Stem Cell Rep:抑制DNA甲基化调控因子 让iPSC更像ESC

2016-07-07 佚名 生物谷

本文亮点: 抑制miR-29a家族表达能够提高体细胞重编程效率 DNA去甲基化是抑制miR-29a表达之后诱导产生的主要变化 CpG岛周围的甲基化受到miR-29a家族的高度调控 抑制miR-29a家族表达后获得的诱导多能干细胞在表观遗传水平上与胚胎干细胞非常接近 近日,来自美国耶鲁干细胞中心的研究人员在国际学术期刊Stem Cell

本文亮点:


  • 抑制miR-29a家族表达能够提高体细胞重编程效率
  • DNA去甲基化是抑制miR-29a表达之后诱导产生的主要变化
  • CpG岛周围的甲基化受到miR-29a家族的高度调控
  • 抑制miR-29a家族表达后获得的诱导多能干细胞在表观遗传水平上与胚胎干细胞非常接近

近日,来自美国耶鲁干细胞中心的研究人员在国际学术期刊Stem Cell Reports上发表了一项最新研究进展,他们发现一个microRNA家族在体细胞重编程过程中对DNA甲基化水平起到了重要调节作用,抑制该microRNA能够使诱导多能干细胞的DNA甲基化水平更加接近胚胎干细胞。该研究对优化诱导多能干细胞的重编程条件,获得更适于临床应用的iPSC具有重要意义。

过表达Yamanaka四因子(OCT4,SOX2,KLF4以及MYC)诱导体细胞重编程获得多能干细胞的过程还会伴随着整个基因组和表观遗传组学的变化。之前研究已经表明诱导多能干细胞的组蛋白修饰和DNA甲基化水平与胚胎干细胞高度相似,但是这两种干细胞仍然存在表观遗传学的差异。特别是诱导多能干细胞的DNA甲基化水平存在异常,这也是诱导多能干细胞在临床应用方面的一个主要顾虑。因此找出重编程过程中调节DNA甲基化水平的因子具有重要意义。

在这项研究中研究人员发现miR-29家族是人类体细胞重编程过程中一个重要的表观遗传调控因子,他们通过global DNA甲基化和羟甲基化分析发现DNA去甲基化是重编程早期抑制miR-29a表达介导的一个主要事件,抑制miR-29a之后获得的诱导多能干细胞在表观遗传水平更加接近胚胎干细胞。

总的来说,该研究揭示了miRNA在体细胞重编程获得多能干细胞过程中对表观遗传修饰的重要调控作用,为获得更适于临床应用的诱导多能干细胞提供了潜在方法。
原始出处:

Hysolli E, Tanaka Y, Su J, Kim KY, Zhong T, Janknecht R, Zhou XL, Geng L, Qiu C, Pan X, Jung YW, Cheng J, Lu J, Zhong M, Weissman SM, Park IH.Regulation of the DNA Methylation Landscape in Human Somatic Cell Reprogramming by themiR-29 Family.Stem Cell Reports. 2016 Jun 30. pii: S2213-6711(16)30069-8. doi: 10.1016/j.stemcr.2016.05.014. [Epub ahead of print]



版权声明:
本网站所有内容来源注明为“梅斯医学”或“MedSci原创”的文字、图片和音视频资料,版权均属于梅斯医学所有。非经授权,任何媒体、网站或个人不得转载,授权转载时须注明来源为“梅斯医学”。其它来源的文章系转载文章,或“梅斯号”自媒体发布的文章,仅系出于传递更多信息之目的,本站仅负责审核内容合规,其内容不代表本站立场,本站不负责内容的准确性和版权。如果存在侵权、或不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
在此留言
评论区 (7)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
    2017-02-15 维他命
  2. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
    2017-01-05 医者仁心
  3. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
  4. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
    2016-07-09 chengjn
  5. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
    2016-07-09 gjsgj
  6. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
  7. [GetPortalCommentsPageByObjectIdResponse(id=1959709, encodeId=68af1959e0985, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, 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=Wed Feb 15 18:43:00 CST 2017, time=2017-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869451, encodeId=64661869451e5, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Jan 05 00:43:00 CST 2017, time=2017-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794423, encodeId=5a1d1e9442314, content=<a href='/topic/show?id=82b416e79f5' target=_blank style='color:#2F92EE;'>#stem cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16779, encryptionId=82b416e79f5, topicName=stem cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Feb 14 20:43:00 CST 2017, time=2017-02-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377731, encodeId=23a613e7731aa, content=<a href='/topic/show?id=17b810004ce' target=_blank style='color:#2F92EE;'>#iPS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10004, encryptionId=17b810004ce, topicName=iPS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69cb413, createdName=chengjn, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404276, encodeId=248414042e6c5, content=<a href='/topic/show?id=6cfd14e93a0' target=_blank style='color:#2F92EE;'>#PSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14793, encryptionId=6cfd14e93a0, topicName=PSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59b62453284, createdName=gjsgj, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481918, encodeId=9d411481918af, content=<a href='/topic/show?id=8cc416e78f3' target=_blank style='color:#2F92EE;'>#STEM#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16778, encryptionId=8cc416e78f3, topicName=STEM)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d1067833268, createdName=12498bb3m92(暂无昵称), createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1538813, encodeId=e4b11538813fc, content=<a href='/topic/show?id=60de100065b' target=_blank style='color:#2F92EE;'>#iPSC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10006, encryptionId=60de100065b, topicName=iPSC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=37d013060412, createdName=neurosurgeon, createdTime=Sat Jul 09 01:43:00 CST 2016, time=2016-07-09, status=1, ipAttribution=)]
    2016-07-09 neurosurgeon

相关资讯

JCEM:部分2型糖尿病患者可能不能从运动锻炼中获益

研究背景: 大多数人能从运动锻炼中获益,但并非所有人,其中包括部分2型糖尿病患者。既往研究已很好地阐明运动的有益作用,但对于为何部分个体不能如愿地在运动锻炼后获得效果的问题悬而未决。所以明确那些对运动锻炼后继代谢改变反应迟钝的2型糖尿病个体,对于相应制定治疗措施和防范策略显得十分重要,同时通过研究这一现象潜在的机制,可以帮助预测这些“注定要失败”的个体。 证据来源: 我们收集了长

Cell:人类原始生殖细胞研究获重要成果

封面设计源于中国古代象征生殖的图腾——玄武,寓意哺乳动物通过有性生殖(蛇与龟)来维持完整的生命周期(圆环),而中心处的生殖细胞(红色)则在遗传信息的世代沿袭中起着非常关键的作用 人类生殖细胞系(精子、卵细胞及原始生殖细胞)、囊胚以及着床后胚胎体细胞的DNA甲基化水平示意图 父本印迹基因H19和母本印迹基因PEG3在各个发育阶段的原始生殖细胞以及体细胞中的DNA甲基化。其中每一

运动改变你我的DNA

合理运动的好处不胜枚举,它既能燃烧多余的热量,令人们的身材更加健美,也可降低心脏病、中风和糖尿病等诸多疾病的风险,但这一系列过程是如何发生的,依旧是一个未解之谜。 从结果看,运动令人更加健康是机体代谢改善的外在表现,究其内因,与控制这些代谢过程的蛋白干系颇深,因此有科学家进一步向前追溯:运动会直接影响到表达上述蛋白的基因。改变即刻发生 经由这一线索出发,越来越多的证据正在浮出水

Cell:人类原始生殖细胞研究获重要成果

封面设计源于中国古代象征生殖的图腾——玄武,寓意哺乳动物通过有性生殖(蛇与龟)来维持完整的生命周期(圆环),而中心处的生殖细胞(红色)则在遗传信息的世代沿袭中起着非常关键的作用人类生殖细胞系(精子、卵细胞及原始生殖细胞)、囊胚以及着床后胚胎体细胞的DNA甲基化水平示意图父本印迹基因H19和母本印迹基因PEG3在各个发育阶段的原始生殖细胞以及体细胞中的DNA甲基化。其中每一行连锁的圆圈代表全基因组D

Sci Rep:伙呆!女性怀孕期间的铅暴露可影响其孙子的DNA甲基化!

Scientific Reports:伙呆!女性怀孕期间的铅暴露可影响其孙子的DNA甲基化!来自韦恩州大学的研究人员发现,母亲血液中铅的含量较高,不仅可影响胎儿的细胞,还可影响胎儿日后的后代,该研究本周在线发表于Scientific Reports。众所周知,胎儿在子宫内也可暴露于低水平的铅中。女性怀孕期间暴露于铅中,则铅可经过胎盘进入胎儿的骨骼及其他器官中。即使是女性怀孕之前暴露于铅中,日后怀孕

Nature子刊:破解50年谜题:男女为何大不同?

性行为差异是在大脑发育过程中被编程,但人们却并不清楚这种情况确切是如何发生的。根据发表在3月30日《自然神经科学》(Nature Neuroscience)杂志上的一项研究,在对雄性啮齿类动物性行为至关重要的一个大脑区域——视前区(POA)中,雌性表型是DNA甲基化抑制雄性相关基因的结果。研究作者、宾夕法尼亚大学博士后研究人员Bridget Nugent说,当前对于大脑雄性化的机制知之甚少,对于大