId=735669505d, topicName=ERK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5e8a36466835, createdName=chenlianhui, createdTime=Wed Aug 28 14:05:00 CST 2019, time=2019-08-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1945637, encodeId=fa1d194563ecc, content=<a href='/topic/show?id=a9fa62150e8' target=_blank style='color:#2F92EE;'>#核苷酸#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62150, encryptionId=a9fa62150e8, topicName=核苷酸)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=49cf452, createdName=xsm918, createdTime=Sun Aug 04 18:05:00 CST 2019, time=2019-08-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337565, encodeId=50c5133e5654e, content=<a href='/topic/show?id=863f5409610' target=_blank style='color:#2F92EE;'>#成骨分化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54096, encryptionId=863f5409610, topicName=成骨分化)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83eqySEUYKeYDjXJMYMrtscBNkpAnLfQZgDcdkEratcJPqS7ARJOXqllZQhCSFicErlBFbIywuoiaP0LQ/132, createdBy=012d2500132, createdName=ms5880526374914242, createdTime=Thu May 02 11:05:00 CST 2019, time=2019-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1352122, encodeId=24dd1352122c5, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54093, encryptionId=e95954093cd, topicName=成骨)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Thu May 02 11:05:00 CST 2019, time=2019-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539741, encodeId=bb591539e4134, content=<a href='/topic/show?id=c61a2e315da' target=_blank style='color:#2F92EE;'>#信号通路#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27315, encryptionId=c61a2e315da, topicName=信号通路)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b12d13147749, createdName=wgx310, createdTime=Thu May 02 11:05:00 CST 2019, time=2019-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1609727, encodeId=59671609e27b6, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Thu May 02 11:05:00 CST 2019, time=2019-05-02, status=1, ipAttribution=)]
    2019-05-02 zhaojie88
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