西雅图视觉与眼科研究协会2016年年会:日本科学家首次让盲人重见光明

2016-05-11 佚名 煎蛋网

日本科学家说他们已经成功完成了世界上首例在人体上从皮肤到眼睛的干细胞移植:来自于患者皮肤的干细胞被移植到她的眼睛上,部分恢复了她失去的视力。这位70岁的女性患者被诊断为老年性黄斑变性,这是老年人视力障碍的首要原因。她在2014年开始接受预备实验。现在,移植两年之后,科学家们公布了结果。研究者们从她的手臂上取了一小块皮肤(直径4毫米),然后修改了它的干细胞,有效地将它们重新改编为诱导多能干细胞(iP

日本科学家说他们已经成功完成了世界上首例在人体上从皮肤到眼睛的干细胞移植:来自于患者皮肤的干细胞被移植到她的眼睛上,部分恢复了她失去的视力。

这位70岁的女性患者被诊断为老年性黄斑变性,这是老年人视力障碍的首要原因。她在2014年开始接受预备实验。现在,移植两年之后,科学家们公布了结果。

研究者们从她的手臂上取了一小块皮肤(直径4毫米),然后修改了它的干细胞,有效地将它们重新改编为诱导多能干细胞(iPSC)。多能干细胞可以几乎长成身体里的任何组织,因此取自手臂的皮肤干细胞可以变为视网膜组织。

一旦干细胞被诱导成为视网膜色素上皮细胞(RPE),它们就在实验室里被培育成为超薄的薄片状,然后被移植到患者的视网膜后面。  

来自日本理化研究所生物中心的项目首席研究者Masayo Takahashi在2014年说:“我很高兴移植手术没有任何并发症。但是这是在再生医疗领域使用iPSC的第一步。我已经下定决心将要继续推进,直到这项治疗可以普及到更多病人身上。”  

虽然这项实验性的手术还处在早期发展阶段,但是目前看来前景大好。 

为了监视患者的进程和测量干细胞的持续性,研究团队一直到现在才公布结果。他们宣布移植的干细胞已经超过一年没有发生任何不良反应,已经轻微改善了患者的视力。 

团队在他们的声明中说:“移植的RPE已经一年半的时间里没有造成任何免疫排斥,也没有任何不良增殖,这达到了预备实验的主要目的。” 

患者告诉记者:“我很高兴接受治疗。我感觉我的视力更明亮了,也更宽了。” 

虽然还没有完全恢复患者的视力,但是研究已经展示了使用诱导功能性干细胞的不俗进展——科学家们认为它们可以用来治疗大量疾病,比如帕金森氏症和奥尔茨海默症。

他们将研究在西雅图视觉与眼科研究协会2016年年会上做了报告。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1800981, encodeId=cb7018009816b, content=<a href='/topic/show?id=e8c8e337416' target=_blank style='color:#2F92EE;'>#研究协会#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73374, encryptionId=e8c8e337416, topicName=研究协会)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Mon Feb 20 04:28:00 CST 2017, time=2017-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1775021, encodeId=6d081e7502194, content=<a href='/topic/show?id=5e9a6094488' target=_blank style='color:#2F92EE;'>#本科#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60944, encryptionId=5e9a6094488, topicName=本科)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=df2b38746341, createdName=wushaoling, createdTime=Fri Apr 14 07:28:00 CST 2017, time=2017-04-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=126747, encodeId=5927126e4738, content=文章不错,值得拜读, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Wed Sep 14 14:52:00 CST 2016, time=2016-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1717452, encodeId=cd2c1e174529c, content=<a href='/topic/show?id=29ffe24064c' target=_blank style='color:#2F92EE;'>#盲人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=72406, encryptionId=29ffe24064c, topicName=盲人)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bf2532414379, createdName=anminleiryan, createdTime=Thu Nov 03 11:28:00 CST 2016, time=2016-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1294241, encodeId=cba6129424174, content=<a href='/topic/show?id=ca6e592189b' target=_blank style='color:#2F92EE;'>#日本#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59218, encryptionId=ca6e592189b, topicName=日本)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f634250, createdName=chentianping, createdTime=Fri May 13 02:28:00 CST 2016, time=2016-05-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481059, encodeId=bec6148105952, content=<a href='/topic/show?id=c592908329c' target=_blank style='color:#2F92EE;'>#视觉#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90832, encryptionId=c592908329c, topicName=视觉)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=adcf7732830, createdName=zywlvao, createdTime=Fri May 13 02:28:00 CST 2016, time=2016-05-13, status=1, ipAttribution=)]
    2017-04-14 wushaoling
  3. [GetPortalCommentsPageByObjectIdResponse(id=1800981, encodeId=cb7018009816b, content=<a href='/topic/show?id=e8c8e337416' target=_blank style='color:#2F92EE;'>#研究协会#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73374, encryptionId=e8c8e337416, topicName=研究协会)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Mon Feb 20 04:28:00 CST 2017, time=2017-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1775021, encodeId=6d081e7502194, content=<a href='/topic/show?id=5e9a6094488' target=_blank style='color:#2F92EE;'>#本科#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60944, encryptionId=5e9a6094488, topicName=本科)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=df2b38746341, createdName=wushaoling, createdTime=Fri Apr 14 07:28:00 CST 2017, time=2017-04-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=126747, encodeId=5927126e4738, content=文章不错,值得拜读, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Wed Sep 14 14:52:00 CST 2016, time=2016-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1717452, encodeId=cd2c1e174529c, content=<a href='/topic/show?id=29ffe24064c' target=_blank style='color:#2F92EE;'>#盲人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=72406, encryptionId=29ffe24064c, topicName=盲人)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bf2532414379, createdName=anminleiryan, createdTime=Thu Nov 03 11:28:00 CST 2016, time=2016-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1294241, encodeId=cba6129424174, content=<a href='/topic/show?id=ca6e592189b' target=_blank style='color:#2F92EE;'>#日本#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59218, encryptionId=ca6e592189b, topicName=日本)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f634250, createdName=chentianping, createdTime=Fri May 13 02:28:00 CST 2016, time=2016-05-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1481059, encodeId=bec6148105952, content=<a href='/topic/show?id=c592908329c' target=_blank style='color:#2F92EE;'>#视觉#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90832, encryptionId=c592908329c, topicName=视觉)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=adcf7732830, createdName=zywlvao, createdTime=Fri May 13 02:28:00 CST 2016, time=2016-05-13, status=1, ipAttribution=)]
    2016-09-14 1e10c84am36(暂无匿称)

    文章不错,值得拜读

    0

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    2016-05-13 zywlvao

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