Single-Cell RNA-Seq Reveals Hypothalamic Cell Diversity.

Single-Cell RNA-Seq Reveals Hypothalamic Cell Diversity.
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单细胞RNA-Seq揭示了下丘脑细胞的多样性。

DOI:
10.1016/j.celrep.2017.03.004
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发表时间:
2017-03-28
期刊:
影响因子:
8.8
通讯作者:
Zhang Y
Zhang Y
中科院分区:
生物学1区
文献类型:
--
作者:
Chen R;Wu X;Jiang L;Zhang Y

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下丘脑是参与稳态调节的最复杂的脑结构之一。确定细胞组成和确定细胞类型特异性转录特征的下丘脑是了解其功能和相关疾病的必要条件。在这里,我们报告了成年小鼠下丘脑的单细胞RNA测序结果,该结果定义了11个非神经元和34个具有不同转录特征的神经元细胞簇。细胞类型特异性转录组的分析揭示了少突胶质细胞分化和伸长细胞亚型的基因表达动态。此外,数据分析提供了跨下丘脑神经元亚型的神经肽表达的全面视图,并揭示了特定下丘脑亚区中的Crabp 1+和Pax 6+神经元群体。此外,我们发现,食物剥夺表现出不同的神经元亚型之间的转录影响,表明不同的神经元亚型的功能规范。因此,这项工作提供了一个全面的成人下丘脑转录的角度来看,这是一个有价值的资源解剖细胞类型的特定功能,这个复杂的大脑区域。Chen等人对成年小鼠下丘脑进行了单细胞RNA测序分析,以探测这个复杂大脑区域丰富的细胞多样性。他们还确定了对食物剥夺的神经元亚型特异性转录反应。
The hypothalamus is one of the most complex brain structures involved in homeostatic regulation. Defining cell composition and identifying cell-type-specific transcriptional features of the hypothalamus is essential for understanding its functions and related disorders. Here, we report single-cell RNA sequencing results of adult mouse hypothalamus, which defines 11 non-neuronal and 34 neuronal cell clusters with distinct transcriptional signatures. Analyses of cell-type-specific transcriptomes reveal gene expression dynamics underlying oligodendrocyte differentiation and tanycyte subtypes. Additionally, data analysis provides a comprehensive view of neuropeptide expression across hypothalamic neuronal subtypes and uncover Crabp1+ and Pax6+ neuronal populations in specific hypothalamic subregions. Furthermore, we found food deprivation exhibited differential transcriptional effects among the different neuronal subtypes, suggesting functional specification of various neuronal subtypes. Thus, the work provides a comprehensive transcriptional perspective of adult hypothalamus, which serves as a valuable resource for dissecting cell-type-specific functions of this complex brain region. Chen et al. perform single-cell RNA sequencing analysis of the adult mouse hypothalamus to probe the rich cell diversity of this complex brain region. They also identify neuronal subtype-specific transcriptional responses to food deprivation.
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