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Dev Cell:清华大学俞立研究组发现能量匮乏诱导自噬发生的分子机制

2017-04-21 佚名 生物帮

近日,国际著名学术杂志《Cell》子刊《Developmental Cell》杂志在线发表了清华大学医学院俞立研究组题为“线粒体Snf1-Mec1-Atg1复合物通过调控线粒体呼吸介导能量匮乏诱导的细胞自噬”(Formation of a Snf1-Mec1-Atg1 Module?on Mitochondria Governs Energy Deprivation-Induced Autopha

近日,国际著名学术杂志《Cell》子刊《Developmental Cell》杂志在线发表了清华大学医学院俞立研究组题为“线粒体Snf1-Mec1-Atg1复合物通过调控线粒体呼吸介导能量匮乏诱导的细胞自噬”(Formation of a Snf1-Mec1-Atg1 Module?on Mitochondria Governs Energy Deprivation-Induced Autophagy by Regulating Mitochondrial Respiration)的研究论文。论文探讨了在能量匮乏条件下细胞自噬如何被诱导的分子机制,并发现细胞能量感受器Snf1,DNA损伤修复蛋白Mec1,自噬蛋白Atg1一起通过控制线粒体的呼吸作用来调控细胞自噬的发生。清华大学生命科学学院博士后易聪和博士生仝晶晶为本论文的共同第一作者,俞立教授为本文通讯作者。

mTOR和AMPK两个信号分子在细胞自噬的发生过程中扮演着非常重要的调控作用。近年来围绕mTOR信号分子如何调控细胞自噬的研究比较集中,因此也比较清楚。但是目前人们对于在能量匮乏条件下,AMPK信号分子如何调控细胞自噬的发生并不清楚。本课题以酿酒酵母和哺乳动物细胞为研究材料,发现DNA损伤修复蛋白Mec1特异性的参与了能量匮乏诱导的自噬。并发现在能量匮乏条件下, Snf1(AMPK分子在酵母中的同源物)、DNA损伤修复蛋白Mec1(ATR分子在酵母中的同源物)和自噬蛋白Atg1特异性的招募到线粒体上通过调节线粒体的呼吸作用来控制细胞自噬的发生。通过对哺乳动物细胞Mec1的同源物ATR的敲低,发现了ATR对于能量匮乏诱导的自噬也是必须的。

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    2017-12-15 fzwish20000
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    2018-03-13 维他命
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    2017-04-23 医生2397
  5. [GetPortalCommentsPageByObjectIdResponse(id=1869907, encodeId=b1c7186990eaa, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Tue Sep 05 08:34:00 CST 2017, time=2017-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982248, encodeId=29701982248c1, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Fri Dec 15 01:34:00 CST 2017, time=2017-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1960166, encodeId=ba8219601661c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, 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=Tue Mar 13 21:34:00 CST 2018, time=2018-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1500105, encodeId=cc77150010501, content=<a href='/topic/show?id=9e6866216d7' target=_blank style='color:#2F92EE;'>#清华#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66216, encryptionId=9e6866216d7, topicName=清华)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=10f29422809, createdName=医生2397, createdTime=Sun Apr 23 01:34:00 CST 2017, time=2017-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189383, encodeId=b3a618938308, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=424a1684197, createdName=摩天轮, createdTime=Fri Apr 21 14:56:37 CST 2017, time=2017-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189369, encodeId=0b5318936916, content=学习了,收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLB2lWFzjaQjxC33RfYGdWpDovtkkdhzWmm9c4lRfGccXhIurkRaLuS5VBHDGBbAOTm2bWazV6x9wg/0, createdBy=342e1692193, createdName=Arthur M, createdTime=Fri Apr 21 12:40:41 CST 2017, time=2017-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189334, encodeId=8729189334ed, content=自噬机制很热门, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Fri Apr 21 10:44:09 CST 2017, time=2017-04-21, status=1, ipAttribution=)]
    2017-04-21 摩天轮

    学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1869907, encodeId=b1c7186990eaa, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Tue Sep 05 08:34:00 CST 2017, time=2017-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982248, encodeId=29701982248c1, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Fri Dec 15 01:34:00 CST 2017, time=2017-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1960166, encodeId=ba8219601661c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, 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=Tue Mar 13 21:34:00 CST 2018, time=2018-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1500105, encodeId=cc77150010501, content=<a href='/topic/show?id=9e6866216d7' target=_blank style='color:#2F92EE;'>#清华#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66216, encryptionId=9e6866216d7, topicName=清华)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=10f29422809, createdName=医生2397, createdTime=Sun Apr 23 01:34:00 CST 2017, time=2017-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189383, encodeId=b3a618938308, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=424a1684197, createdName=摩天轮, createdTime=Fri Apr 21 14:56:37 CST 2017, time=2017-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189369, encodeId=0b5318936916, content=学习了,收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLB2lWFzjaQjxC33RfYGdWpDovtkkdhzWmm9c4lRfGccXhIurkRaLuS5VBHDGBbAOTm2bWazV6x9wg/0, createdBy=342e1692193, createdName=Arthur M, createdTime=Fri Apr 21 12:40:41 CST 2017, time=2017-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189334, encodeId=8729189334ed, content=自噬机制很热门, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Fri Apr 21 10:44:09 CST 2017, time=2017-04-21, status=1, ipAttribution=)]
    2017-04-21 Arthur M

    学习了,收藏

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1869907, encodeId=b1c7186990eaa, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Tue Sep 05 08:34:00 CST 2017, time=2017-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982248, encodeId=29701982248c1, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Fri Dec 15 01:34:00 CST 2017, time=2017-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1960166, encodeId=ba8219601661c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, 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=Tue Mar 13 21:34:00 CST 2018, time=2018-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1500105, encodeId=cc77150010501, content=<a href='/topic/show?id=9e6866216d7' target=_blank style='color:#2F92EE;'>#清华#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66216, encryptionId=9e6866216d7, topicName=清华)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=10f29422809, createdName=医生2397, createdTime=Sun Apr 23 01:34:00 CST 2017, time=2017-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189383, encodeId=b3a618938308, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=424a1684197, createdName=摩天轮, createdTime=Fri Apr 21 14:56:37 CST 2017, time=2017-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189369, encodeId=0b5318936916, content=学习了,收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLB2lWFzjaQjxC33RfYGdWpDovtkkdhzWmm9c4lRfGccXhIurkRaLuS5VBHDGBbAOTm2bWazV6x9wg/0, createdBy=342e1692193, createdName=Arthur M, createdTime=Fri Apr 21 12:40:41 CST 2017, time=2017-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189334, encodeId=8729189334ed, content=自噬机制很热门, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Fri Apr 21 10:44:09 CST 2017, time=2017-04-21, status=1, ipAttribution=)]
    2017-04-21 1ddf0692m34(暂无匿称)

    自噬机制很热门

    0

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