人类基因编辑研究声明与共识,在人体中有限制使用基因编辑技术

2015-12-05 MedSci MedSci原创

美国科学院、英国皇家学会和中国科学院联合主持的人类基因编辑国际峰会,探讨了用新方法(比如CRISPR)改变人类DNA的前景和风险,尤其是引起巨大争议的卵子、精子和胚胎基因组编辑。胚胎或生殖细胞的基因工程改造,会给个体及其后代带来永久性的基因改变,被许多人视为洪水猛兽。但这样的技术能阻止遗传学疾病的传递,造福许多被病痛折磨的患者。而且完全禁止这样的研究似乎并不现实。人类基因编辑国际峰会经过三天的热烈



美国科学院、英国皇家学会和中国科学院联合主持的人类基因编辑国际峰会,探讨了用新方法(比如CRISPR)改变人类DNA的前景和风险,尤其是引起巨大争议的卵子、精子和胚胎基因组编辑。

胚胎或生殖细胞的基因工程改造,会给个体及其后代带来永久性的基因改变,被许多人视为洪水猛兽。但这样的技术能阻止遗传学疾病的传递,造福许多被病痛折磨的患者。而且完全禁止这样的研究似乎并不现实。

人类基因编辑国际峰会经过三天的热烈讨论终于达成共识,会议组委会于十二月三日发布了自己起草的声明。该声明指出,基因编辑技术不应用于准备建立妊娠的人类胚胎。推进生殖细胞基因编辑的临床使用是“不负责任的”,除非安全和效率问题得到了解决,而且相关应用得到了广泛的社会共识。

该声明并未禁止编辑胚胎或生殖细胞的基础研究,涉及人类胚胎、精子和卵子的基础研究和临床前研究应当继续前行。“我们并不希望把大门永远关上,”加州大学伯克利分校的Jennifer Doudna说。

此外,这份声明还呼吁人们谨慎地发展体细胞基因编辑的医学应用,比如校正镰状细胞病的致病基因或者提高免疫细胞靶标癌症的能力。这份声名的部分内容如下:

关于人类基因编辑:国际峰会的声明

基础和临床前研究。以下几方面需要更多的基础和临床前研究(在适当的法规、伦理准则和监督下):

(i) 编辑人类细胞基因序列的技术
(ii) 临床使用的好处与风险
(iii) 理解人类胚胎和生殖细胞的生物学机制。如果在研究过程中对早期人类胚胎或生殖细胞进行了基因编辑,那么编辑后的细胞不能用于建立妊娠。

临床使用:体细胞。体细胞的基因组不能传递给下一代。基因编辑的许多重要临床应用是针对体细胞的,比如校正镰状细胞病的致病基因或者提高免疫细胞靶标癌症的能力。我们需要理解这类基因编辑的效力和风险,例如基因编辑不准确带来的风险。体细胞基因编辑只影响接受治疗的个体,可以适用基因疗法的监管框架。

临床使用:生殖细胞。推进生殖细胞基因编辑的任何临床应用是“不负责任的”,除非安全和效率问题得到了解决,而且这种应用得到了广泛的社会共识。任何临床应用都应当在适当的监管下进行。目前基因编辑还没有达到临床应用的标准:安全问题还没有得到充分研究,基因编辑的效果还比较有限,而且许多国家已经禁止修改生殖细胞。不过随着科学研究和社会认识的发展,生殖细胞编辑的临床使用应当进行重新考量。

人类基因编辑国际峰会的工作还在继续:在未来一年中三个主办国的科学家和伦理学家将会继续探讨这次会议中提出的问题,他们计划在2016年年底发布新的共识性报告。

推荐阅读:

Doudna J. Perspective: Embryo editing needs scrutiny.Nature. 2015 Dec 2;528(7580):S6. doi: 10.1038/528S6a.

Kmietowicz Z.Experts back genome editing in human embryo research.BMJ. 2015 Sep 11;351:h4874. doi: 10.1136/bmj.h4874.

Gene-editing summit supports some research in human embryos

Embryo editing to makebabies would be 'irresponsible', says DNA summit statement

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    2015-12-27 hixiaoluo

    好文章,值得收藏

    0

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    2015-12-07 vpssa

    十分期待。

    0

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  4. [GetPortalCommentsPageByObjectIdResponse(id=48892, encodeId=03a848892a7, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:29:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=45103, encodeId=79b8451035b, content=十分期待。, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201205/e96b3d935daf4e258fba69d60175f0ab/b6d3ee4a3a414b8eafaf7c5e905937a2.jpg, createdBy=ad4b83208, createdName=vpssa, createdTime=Mon Dec 07 18:28:00 CST 2015, time=2015-12-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1630120, encodeId=757b1630120d4, content=<a href='/topic/show?id=d81a4186e3f' target=_blank style='color:#2F92EE;'>#基因编辑技术#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=41867, encryptionId=d81a4186e3f, topicName=基因编辑技术)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a10c21466636, createdName=marlenexl, createdTime=Mon Dec 07 04:12:00 CST 2015, time=2015-12-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=45008, encodeId=4ece45008c3, content=前两天为了找这基因编辑,就差没把电脑拆了!!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=133, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20151109/IMG563F820F984734123.jpg, createdBy=f0e51662019, createdName=荒唐的左, createdTime=Mon Dec 07 01:39:00 CST 2015, time=2015-12-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=44947, encodeId=734b4494ed0, content=等待中, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45cd1668661, createdName=1de07177m57(暂无匿称), createdTime=Sun Dec 06 08:12:00 CST 2015, time=2015-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=44934, encodeId=d46844934d3, content=在学校学到的理念在这里得到了验证,老师你是超棒, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=df9e1651052, createdName=三三五五, createdTime=Sat Dec 05 23:14:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=44917, encodeId=e0324491e25, content=超人很快会出现,共识不能限制所有人,尤其是疯狂者, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=96871613250, createdName=medcardio, createdTime=Sat Dec 05 20:40:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=44912, encodeId=4d5344912ab, content=必须限制, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2d331664955, createdName=老段, createdTime=Sat Dec 05 19:51:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=44865, encodeId=880b4486582, content=慢慢推进, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/04/24/1c2dbd6706e64df33befd6663f1d6b37.jpg, createdBy=94f61661779, createdName=lyh994, createdTime=Sat Dec 05 15:39:00 CST 2015, time=2015-12-05, status=1, ipAttribution=)]
    2015-12-07 荒唐的左

    前两天为了找这基因编辑,就差没把电脑拆了!!!

    0

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    2015-12-06 1de07177m57(暂无匿称)

    等待中

    0

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    2015-12-05 三三五五

    在学校学到的理念在这里得到了验证,老师你是超棒

    0

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    2015-12-05 medcardio

    超人很快会出现,共识不能限制所有人,尤其是疯狂者

    0

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    2015-12-05 老段

    必须限制

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    2015-12-05 lyh994

    慢慢推进

    0

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