Transcriptome Analyses Reveal Systematic Molecular Pathology After Optic Nerve Crush.

Transcriptome Analyses Reveal Systematic Molecular Pathology After Optic Nerve Crush.
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转录组分析揭示视神经挤压后的系统分子病理学。

DOI:
10.3389/fncel.2021.800154
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发表时间:
2021
影响因子:
5.3
通讯作者:
Feng DF
Feng DF
中科院分区:
医学2区
文献类型:
--
作者:
Pan YB;Sun Y;Li HJ;Zhou LY;Zhang J;Feng DF

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近年来,胶质细胞在损伤后轴突再生中的功能一直是争议的主题。因此,迫切需要更深入地了解神经胶质细胞。许多关于神经胶质细胞的研究已经阐明了某些基因或细胞类型在轴突再生中的作用机制。然而,操纵单个变量的研究可能会忽略其他变化。在这里,我们进行了一系列全面的转录组分析的视神经头90天后,视神经挤压(ONC),显示系统的视神经头(ONH)的分子变化。此外,使用加权基因共表达网络分析(WGCNA),我们建立了对应于ONC后不同时间的各种病理事件的基因模块程序,并发现了可能成为潜在治疗靶点的枢纽基因。此外,我们分析了不同胶质细胞的变化,基于其亚型标记。结果表明,不同胶质细胞的转化趋势具有时间依赖性,这为进一步研究胶质细胞功能调控提供了线索。
The function of glial cells in axonal regeneration after injury has been the subject of controversy in recent years. Thus, deeper insight into glial cells is urgently needed. Many studies on glial cells have elucidated the mechanisms of a certain gene or cell type in axon regeneration. However, studies that manipulate a single variable may overlook other changes. Here, we performed a series of comprehensive transcriptome analyses of the optic nerve head over a period of 90 days after optic nerve crush (ONC), showing systematic molecular changes in the optic nerve head (ONH). Furthermore, using weighted gene coexpression network analysis (WGCNA), we established gene module programs corresponding to various pathological events at different times post-ONC and found hub genes that may be potential therapeutic targets. In addition, we analyzed the changes in different glial cells based on their subtype markers. We revealed that the transition trend of different glial cells depended on the time course, which provides clues for modulating glial function in further research.
WGCNA:用于加权相关网络分析的 R 包。
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