JACC:干细胞治疗肌营养不良的实验研究

2020-03-16 MedSci原创 MedSci原创

尽管心肌病已经成为Duchenne肌营养不良(DMD)的主要死因,但是目前尚无有效治疗手段。本研究的目的旨在利用DMD患者特异性人诱导多能干细胞(hiPSC)来源的心肌细胞来探究可能的药物治疗手段。

尽管心肌病已经成为Duchenne肌营养不良(DMD)的主要死因,但是目前尚无有效治疗手段。本研究的目的旨在利用DMD患者特异性人诱导多能干细胞(hiPSC)来源的心肌细胞来探究可能的药物治疗手段。

在基线和肾上腺素能刺激后,DMD-hiPSC来源的心肌细胞与同功对照组相比,心律失常钙痕迹显着增加。此外,心得安治疗可显着降低这些心律失常的发生。通过遥感监测,观察到缺乏营养不良蛋白的mdx小鼠在异丙肾上腺素刺激下有心律失常性死亡,致命性心律失常部分能通过普萘洛尔的预治疗得以补救。利用单细胞和体RNA测序(RNA-seq),比较了DMD和对照hiPSC来源的心肌细胞、mdx小鼠和对照小鼠,并确定了潜在的信号通路。另外,还对人类DMD左心室样本进行了转录组分析,发现DMD-hiPSC来源的心肌细胞具有与人类DMD心脏相似的变化信号通路。

本研究从人到动物再到人对肌营养不良进行了药物干预和机制研究。

原始出处:

Forum K et al.Stem Cell–Derived Cardiomyocytes and Beta-Adrenergic Receptor Blockade in Duchenne Muscular Dystrophy Cardiomyopathy.JACC.2020 Mar.

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    2021-11-12 湘雅科教

    已拜读,受益匪浅。

    0

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    2020-07-28 hbwxf
  4. [GetPortalCommentsPageByObjectIdResponse(id=1069563, encodeId=90fd1069563dc, content=已拜读,受益匪浅。, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6c905475903, createdName=湘雅科教, createdTime=Fri Nov 12 10:41:14 CST 2021, time=2021-11-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1737084, encodeId=8d551e3708444, content=<a href='/topic/show?id=6ee1810e0ad' target=_blank style='color:#2F92EE;'>#肌营养不良#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81070, encryptionId=6ee1810e0ad, topicName=肌营养不良)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cd6034244098, createdName=751943081_32627960, createdTime=Sun Feb 21 08:33:16 CST 2021, time=2021-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1854690, encodeId=43b71854690c4, content=<a href='/topic/show?id=48351020537' target=_blank style='color:#2F92EE;'>#JACC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10205, encryptionId=48351020537, topicName=JACC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55ce62, createdName=hbwxf, createdTime=Tue Jul 28 00:33:16 CST 2020, time=2020-07-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025413, encodeId=ebf9102541310, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Thu Mar 19 16:33:16 CST 2020, time=2020-03-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1326521, encodeId=71981326521e9, content=<a href='/topic/show?id=96c71804b7' target=_blank style='color:#2F92EE;'>#ACC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1804, encryptionId=96c71804b7, topicName=ACC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1e452500029, createdName=12498568m50暂无昵称, createdTime=Wed Mar 18 07:33:16 CST 2020, time=2020-03-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=380630, encodeId=932b380630a9, content=了解一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=99, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Tue Mar 17 18:15:12 CST 2020, time=2020-03-17, status=1, ipAttribution=)]
    2020-03-19 独孤立克

    干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦

    0

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    2020-03-17 wxl882001

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