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相关概念视频

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This protocol describes the cell culturing of human midbrain dopaminergic neurons, followed by immunological staining and the generation of neuronal phenotypic profiles from acquired microscopic high-content images allowing the identification of phenotypic variations due to genetic or chemical...
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In Parkinson's Disease (PD), Substantia Nigra (SNc) dopaminergic neurons degenerate, leading to motor dysfunction. Here we report a protocol for culturing ventral midbrain neurons from a mouse expressing eGFP driven by a Tyrosine Hydroxylase (TH) promoter sequence, harvesting individual fluorescent neurons from the cultures, and measuring their transcriptome using...
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The causes of degeneration of midbrain dopaminergic neurons during Parkinson’s disease are not fully understood. Cellular culture systems provide an essential tool for study of the neurophysiological properties of these neurons. Here we present an optimized protocol, which can be utilized for in vitro modeling of...
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This protocol describes two different environmental manipulations and a concurrent brain infusion protocol to study environmentally-induced brain changes underlying adaptive behavior and brain repair in adult...
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Dopamine is distinctly regulated in the midbrain nuclei, which contain the cell bodies and dendrites of the dopamine neurons. Here we describe a dissection and sample-handling approach to maximize results, and thus conclusions and insights, on dopamine regulation in the midbrain nuclei of the substantia nigra (SN) and ventral tegmental area (VTA) in...
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Updated: Jan 8, 2026

Environmental Modulations of the Number of Midbrain Dopamine Neurons in Adult Mice
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细胞记忆和基因素代码的细胞记忆.

Bryan M Turner1

  • 1Chromatin and Gene Expression Group, Anatomy Department, University of Birmingham Medical School, Birmingham B15 2TT, United Kingdom.

Cell
|November 7, 2002
PubMed
概括
此摘要是机器生成的。

基因组蛋白修饰作为一种控制基因表达的代码. 新的研究揭示了这些修改如何相互作用,并在DNA复制过程中保持.

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科学领域:

  • 生物化学 生物化学
  • 分子生物学分子生物学
  • 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.

背景情况:

  • 基质子尾是酶催化修饰的关键目标.
  • 这些修改可以单独或组合发生,影响基因表达模式.

研究的目的:

  • 为了探索组合性质的基因组修饰.
  • 了解 histone 修饰是如何建立和维持的.

主要方法:

  • 对激素尾巴上的酶催化修饰的分析.
  • 研究基因组修饰之间的残留水平相互作用.
  • 研究对新组装的染色质进行修改的延续.

主要成果:

  • 一个残留物的修改可以影响其他残留物,甚至在不同的基因组上.
  • 特定的基因组位置修改可以在染色体组装过程中被遗传.

结论:

  • 基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因.
  • 修改和维护之间的相互作用是表观遗传的关键.