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PLoS One:抑制SIK可降低RANKL诱导的破骨细胞发生

2017-10-22 MedSci MedSci原创

破骨细胞是负责骨吸收的大型多核细胞。破骨细胞的过度炎症活化导致骨侵蚀,是几种疾病如类风湿性关节炎(RA)的标志。盐诱导型激酶(SIK)构成包含三个成员(SIK1,-2和-3)的激酶亚科。在巨噬细胞中抑制SIK激酶活性可诱导抗炎表型。由于破骨细胞起源于巨噬细胞来源的前体,研究人员假设SIK在破骨细胞发生中发挥作用。研究使用小鼠巨噬细胞细胞系RAW264.7和骨髓来源的巨噬细胞(BMM)分析了SIK1

破骨细胞是负责骨吸收的大型多核细胞。破骨细胞的过度炎症活化导致骨侵蚀,是几种疾病如类风湿性关节炎(RA)的标志。盐诱导型激酶(SIK)构成包含三个成员(SIK1,-2和-3)的激酶亚科。在巨噬细胞中抑制SIK激酶活性可诱导抗炎表型。由于破骨细胞起源于巨噬细胞来源的前体,研究人员假设SIK在破骨细胞发生中发挥作用。

研究使用小鼠巨噬细胞细胞系RAW264.7和骨髓来源的巨噬细胞(BMM)分析了SIK1,-2和-3在破骨细胞分化中的表达和功能。结果显示三种SIK都在完全分化的破骨细胞中表达,且在BMM衍生的破骨细胞中,SIK1和SIK3蛋白的表达增加。有趣的是,pan-SIK抑制剂HG-9-91-01以剂量依赖式明显降低破骨细胞分化的标志物(即组织蛋白酶K,MMP-9和TRAP)和骨吸收活性,抑制破骨细胞的发生。

RAW细胞中RANKL激活的信号通路分析表明,SIK抑制剂并不影响RANKL诱导的ERK1/2、JNK、p38或NF-κB的活化,但诱导c-Fos和NFATc1(两种参与破骨细胞特异性基因调控的主要转录因子)蛋白水平明显下调。此外,SIK抑制部分增加了c-Fos蛋白酶体介导的降解。通过CRISPR/Cas9方法制备敲除SIK2和SIK3 的RAW细胞。SIK2 KO和SIK3 KO在较小程度上重现了SIK小分子抑制剂的作用,从而证实了SIK抑制对破骨细胞形成减少的影响的特异性。

总的来说,该研究结果支持SIK信号通路在控制破骨细胞发生的检查点中发挥重要作用的概念。因此,SIK激酶抑制剂或是预防骨侵蚀的一种潜在治疗方法。

原始出处:

Maria Stella Lombardi, Corine Gilliéron, et al., Salt-inducible kinases (SIK) inhibition reduces RANKL-induced osteoclastogenesis. PLoS One. 2017; 12(10): e0185426. Published online 2017 Oct 3. doi: 10.1371/journal.pone.0185426

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    2017-11-05 海之蓝

    学习

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    2017-10-24 fzwish20002
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1790049, encodeId=e68c1e9004968, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fda6311, createdName=119337457, createdTime=Mon Apr 16 09:48:00 CST 2018, time=2018-04-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=258918, encodeId=aff3258918fc, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=139, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJpBl6xwMmnsKibwxcAIltOH3nnCEQbNE6TDbYtCKe8hYI0oJrbduNqnJraM1PyyjPKU1suAzicYPaA/132, createdBy=eeaf2031798, createdName=海之蓝, createdTime=Sun Nov 05 18:15:20 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1309976, encodeId=100a13099e637, content=<a href='/topic/show?id=2830e349460' target=_blank style='color:#2F92EE;'>#破骨细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73494, encryptionId=2830e349460, topicName=破骨细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5e30378, createdName=caobinglei8079, createdTime=Tue Oct 24 10:48:00 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1465938, encodeId=527e1465938fe, content=<a href='/topic/show?id=1a2b151156f' target=_blank style='color:#2F92EE;'>#RANKL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15115, encryptionId=1a2b151156f, topicName=RANKL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c1966767752, createdName=fzwish20002, createdTime=Tue Oct 24 10:48:00 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1495020, encodeId=e64a149502006, content=<a href='/topic/show?id=3c0b10182102' target=_blank style='color:#2F92EE;'>#骨细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101821, encryptionId=3c0b10182102, topicName=骨细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=723c9147696, createdName=jj000004, createdTime=Tue Oct 24 10:48:00 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=255535, encodeId=4fd52555355c, content=好, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6d551998554, createdName=1e1c07bdm01(暂无匿称), createdTime=Tue Oct 24 07:43:21 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=255460, encodeId=041a25546048, content=学了......., beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4Neru1qt53a14aACuSzg3TZhkTcsPYVibyHibhTZ5L4k9qIBWiaej4lgomIsGptf8N16E4mTuIq2DVdJXjPjmwZKrLib/0, createdBy=5a0f2055853, createdName=135****7952平儿, createdTime=Mon Oct 23 23:22:09 CST 2017, time=2017-10-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=255149, encodeId=e9d8255149fc, content=学习了.谢谢分享., beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=60791943465, createdName=1e0f8808m18(暂无匿称), createdTime=Sun Oct 22 19:56:43 CST 2017, time=2017-10-22, status=1, ipAttribution=)]
  7. [GetPortalCommentsPageByObjectIdResponse(id=1790049, encodeId=e68c1e9004968, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fda6311, createdName=119337457, createdTime=Mon Apr 16 09:48:00 CST 2018, time=2018-04-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=258918, encodeId=aff3258918fc, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=139, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJpBl6xwMmnsKibwxcAIltOH3nnCEQbNE6TDbYtCKe8hYI0oJrbduNqnJraM1PyyjPKU1suAzicYPaA/132, createdBy=eeaf2031798, createdName=海之蓝, createdTime=Sun Nov 05 18:15:20 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1309976, encodeId=100a13099e637, content=<a href='/topic/show?id=2830e349460' target=_blank style='color:#2F92EE;'>#破骨细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73494, encryptionId=2830e349460, topicName=破骨细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5e30378, createdName=caobinglei8079, createdTime=Tue Oct 24 10:48:00 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1465938, encodeId=527e1465938fe, content=<a href='/topic/show?id=1a2b151156f' target=_blank style='color:#2F92EE;'>#RANKL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15115, encryptionId=1a2b151156f, topicName=RANKL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c1966767752, createdName=fzwish20002, createdTime=Tue Oct 24 10:48:00 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1495020, encodeId=e64a149502006, content=<a href='/topic/show?id=3c0b10182102' target=_blank style='color:#2F92EE;'>#骨细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101821, encryptionId=3c0b10182102, topicName=骨细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=723c9147696, createdName=jj000004, createdTime=Tue Oct 24 10:48:00 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=255535, encodeId=4fd52555355c, content=好, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6d551998554, createdName=1e1c07bdm01(暂无匿称), createdTime=Tue Oct 24 07:43:21 CST 2017, time=2017-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=255460, encodeId=041a25546048, content=学了......., beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4Neru1qt53a14aACuSzg3TZhkTcsPYVibyHibhTZ5L4k9qIBWiaej4lgomIsGptf8N16E4mTuIq2DVdJXjPjmwZKrLib/0, createdBy=5a0f2055853, createdName=135****7952平儿, createdTime=Mon Oct 23 23:22:09 CST 2017, time=2017-10-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=255149, encodeId=e9d8255149fc, content=学习了.谢谢分享., beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=60791943465, createdName=1e0f8808m18(暂无匿称), createdTime=Sun Oct 22 19:56:43 CST 2017, time=2017-10-22, status=1, ipAttribution=)]
    2017-10-23 135****7952平儿

    学了.......

    0

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    2017-10-22 1e0f8808m18(暂无匿称)

    学习了.谢谢分享.

    0

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