Dev Cell:一种蛋白质可能与不孕相关

2018-02-09 周舟 林小春 健康报网

科学家5日在美国《发展细胞》杂志上发表报告说,雌性小鼠卵子中的一种蛋白质决定了它能否生育,人类也拥有这种蛋白质,这有望为一些女性不孕找到原因。

科学家5日在美国《发展细胞》杂志上发表报告说,雌性小鼠卵子中的一种蛋白质决定了它能否生育,人类也拥有这种蛋白质,这有望为一些女性不孕找到原因。

研究人员培育了10只卵子中缺少L2蛋白的小鼠和10只正常小鼠。6个月里正常小鼠组共生育约60只鼠崽,而缺少L2蛋白的小鼠组则无法生育。缺少L2蛋白的小鼠卵子看起来正常,却无法受精。

研究人员发现,卵子中的L2蛋白负责在卵子发育的最终阶段终止脱氧核糖核酸(DNA)被转录为信使核糖核酸(mRNA),让卵子“安静地”等待受孕,这一过程被称为“全局转录沉默”。但如果缺少L2蛋白,该过程则不会被“叫停”,卵子也就无法受精并发育成胚胎。

论文作者、美国加利福尼亚大学圣迭戈分校助理教授海迪·库克-安德森说,临床中许多夫妇所有检查都显示正常,但很难找到不孕的原因,该研究提供了一条线索。“许多研究小组从细胞内基因被激活的角度看待基因调控,现在我们发现基因被关闭也同样重要。”研究团队将进一步研究确认缺少L2蛋白是否会导致人类不孕。

原始出处:

Jennifer N. Dumdie,et al.Chromatin Modification and Global Transcriptional Silencing in the Oocyte Mediated by the mRNA Decay Activator ZFP36L2.Dev Cell.Volume 44, Issue 3, p392–402.e7, 5 February 2018.

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 (6)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=1960711, encodeId=e9e71960e1146, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, 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=Fri Apr 20 01:02:00 CST 2018, time=2018-04-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870444, encodeId=000c18e04448e, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sun Sep 16 15:02:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1765701, encodeId=63321e65701e0, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Thu Dec 20 01:02:00 CST 2018, time=2018-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982275, encodeId=a1f119822e55a, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Tue May 01 09:02:00 CST 2018, time=2018-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297024, encodeId=6efa129e02492, content=<a href='/topic/show?id=158288e017c' target=_blank style='color:#2F92EE;'>#蛋白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88701, encryptionId=158288e017c, topicName=蛋白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Sun Feb 11 02:02:00 CST 2018, time=2018-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286505, encodeId=0007286505bb, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, 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 Feb 09 11:31:44 CST 2018, time=2018-02-09, status=1, ipAttribution=)]
    2018-04-20 维他命
  2. [GetPortalCommentsPageByObjectIdResponse(id=1960711, encodeId=e9e71960e1146, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, 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=Fri Apr 20 01:02:00 CST 2018, time=2018-04-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870444, encodeId=000c18e04448e, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sun Sep 16 15:02:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1765701, encodeId=63321e65701e0, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Thu Dec 20 01:02:00 CST 2018, time=2018-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982275, encodeId=a1f119822e55a, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Tue May 01 09:02:00 CST 2018, time=2018-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297024, encodeId=6efa129e02492, content=<a href='/topic/show?id=158288e017c' target=_blank style='color:#2F92EE;'>#蛋白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88701, encryptionId=158288e017c, topicName=蛋白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Sun Feb 11 02:02:00 CST 2018, time=2018-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286505, encodeId=0007286505bb, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, 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 Feb 09 11:31:44 CST 2018, time=2018-02-09, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=1960711, encodeId=e9e71960e1146, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, 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=Fri Apr 20 01:02:00 CST 2018, time=2018-04-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870444, encodeId=000c18e04448e, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sun Sep 16 15:02:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1765701, encodeId=63321e65701e0, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Thu Dec 20 01:02:00 CST 2018, time=2018-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982275, encodeId=a1f119822e55a, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Tue May 01 09:02:00 CST 2018, time=2018-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297024, encodeId=6efa129e02492, content=<a href='/topic/show?id=158288e017c' target=_blank style='color:#2F92EE;'>#蛋白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88701, encryptionId=158288e017c, topicName=蛋白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Sun Feb 11 02:02:00 CST 2018, time=2018-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286505, encodeId=0007286505bb, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, 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 Feb 09 11:31:44 CST 2018, time=2018-02-09, status=1, ipAttribution=)]
  4. [GetPortalCommentsPageByObjectIdResponse(id=1960711, encodeId=e9e71960e1146, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, 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=Fri Apr 20 01:02:00 CST 2018, time=2018-04-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870444, encodeId=000c18e04448e, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sun Sep 16 15:02:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1765701, encodeId=63321e65701e0, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Thu Dec 20 01:02:00 CST 2018, time=2018-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982275, encodeId=a1f119822e55a, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Tue May 01 09:02:00 CST 2018, time=2018-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297024, encodeId=6efa129e02492, content=<a href='/topic/show?id=158288e017c' target=_blank style='color:#2F92EE;'>#蛋白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88701, encryptionId=158288e017c, topicName=蛋白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Sun Feb 11 02:02:00 CST 2018, time=2018-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286505, encodeId=0007286505bb, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, 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 Feb 09 11:31:44 CST 2018, time=2018-02-09, status=1, ipAttribution=)]
    2018-05-01 fzwish20000
  5. [GetPortalCommentsPageByObjectIdResponse(id=1960711, encodeId=e9e71960e1146, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, 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=Fri Apr 20 01:02:00 CST 2018, time=2018-04-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870444, encodeId=000c18e04448e, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sun Sep 16 15:02:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1765701, encodeId=63321e65701e0, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Thu Dec 20 01:02:00 CST 2018, time=2018-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982275, encodeId=a1f119822e55a, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Tue May 01 09:02:00 CST 2018, time=2018-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297024, encodeId=6efa129e02492, content=<a href='/topic/show?id=158288e017c' target=_blank style='color:#2F92EE;'>#蛋白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88701, encryptionId=158288e017c, topicName=蛋白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Sun Feb 11 02:02:00 CST 2018, time=2018-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286505, encodeId=0007286505bb, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, 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 Feb 09 11:31:44 CST 2018, time=2018-02-09, status=1, ipAttribution=)]
  6. [GetPortalCommentsPageByObjectIdResponse(id=1960711, encodeId=e9e71960e1146, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, 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=Fri Apr 20 01:02:00 CST 2018, time=2018-04-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870444, encodeId=000c18e04448e, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sun Sep 16 15:02:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1765701, encodeId=63321e65701e0, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Thu Dec 20 01:02:00 CST 2018, time=2018-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982275, encodeId=a1f119822e55a, content=<a href='/topic/show?id=13b658e849' target=_blank style='color:#2F92EE;'>#Dev#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5878, encryptionId=13b658e849, topicName=Dev)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Tue May 01 09:02:00 CST 2018, time=2018-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297024, encodeId=6efa129e02492, content=<a href='/topic/show?id=158288e017c' target=_blank style='color:#2F92EE;'>#蛋白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88701, encryptionId=158288e017c, topicName=蛋白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Sun Feb 11 02:02:00 CST 2018, time=2018-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286505, encodeId=0007286505bb, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, 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 Feb 09 11:31:44 CST 2018, time=2018-02-09, status=1, ipAttribution=)]
    2018-02-09 1ddf0692m34(暂无匿称)

    学习了.涨知识

    0

相关资讯

Conversation:女性为什么会绝经?我们应该怎么办?

(图片摘自www.sciencealert.com) 对于所有女性来说,她们的身体里都存在一个正在倒计时的"生物钟"。随着年龄的增长,她们受孕的能力将会随之降低。但大部分人所不知道的是,女性一生中能够产生的卵子的数量是有限的,而且终将会停止排卵,也就是"绝经"。 当女性胎儿还在母亲的子宫中时,她们的卵子就已经开始发育了。怀孕20周时,胎儿体内正在发育的卵巢中含有将近5百万个卵子(准确的说是

Cell:利用小RNA制造完美的卵子

所有有性繁殖的多细胞生物依赖于卵子支撑早期生命。在一项新的研究中,来自美国加州大学圣地亚哥分校医学院和路德维格癌症研究所(Ludwig Institute for Cancer Research)的研究人员利用细小的秀丽隐杆线虫(Caenorhabditis elegans)作为模式生物开展研究以便更好地理解卵子如何能够发育成胚胎。他们揭示出小RNA和辅助蛋白在微调卵子发育中发挥着作用。相关

绝经母亲卵子诞生的孩子或将很快出生

逆转时间?图片来源;Moritz Küstner/Plainpicture 现在是时候逆转生物钟了。明年将会见证首位绝经后女性通过自己的卵子诞生婴儿。 今年年初,希腊雅典一家生育诊所宣称它逆转了一群患者的绝经期。该团队向女性卵巢内注入了提取自她们血液的富血小板血浆。这种方法广泛被应用于骨关节损伤,其目的是让干细胞发挥作用,不过它是否真能起作用却不清楚。 该团队

工作操劳易“伤身” 研究:值夜班或干重活伤害卵子

据外媒报道,美国一项研究发现,需要轮夜班或干重活的女性,卵子数量与质量会逊于值白班的女性。这项研究报告的撰写人指出,这是首次针对轮班工作或体力劳动如何影响女人的生育能力进行分析。

世界首例 广东医生新技术能让卵子变年轻

梁晓燕教授:这项技术可以理解为,卵细胞差一口气就可以跑到终点成功受精,线粒体的注入推了它一把。胚胎.jpg中山六院生殖中心的医生在显微注射仪下进行胚胎操作 周巍/摄胚胎质量是试管婴儿成功与否的重要原因,胚胎质量越好,成功率越高。临床上,至少有10%的患者因为胚胎质量不好,反复做试管婴儿治疗却始终不成功。她们要么是高龄产妇,卵子老化;要么是卵子质量不好,无法成功妊娠。如今,这一难题有了新突破。11月

冷冻卵子“时光宝宝”要得吗? 专家:仅适合特殊人群

冻卵真的能让卵子“青春永驻”?生出来的宝宝健康吗?卵子想冻就能冻吗……带着这一系列的疑问,我们邀请到中大医院生殖中心的袁春燕副主任医师为大家一一解答。