Seq'ing the origins of cells in the developing spinal cord.

Seq'ing the origins of cells in the developing spinal cord.
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DOI:
10.1016/j.jbc.2022.102602
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发表时间:
2022-11
影响因子:
4.8
通讯作者:
Talmage, David A.
Talmage, David A.
中科院分区:
生物学2区
文献类型:
--
作者:
Rajebhosale, Prithviraj;Talmage, David A.

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在发育中的中枢神经系统中,神经发生先于胶质细胞发生;然而,何时以及如何将祖细胞指定为神经元与胶质细胞的命运以及该过程的时间调节尚不清楚。发育中的脊髓中的运动神经元祖细胞结构域内的祖细胞依次产生胆碱能运动神经元和少突胶质细胞谱系的细胞。在最近的一项研究中,Xing et al.使用单细胞RNA-seq来鉴定斑马鱼中这些祖细胞的先前未知的异质性,并描绘这些祖细胞的不同池所采取的轨迹。这些数据有助于整合现有的证据,并为关于同一空间域中的神经祖细胞群体如何致力于不同命运的新假设提供信息。
In the developing central nervous system, neurogenesis precedes gliogenesis; however, when and how progenitors are specified for a neuronal versus glial fate and the temporal regulation of this process is unclear. Progenitors within the motor neuron progenitor domain in the developing spinal cord give rise to cholinergic motor neurons and cells of the oligodendroglial lineage sequentially. In a recent study, Xing et al. used single cell RNA-seq to identify previously unknown heterogeneity of these progenitors in zebrafish and to delineate the trajectories that distinct pools of these progenitors take. These data help integrate existing evidence and inform new hypotheses regarding how populations of neural progenitors in the same spatial domain commit to distinct fates.
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