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相关概念视频

Cell Specific Gene Expression01:58

Cell Specific Gene Expression

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Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
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CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

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Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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Investigating Drivers of Antireward in Addiction Behavior with Anatomically Specific Single-Cell Gene Expression Methods
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酒精诱导度依赖的转录基因变化在寡细胞.

Sam A Bazzi1, Cole Maguire1, R Dayne Mayfield2

  • 1Department of Neurology, Dell Medical School, The University of Texas at Austin, Austin, TX, USA.

bioRxiv : the preprint server for biology
|October 4, 2023
PubMed
概括

酒精会以剂量依赖的方式影响寡类细胞基因表达. 中度和高度的酒精度改变了对髓产生和中枢神经系统功能至关重要的途径.

科学领域:

  • 神经科学是一个神经科学.
  • 细胞生物学 细胞生物学
  • 毒理学 毒理学 毒理学

背景情况:

  • 氧基细胞对于中枢神经系统 (CNS) 中髓层的形成至关重要.
  • 众所周知,饮酒会对中枢神经系统的白质和寡细胞产生负面影响.
  • 之前的研究在很大程度上忽视了不同度的酒精对寡细胞的影响.

研究的目的:

  • 为了研究暴露于不同酒精度的成熟寡类细胞中的转录组变化.
  • 为了确定酒精剂量是否影响细胞反应和基因表达模式.

主要方法:

  • 培养的C57BL6/J成熟寡类细胞暴露在中度和高度的酒精中.
  • 进行了转录组分析,以评估基因表达变化.

主要成果:

  • 高度的酒精诱导了与髓化,蛋白转化,整合素信号传递,细胞循环调节和炎症相关的途径中的显著基因表达变化.
  • 在中度和高度酒精度之间,基因表达特征明显不同,这表明度依赖的效应.
  • 酒精诱导的基细胞的转录组变化依赖于度,并影响髓的产生.

结论:

  • 酒精诱导的基细胞的转录组变化依赖于度,影响髓的产生.

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  • 调节细胞循环调节,整合素信号传递,炎症或蛋白质翻译等途径可能为髓障碍提供治疗点.
  • 了解酒精对脱髓化和复髓化的影响,可能有助于设计新型复髓化药物.