Genetic programs controlling cortical interneuron fate.

Genetic programs controlling cortical interneuron fate.
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DOI:
10.1016/j.conb.2013.12.012
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发表时间:
2014-06
影响因子:
5.7
通讯作者:
Oliveira MG
Oliveira MG
中科院分区:
医学2区
文献类型:
--
作者:
Kessaris N;Magno L;Rubin AN;Oliveira MG

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皮层中间神经元起源于胚胎皮层下端脑。对祖细胞分化的时空控制产生了多样性。神经元间细胞命运规范的遗传途径。内在通路和外在线索在神经元间规范中相互作用。啮齿类动物皮层中间神经元的起源已经定位于胚胎皮层下端脑,在那里不同的神经上皮前体产生明确的中间神经元亚群。一系列旨在确定亚型身份的分子决定因素的研究活动已经发现了许多在中间神经元发育不同阶段起作用的转录因子。因此,导致获得成熟中间神经元特征的途径开始出现。由于遗传程序受到外部因素的影响,研究不仅限于遗传决定因素,还包括外部影响以及两者在细胞命运规范中的相互作用。
Cortical interneurons originate in the embryonic subcortical telencephalon. Spatial and temporal control of progenitor differentiation generates diversity. Genetic pathways of interneuron cell fate specification. Intrinsic pathways and extrinsic cues interplay in interneuron specification. The origins of cortical interneurons in rodents have been localized to the embryonic subcortical telencephalon where distinct neuroepithelial precursors generate defined interneuron subsets. A swathe of research activity aimed at identifying molecular determinants of subtype identity has uncovered a number of transcription factors that function at different stages of interneuron development. Pathways that lead to the acquisition of mature interneuron traits are therefore beginning to emerge. As genetic programs are influenced by external factors the search continues not only into genetic determinants but also extrinsic influences and the interplay between the two in cell fate specification.
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