Transcriptional dynamics of delaminating neuroblasts in the mouse otic vesicle.

Transcriptional dynamics of delaminating neuroblasts in the mouse otic vesicle.
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DOI:
10.1016/j.celrep.2023.112545
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发表时间:
2023-06-27
期刊:
影响因子:
8.8
通讯作者:
Heller S
Heller S
中科院分区:
生物学1区
文献类型:
--
作者:
Matern MS;Durruthy-Durruthy R;Birol O;Darmanis S;Scheibinger M;Groves AK;Heller S

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近年来,大量研究表明耳蜗前庭神经节(CVG)神经元对噪声损伤和成年耳蜗老化的敏感性,导致听力障碍。进一步了解有助于CVG发育的转录级联反应,可能会深入了解这些细胞如何再生以治疗内耳功能障碍。在这里,我们进行了一个高深度的单细胞RNA测序分析E10.5耳囊及其周围组织,包括CVG前体神经母细胞和新兴的CVG神经元。对耳系细胞的聚类和轨迹分析揭示了耳标志物和从成神经细胞分层到CVG发展过程中发生的基因表达变化。该数据集提供了一个有价值的资源,用于进一步确定与耳泡内神经感觉感受态细胞的CVG发展相关的机制。Matern等人提供了E10.5耳囊泡、成神经细胞和早期耳神经元单细胞谱的经验证资源。成神经细胞阶段由早期神经元和增殖基因定义。整合已发表的耳谱系数据,从括号时间点表明成神经细胞分层作为一个动态过程。
An abundance of research has recently highlighted the susceptibility of cochleovestibular ganglion (CVG) neurons to noise damage and aging in the adult cochlea, resulting in hearing deficits. Furthering our understanding of the transcriptional cascades that contribute to CVG development may provide insight into how these cells can be regenerated to treat inner ear dysfunction. Here we perform a high-depth single-cell RNA sequencing analysis of the E10.5 otic vesicle and its surrounding tissues, including CVG precursor neuroblasts and emerging CVG neurons. Clustering and trajectory analysis of otic-lineage cells reveals otic markers and the changes in gene expression that occur from neuroblast delamination toward the development of the CVG. This dataset provides a valuable resource for further identifying the mechanisms associated with CVG development from neurosensory competent cells within the otic vesicle. Matern et al. provide a validated resource of E10.5 otic vesicle, neuroblast, and early otic neuron single-cell profiles. The neuroblast stage is defined by early neuronal and proliferative genes. Integrating published otic-lineage data from bracketing time points indicates neuroblast delamination as a dynamic process.
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