Bioengineering the human spinal cord.

Bioengineering the human spinal cord.
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DOI:
10.3389/fcell.2022.942742
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发表时间:
2022
影响因子:
5.5
通讯作者:
--
中科院分区:
生物学2区
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--
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在胚胎发生期间重演关键发育和组织事件的三维自组装类器官已被证明对于人类中枢神经系统(CNS)发育、进化和疾病病理学的研究具有变革性。脑类器官在该领域占主导地位,但人类多能干细胞(hPSC)衍生的脊髓模型正在兴起。这就需要将指定轴向多样性的喙尾模式和建立运动和躯体感觉表型的背腹模式之间的复杂相互作用拼凑在一起。在这里,我们回顾了最近的见解神经发育生物学已经推动了脊髓类器官研究的进展,产生的实验模型,有可能加深我们的理解神经回路的发展,中央模式生成(CPG),神经退行性疾病沿着身体轴。此外,我们还讨论了生物工程策略在体外驱动脊柱组织形态发生中的应用,目前的局限性以及这些新兴模型系统的未来前景。
Three dimensional, self-assembled organoids that recapitulate key developmental and organizational events during embryogenesis have proven transformative for the study of human central nervous system (CNS) development, evolution, and disease pathology. Brain organoids have predominated the field, but human pluripotent stem cell (hPSC)-derived models of the spinal cord are on the rise. This has required piecing together the complex interactions between rostrocaudal patterning, which specifies axial diversity, and dorsoventral patterning, which establishes locomotor and somatosensory phenotypes. Here, we review how recent insights into neurodevelopmental biology have driven advancements in spinal organoid research, generating experimental models that have the potential to deepen our understanding of neural circuit development, central pattern generation (CPG), and neurodegenerative disease along the body axis. In addition, we discuss the application of bioengineering strategies to drive spinal tissue morphogenesis in vitro, current limitations, and future perspectives on these emerging model systems.
用于基础研究和翻译的基于干细胞的胚胎模型。
DOI: 10.1038/s41563-020-00829-9
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影响因子: 4.6
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通讯作者: Ribes, Vanessa C.