Nature:将对细胞系实行新审稿政策

2015-04-22 叶予 生物通

近年来人们发现,实验室里储存和使用的数百个细胞系都存在问题。举例来说,一些猪细胞被标记成了鸡细胞,一些人类细胞实际上含有仓鼠、大鼠、小鼠和猴子的生物学物质。更糟糕的是,科学家们很少会去核实细胞的真实身份,还在每天使用这些已经出了问题的细胞系。为此,Nature旗下杂志将从下个月开始要求作者们验证论文中用到的细胞系。验证细胞系过去比较麻烦也很费时间,不过这一工作已经变得越来越简单。日前,美国基因泰克

近年来人们发现,实验室里储存和使用的数百个细胞系都存在问题。举例来说,一些猪细胞被标记成了鸡细胞,一些人类细胞实际上含有仓鼠、大鼠、小鼠和猴子的生物学物质。更糟糕的是,科学家们很少会去核实细胞的真实身份,还在每天使用这些已经出了问题的细胞系。为此,Nature旗下杂志将从下个月开始要求作者们验证论文中用到的细胞系。(Nature:Genetech推出细胞系命名改革方案


验证细胞系过去比较麻烦也很费时间,不过这一工作已经变得越来越简单。日前,美国基因泰克 (Genentech) 公司开发了更快速、廉价的细胞系鉴别方法。而且人们已经建立了线上的公开数据库,列出了四百多个身份有误或者出现污染的细胞系。

为了避免科学研究因为细胞系有误得出不正确的结果,Nature旗下杂志在2013年就要求作者们注明研究中细胞的来源。然而最近一次抽样调查显示,这些杂志发表的六十篇文章中,只有10%的作者独立验证过细胞系的身份。

前不久,Nature杂志在一篇社论中公布了新的论文发表政策。从五月一日开始,Nature及其子刊将在现有政策的基础上,进一步要求作者们审查论文中使用的细胞系。作者们需要参考问题细胞系的公开列表,确信自己所用的细胞系没有上榜。

Nature期刊的这一政策对癌症相关研究将会特别严格。因为这一领域的细胞系问题已经引起了充分重视,并且已经记录在案。当然新政策也适用于其他研究领域,Nature希望将其全面落实。

值得注意的是,如果一项研究使用了错误鉴别的细胞系,并不意味着研究结果就不成立,文章也不会被自动拒稿。作者们需要做出解释,为何细胞系错误不影响结论。但如果Nature认为理由不充足,也可能会要求删除数据。

“科学家们至少应当做到,核查自己所用的细胞系是不是已经被发现了问题,”Nature在社论中强调。

Nature期刊即将实行新审稿政策

MedSci注:细胞系需要采用STR鉴定,才能确定细胞株的准确性。

原始出处:

Announcement: Time to tackle cells’ mistaken identity.Nature, April 16, 2015, 520(264); doi:10.1038/520264a

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    2016-03-10 liye789132251
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    2015-10-19 lixh1719

    早就应该这么做了

    0

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    2015-04-24 bioon3
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