Transfer of nuclear and ribosomal material from Sox10-lineage cells to neurons in the mouse brain.

Transfer of nuclear and ribosomal material from Sox10-lineage cells to neurons in the mouse brain.
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将核和核糖体物质从Sox10系细胞转移到小鼠大脑中的神经元。

DOI:
10.1084/jem.20221632
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发表时间:
2023-07-03
期刊:
The Journal of experimental medicine
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Mayrhofer等人报道,小鼠中枢神经系统中的神经元从Sox 10谱系细胞接收核和核糖体物质。他们确定了卫星少突胶质细胞和神经元之间的核相互作用,表明少突胶质细胞在神经元活动中的作用比以前认为的更大。物质传递是细胞间通讯的重要形式,在细胞间交换信息和资源。神经元之间和从神经胶质到神经元的物质转移已被证明支持神经元的存活和活性。对健康神经系统中物质转移程度的了解是有限的。在这里,我们报告说,在小鼠中枢神经系统(CNS),神经元接受核和核糖体材料的Sox10谱系细胞(SOL)的起源。我们发现,SOL衍生的材料转移到神经元是区域依赖性的,建立在出生后的大脑成熟,并动态响应LPS诱导的神经炎症在成年小鼠大脑。我们确定了卫星少突胶质细胞-神经元对与细胞核之间的质膜完整性的损失,这表明直接的物质转移。总之,我们的研究结果提供了区域协调转移的SOL衍生的核和核糖体材料的小鼠中枢神经系统中的神经元的证据,与神经元功能的理解和调制和治疗神经系统疾病的潜在影响。
Mayrhofer et al. report that neurons in the mouse central nervous system receive nuclear and ribosomal material from Sox10-lineage cells. They identified nuclear interaction between satellite oligodendrocytes and neurons, suggesting a larger role of oligodendroglia in neuronal activity than previously thought. Material transfer is an essential form of intercellular communication to exchange information and resources between cells. Material transfer between neurons and from glia to neurons has been demonstrated to support neuronal survival and activity. Understanding the extent of material transfer in the healthy nervous system is limited. Here we report that in the mouse central nervous system (CNS), neurons receive nuclear and ribosomal material of Sox10-lineage cell (SOL) origin. We show that transfer of SOL-derived material to neurons is region dependent, establishes during postnatal brain maturation, and dynamically responds to LPS-induced neuroinflammation in the adult mouse brain. We identified satellite oligodendrocyte–neuron pairs with loss of plasma membrane integrity between nuclei, suggesting direct material transfer. Together, our findings provide evidence of regionally coordinated transfer of SOL-derived nuclear and ribosomal material to neurons in the mouse CNS, with potential implications for the understanding and modulation of neuronal function and treatment of neurological disorders.
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