Reconstruction of the mouse otocyst and early neuroblast lineage at single-cell resolution.

Reconstruction of the mouse otocyst and early neuroblast lineage at single-cell resolution.
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DOI:
10.1016/j.cell.2014.03.036
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发表时间:
2014-05-08
期刊:
影响因子:
64.5
通讯作者:
Heller S
Heller S
中科院分区:
生物学1区
文献类型:
--
作者:
Durruthy-Durruthy R;Gottlieb A;Hartman BH;Waldhaus J;Laske RD;Altman R;Heller S

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The otocyst harbors progenitors for most cell types of the mature inner ear. Developmental lineage analysis and gene expression studies suggest that distinct progenitor populations are compartmentalized to discrete axial domains in the early otocyst. Here, we conducted highly parallel quantitative RT-PCR reactions on 382 individual cells from the developing otocyst and neuroblast lineages to assay 96 genes representing established otic markers, signaling pathway associated transcripts, and novel otic-specific genes. By applying multivariate cluster, principal component and network analyses to the data matrix, we were able to readily distinguish the delaminating neuroblasts, and to describe progressive states of gene expression in this population at single cell resolution. It further established a three-dimensional model of the otocyst where each individual cell can be precisely mapped into spatial expression domains. Our bioinformatic modeling revealed spatial dynamics of different signaling pathways active during early neuroblast development and prosensory domain specification.
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