Cell Death Dis:PARP-1缺失可缓解糖尿病性动脉粥样硬化进展

2020-02-09 QQY MedSci原创

动脉粥样硬化钙化作用加快是斑块形成的主要原因,尤其是在糖尿病患者中。但糖尿病患者的动脉粥样硬化钙化作用的调控机制目前还知之甚少。研究人员发现PARP-1(一种在多种代谢并发症中的主要酶)的缺失可以减缓糖尿病患者的动脉粥样硬化的钙化过程,并通过抑制Runx2的表达来延缓小鼠的血管硬化过程。具体而言,PARP-1缺失可以通过调节Stat1介导的血管平滑肌细胞的综合表型转换及巨噬细胞极化来减慢糖尿病患者

动脉粥样硬化钙化作用加快是斑块形成的主要原因,尤其是在糖尿病患者中。但糖尿病患者的动脉粥样硬化钙化作用的调控机制目前还知之甚少。

研究人员发现PARP-1(一种在多种代谢并发症中的主要酶)的缺失可以减缓糖尿病患者的动脉粥样硬化的钙化过程,并通过抑制Runx2的表达来延缓小鼠的血管硬化过程。

具体而言,PARP-1缺失可以通过调节Stat1介导的血管平滑肌细胞的综合表型转换及巨噬细胞极化来减慢糖尿病患者动脉粥样硬化的钙化过程。而在成骨介质中,血管平滑肌细胞及巨噬细胞均表现出成骨分化过程,而抑制PARP-1/Stat1会减弱这一进程。

值得注意的是,Stat1可以通过直接结合Runx2的启动子来促进糖尿病患者动脉粥样硬化的钙化过程,进而充当正向转录因子。

综上所述,本研究结果揭示了PARP-1的新功能,代谢紊乱相关的刺激物可激活Stat1转录介导的Runx2表达,进而促进糖尿病性动脉硬化的钙化过程。因此,抑制PARP-1或可成为糖尿病性动脉粥样硬化的有效治疗方法。

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    2020-06-11 维他命
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    2020-02-11 cy0328
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    2020-02-11 zhaojie88
  7. [GetPortalCommentsPageByObjectIdResponse(id=1961861, encodeId=7240196186193, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Thu Jun 11 22:14:00 CST 2020, time=2020-06-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2013171, encodeId=98c720131e1c7, content=<a href='/topic/show?id=7d69598468' target=_blank style='color:#2F92EE;'>#Dis#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5984, encryptionId=7d69598468, topicName=Dis)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Tue Aug 25 04:14:00 CST 2020, time=2020-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1944637, encodeId=b557194463ef6, content=<a href='/topic/show?id=411de6300ad' target=_blank style='color:#2F92EE;'>#粥样硬化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76300, encryptionId=411de6300ad, topicName=粥样硬化)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b30d401, createdName=huangshifeng, createdTime=Sun Sep 20 15:14:00 CST 2020, time=2020-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871569, encodeId=2f4218e156968, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sat Sep 19 01:14:00 CST 2020, time=2020-09-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1531529, encodeId=24d3153152973, content=<a href='/topic/show?id=770e5e9457' target=_blank style='color:#2F92EE;'>#Death#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5794, encryptionId=770e5e9457, topicName=Death)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=32e312278742, createdName=cy0328, createdTime=Tue Feb 11 12:14:00 CST 2020, time=2020-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1621357, encodeId=1f89162135ea9, content=<a href='/topic/show?id=49b313e56ad' target=_blank style='color:#2F92EE;'>#PARP#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13756, encryptionId=49b313e56ad, topicName=PARP)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Tue Feb 11 12:14:00 CST 2020, time=2020-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1042966, encodeId=a5b0104296643, content=谢谢MedSci提供最新的资讯, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Mon Feb 10 00:14:00 CST 2020, time=2020-02-10, status=1, ipAttribution=)]
    2020-02-10 misszhang

    谢谢MedSci提供最新的资讯

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