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相关概念视频

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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相关实验视频

Updated: Feb 28, 2026

Preparation of Acute Human Hippocampal Slices for Electrophysiological Recordings
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解读人类大脑中的发性和活动依赖的基因程序.

Qianyu Lin, Chris Kang, Andre M Xavier

    bioRxiv : the preprint server for biology
    |February 27, 2026
    PubMed
    概括

    药物耐药性 (DRE) 中的慢性神经元过活性会在人类神经元中触发特定的基因程序. 一些基因变化反映了高度活动,而另一些则表明DRE中的神经元脆弱性和炎症.

    科学领域:

    • 神经科学是一个神经科学.
    • 基因组学就是基因组学.
    • 分子生物学分子生物学

    背景情况:

    • 高度的神经元活动对大脑功能至关重要,并与诸如耐药性 (DRE) 等神经系统疾病有关.
    • 了解人类大脑中活动诱导的转录程序至关重要,但不太了解.
    • 动物模型显示了明确的反应,但人类细胞特异性和DRE中的病理相关性尚不清楚.

    研究的目的:

    • 在DRE的背景下,研究人类大脑中的活动依赖基因表达.
    • 为了识别由发性微环境诱导的细胞类型特定的转录程序.
    • 为了区分DRE中对高活动的保守反应与疾病特异性计划的区别.

    主要方法:

    • 单核和空间转录组学的应用.
    • 来自DRE (发性,非发性和急性刺激) 个体的人类皮质组织的分析.
    • 对26种不同的细胞类型进行分析,以评估基因表达模式.

    主要成果:

    • 在特定的皮层中,Glutamatergic神经元对发性微环境表现出敏感性,对即时早期的基因,突触重塑和细胞应激程序进行上调.
    • 大约三分之一的相关的基因表达变化也是由急性神经元刺激引起的,这表明保留活动反应.
    • 脑皮层中的神经元可能表现出对持续的能量需求的代谢适应能力受损,而不是那些对急性刺激做出反应的神经元.

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    Multi-electrode Array Recordings of Human Epileptic Postoperative Cortical Tissue

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    Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays
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    Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays

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    相关实验视频

    Last Updated: Feb 28, 2026

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    Multi-electrode Array Recordings of Human Epileptic Postoperative Cortical Tissue
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    Multi-electrode Array Recordings of Human Epileptic Postoperative Cortical Tissue

    Published on: October 26, 2014

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    Recording and Modulation of Epileptiform Activity in Rodent Brain Slices Coupled to Microelectrode Arrays
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  • 微质细胞和循环单细胞显示免疫激活,表明骨髓驱动的炎症在DRE.扩展到大脑之外.

    • 结论:

    • 照亮了依赖于人类活动的基因程序,揭示了细胞类型对神经元过活性的特定反应.
    • 这些发现突显了DRE.在发性微环境中的神经元脆弱性和炎症特征.
    • DRE中的一部分基因表达变化反映了对神经元活动的保留反应,而不仅仅是疾病特异性机制.