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NAT MET:科学家制造出含有三千多个人类细胞系的集合

2013-09-11 koo 生物360

日前,一项刊登在《自然-方法》杂志的研究介绍了一个含有3000个人类细胞系的细胞集合,其中每个细胞系中都有一个基因发生一种突变。这个不断扩充的细胞集合将为人体细胞生理过程比如传导、代谢、分泌和转录等的功能性研究提供充足的样本来源。 【原文下载】在模式生物中,单个基因被敲除的细胞株的集合对研究基因功能具有很大帮助。但是,科学家迫切希望能够在人体实验系统中进行这样的研究特别是那些与疾病有关的基因研究。


日前,一项刊登在《自然-方法》杂志的研究介绍了一个含有3000个人类细胞系的细胞集合,其中每个细胞系中都有一个基因发生一种突变。这个不断扩充的细胞集合将为人体细胞生理过程比如传导、代谢、分泌和转录等的功能性研究提供充足的样本来源。 【原文下载】

在模式生物中,单个基因被敲除的细胞株的集合对研究基因功能具有很大帮助。但是,科学家迫切希望能够在人体实验系统中进行这样的研究特别是那些与疾病有关的基因研究。

为了满足这种需求,Sebastian Nijman 等人在报告中介绍了一个人体细胞集合,在该集合中各个细胞在遗传方面基本相同。该集合是在之前已有的一个细胞系上建立的,该细胞系中绝大多数基因组只有一份拷贝而不是通常人类体细胞拥有的两份拷贝。这使得系统地让每个基因发生突变的原本耗时的任务变得更容易了。研究人员使用标准方法让3396个基因发生了突变,数量占人类可表达基因组的三分之一。

原文下载
Tilmann Bürckstümmer, Carina Banning, Philipp Hainzl, Richard Schobesberger, Claudia Kerzendorfer, Florian M Pauler, Doris Chen, Nicole Them, Fiorella Schischlik, Manuele Rebsamen, Michal Smida, Ferran Fece de la Cruz, Ana Lapao, Melissa Liszt, Benjamin Eizinger, Philipp M Guenzl, Vincent A Blomen, Tomasz Konopka, Bianca Gapp, Katja Parapatics, Barbara Maier, Johannes Stöckl, Wolfgang Fischl, Sejla Salic, M Rita Taba Casari, Sylvia Knapp, Keiryn L Bennett, Christoph Bock, Jacques Colinge, Robert Kralovics, Gustav Ammerer, Georg Casari, Thijn R Brummelkamp, Giulio Superti-Furga&Sebastian M B Nijman. A reversible gene trap collection empowers haploid genetics in human cells. Nature Methods, 25 August 2013; doi:10.1038/nmeth.2609

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    2014-07-11 一闲
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    2013-12-23 liye789132251
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