J Biomech:振动加载通过p38 MAPK信号通路促进骨髓间充质干细胞的成骨分化

2018-03-15 MedSci MedSci原创

低量级高频振动(LMHFV)在骨组织中表现出有效的合成代谢作用,并且可以促进间充质干细胞(MSC)的体外成骨分化。p38 MAPK信号在LMHFV诱导的骨生成中的作用仍不清楚。在本研究中,在体外,将LMHFV载体施加到BMSCs,并测定细胞增殖、碱性磷酸酶(ALP)、基质矿化以及成骨基因表达。利用PCR芯片、qRT-PCR和Western blot分析机械信号转导的机制。 结果显示,LMHFV增加

低量级高频振动(LMHFV)在骨组织中表现出有效的合成代谢作用,并且可以促进间充质干细胞(MSC)的体外成骨分化。p38 MAPK信号在LMHFV诱导的骨生成中的作用仍不清楚。

在本研究中,在体外,将LMHFV载体施加到BMSCs,并测定细胞增殖、碱性磷酸酶(ALP)、基质矿化以及成骨基因表达。利用PCR芯片、qRT-PCR和Western blot分析机械信号转导的机制。

结果显示,LMHFV增加了培养基中的细胞增殖,同时抑制成骨培养基中的增殖。LMHFV增加成骨基因Runx2、Col-I、ALP、OPN和OC的活性,基质矿化和ALP的活性。p38和MKK6基因表达,以及p38磷酸化在LMHFV诱导的成骨中被促进。使用SB203580和靶向p38siRNA抑制p38MAPK减弱了LMHFV增加的ALP活性和成骨基因的表达。

综上所述,这些发现表明LMHFV促进BMSCs的成骨分化,且p38MAPK信号传导在LMHFV诱导的成骨中显示出重要功能。

原始出处:

Lu Y, Zhao Q, et al., Vibration loading promotes osteogenic differentiation of bone marrow-derived mesenchymal stem cells via p38 MAPK signaling pathway. J Biomech. 2018 Feb 8. pii: S0021-9290(18)30076-9. doi: 10.1016/j.jbiomech.2018.01.039. [Epub ahead of print]

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    2018-09-02 sunylz
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    2018-08-19 HinsMax
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1917968, encodeId=2265191e96882, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Sun Sep 02 23:42:00 CST 2018, time=2018-09-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1815300, encodeId=dc72181530061, content=<a href='/topic/show?id=ae359e231d4' target=_blank style='color:#2F92EE;'>#间充质干细#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97231, encryptionId=ae359e231d4, topicName=间充质干细)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4b632500090, createdName=h.y200607_23674418, createdTime=Sun Nov 25 02:42:00 CST 2018, time=2018-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1821299, encodeId=077618212990f, 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=32, 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=Sun Aug 19 15:42:00 CST 2018, time=2018-08-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1705453, encodeId=62aa1e054537b, content=<a href='/topic/show?id=31f9102015b3' target=_blank style='color:#2F92EE;'>#骨髓间充质干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102015, encryptionId=31f9102015b3, topicName=骨髓间充质干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=723a30986413, createdName=ying_wu, createdTime=Sun Nov 11 21:42:00 CST 2018, time=2018-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1717890, encodeId=28be1e17890c5, content=<a href='/topic/show?id=c95711284ca' target=_blank style='color:#2F92EE;'>#MAPK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11284, encryptionId=c95711284ca, topicName=MAPK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=21d332479882, createdName=lidong51, createdTime=Mon Oct 15 12:42:00 CST 2018, time=2018-10-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337445, encodeId=e529133e44547, 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=19, 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=Sat Mar 17 04:42:00 CST 2018, time=2018-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351675, encodeId=838713516e50a, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, 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=Sat Mar 17 04:42:00 CST 2018, time=2018-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539664, encodeId=30a7153966473, 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=19, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27315, encryptionId=c61a2e315da, topicName=信号通路)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=智者为医08, createdTime=Sat Mar 17 04:42:00 CST 2018, time=2018-03-17, status=1, ipAttribution=)]
    2018-10-15 lidong51
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    2018-03-17 zhaojie88
  8. [GetPortalCommentsPageByObjectIdResponse(id=1917968, encodeId=2265191e96882, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Sun Sep 02 23:42:00 CST 2018, time=2018-09-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1815300, encodeId=dc72181530061, content=<a href='/topic/show?id=ae359e231d4' target=_blank style='color:#2F92EE;'>#间充质干细#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97231, encryptionId=ae359e231d4, topicName=间充质干细)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4b632500090, createdName=h.y200607_23674418, createdTime=Sun Nov 25 02:42:00 CST 2018, time=2018-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1821299, encodeId=077618212990f, 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=32, 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=Sun Aug 19 15:42:00 CST 2018, time=2018-08-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1705453, encodeId=62aa1e054537b, content=<a href='/topic/show?id=31f9102015b3' target=_blank style='color:#2F92EE;'>#骨髓间充质干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102015, encryptionId=31f9102015b3, topicName=骨髓间充质干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=723a30986413, createdName=ying_wu, createdTime=Sun Nov 11 21:42:00 CST 2018, time=2018-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1717890, encodeId=28be1e17890c5, content=<a href='/topic/show?id=c95711284ca' target=_blank style='color:#2F92EE;'>#MAPK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11284, encryptionId=c95711284ca, topicName=MAPK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=21d332479882, createdName=lidong51, createdTime=Mon Oct 15 12:42:00 CST 2018, time=2018-10-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337445, encodeId=e529133e44547, 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=19, 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=Sat Mar 17 04:42:00 CST 2018, time=2018-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351675, encodeId=838713516e50a, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, 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=Sat Mar 17 04:42:00 CST 2018, time=2018-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539664, encodeId=30a7153966473, 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=19, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27315, encryptionId=c61a2e315da, topicName=信号通路)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=智者为医08, createdTime=Sat Mar 17 04:42:00 CST 2018, time=2018-03-17, status=1, ipAttribution=)]