Self-organization of stem cells into embryos: A window on early mammalian development.

Self-organization of stem cells into embryos: A window on early mammalian development.
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DOI:
10.1126/science.aax0164
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发表时间:
2019-06-07
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Zernicka-Goetz M
Zernicka-Goetz M
中科院分区:
其他
文献类型:
--
作者:
Shahbazi MN;Siggia ED;Zernicka-Goetz M

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胚胎发育是由不同组织规模的强大而复杂的调节机制协调的。由于胚胎体积小,难以接近,体内研究对植入后的哺乳动物特别具有挑战性。胚胎干细胞模型的产生代表了一个强大的系统,可以用来剖析这种复杂性。几何形状的控制、物理环境的调节和化学信号的引发揭示了胚胎干细胞形成图案的内在能力。添加胚胎外谱系的干细胞可以生成三维模型,这些模型更独立于环境,并重现了植入前和植入后小鼠胚胎的许多特征,包括原肠胚形成。在这里,我们回顾了自组织的原理以及它们如何使细胞运动以创造胚胎。
Embryonic development is orchestrated by robust and complex regulatory mechanisms acting at different scales of organization. In vivo studies are particularly challenging for mammals after implantation, owing to the small size and inaccessibility of the embryo. The generation of stem cell models of the embryo represents a powerful system with which to dissect this complexity. Control of geometry, modulation of the physical environment, and priming with chemical signals reveal the intrinsic capacity of embryonic stem cells to make patterns. Adding the stem cells for the extraembryonic lineages generates three-dimensional models that are more autonomous from the environment and recapitulate many features of the pre- and postimplantation mouse embryo, including gastrulation. Here, we review the principles of self-organization and how they set cells in motion to create an embryo.
DOI: 10.1038/336772a0
发表时间: 1988-12-22
期刊: NATURE
影响因子: 64.8
作者:
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