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韩春雨撤回《自然》子刊论文 学者认为撤稿已表明科学界态度

2017-08-04 07:09:55   央广网

央广网北京8月4日消息(记者周益帆)据中国之声《新闻纵横》报道,2015年6月3号,河北科技大学副教授韩春雨及其团队投稿的论文被全球著名学术刊物《自然》的子刊《自然-生物技术》杂志收到,2016年5月发表,论文称,报告发明了一种新的基因编辑技术NgAgo。但随后,中国以及国外都有学者公开表示无法重复论文中描述的实验,这项研究成果遭到多方质疑。

在被科学界同行集体公开质疑一年多后,韩春雨及其团队所作出的基因编辑论文成果,昨天从《自然-生物技术》撤稿。同时,《自然-生物技术》发表文章,表示判定韩春雨及同事提供的最新数据不足以反驳大量与其初始发现相悖的证据。撤稿是否意味着尘埃落定?

一年前,河北科技大学副教授韩春雨接受中国之声采访时说,科学的事用科学证明。

韩春雨:不能证明,那迟早就是不能被证明,如果不能证明,我很早就可以去撤稿。我为什么一直坚持?

一年后,他和论文的其他作者,没能再次证明自己的研究成果,这篇2016年5月在全球著名学术刊物《自然》的子刊《自然-生物技术》杂志上发布的《利用NgAgo进行DNA引导的基因组编辑》,于北京时间昨天被撤稿。

韩春雨的研究,发明了一种新的基因编辑技术NgAgo-gDNA。与当前基因编辑领域内的主流技术相比,新技术具有不少优势。但从去年7月开始,来自澳大利亚、美国、西班牙等国的学者在社交媒体上公开发声,表示通过实验,无法获得韩春雨论文中的实验结果,随后,多位中国学者也公开表示无法重复论文中描述的实验。然而,作为一个方法学文章,其中体现了整个实验过程从头到尾的步骤,这些步骤不止要证明作者结论,更应该是能够被重复的方法。

华东师范大学生命科学学院教授李大力此前接受媒体采访时说:真理有时候可能掌握在少数人手里面,不能说大家都做不出来就一定说他造假,但这么多人重复不出来,肯定有它的原因所在,大家可能都想知道,这个原因在什么地方。

面对多方质疑,韩春雨曾表示,可能是其他实验室的细胞被污染。

韩春雨:细胞污染的可能性是非常大的,而且我有一些办法能够减轻这个污染,让编辑能够显现出来,因为它对于NgAgo的影响来说,可能只有我知道。

2016年12月,韩春雨及同事,还有另外几个与杂志社联系的独立研究小组,提供了新的数据,称已经重复了NgAgo基因编辑活性。但编辑及评审人判定数据太过初级,不满足发表标准,时至今日,依然如此。

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