CLoNe is a new method to target single progenitors and study their progeny in mouse and chick.

CLoNe is a new method to target single progenitors and study their progeny in mouse and chick.
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DOI:
10.1242/dev.105254
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发表时间:
2014-04
期刊:
Development (Cambridge, England)
影响因子:
--
通讯作者:
Molnár Z
Molnár Z
中科院分区:
其他
文献类型:
--
作者:
García-Moreno F;Vasistha NA;Begbie J;Molnár Z

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细胞谱系分析使我们能够解决以下关键问题:细胞的胚胎起源和成人体内的兄弟细胞关系;创伤或疾病后激活的祖细胞的贡献;以及在进化生物学中跨物种的比较。为了解决这些基本问题,已经开发了几种克隆标记技术,每种技术都有其缺点。在这里,我们报告了一种新颖的方法,克隆,旨在工作在所有脊椎动物物种和组织。克隆使用标记、靶向和转位载体的混合物,能够靶向祖细胞类型的特定亚群,结合荧光团产生多荧光,描述每个标本的多个克隆。此外,转位到基因组中确保了细胞标记的寿命。我们证明了该技术在小鼠和鸡前脑发育中的稳健性,并证明克隆将广泛适用于研究不同组织和物种的克隆关系。
Cell lineage analysis enables us to address pivotal questions relating to: the embryonic origin of cells and sibling cell relationships in the adult body; the contribution of progenitors activated after trauma or disease; and the comparison across species in evolutionary biology. To address such fundamental questions, several techniques for clonal labelling have been developed, each with its shortcomings. Here, we report a novel method, CLoNe that is designed to work in all vertebrate species and tissues. CLoNe uses a cocktail of labelling, targeting and transposition vectors that enables targeting of specific subpopulations of progenitor types with a combination of fluorophores resulting in multifluorescence that describes multiple clones per specimen. Furthermore, transposition into the genome ensures the longevity of cell labelling. We demonstrate the robustness of this technique in mouse and chick forebrain development, and show evidence that CLoNe will be broadly applicable to study clonal relationships in different tissues and species.
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