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相关概念视频

Cerebrospinal Fluid01:21

Cerebrospinal Fluid

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Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
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Overview
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A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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相关实验视频

Updated: Sep 11, 2025

A High Throughput, Multiplexed and Targeted Proteomic CSF Assay to Quantify Neurodegenerative Biomarkers and Apolipoprotein E Isoforms Status
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光线大脑血管蛋白质学

Sophia M Shi1,2,3,4, Carolyn R Bertozzi1,2,5, Tony Wyss-Coray2,3,4,6

  • 1Department of Chemistry, Stanford University, Stanford, CA, USA.

Bio-protocol
|August 13, 2025
PubMed
概括

研究人员开发了一种新的体内蛋白质组方法来绘制大脑的地图.

关键词:
衰老的衰老 衰老的衰老血脑屏障 血脑屏障 血脑屏障 血脑屏障大脑内皮细胞是脑内皮细胞.在CNS中,CNS是CNS.发光器的光线是可以发光的.神经退行发生神经退行.蛋白质组学是指蛋白质组学.血管系统 血管系统

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科学领域:

  • 神经科学是一个神经科学.
  • 蛋白质组学是指蛋白质组学.
  • 细胞生物学 细胞生物学

背景情况:

  • 大脑内皮细胞形成血脑屏障,对中枢神经系统 (CNS) 恒温至关重要.
  • 独特的光和非光膜组合介导大脑血管功能.
  • 目前的蛋白质组学方法缺乏空间分辨率来区分这些膜区.

研究的目的:

  • 开发一种高分辨率的体内蛋白质学策略,用于绘制光线大脑血管表面的概况.
  • 克服现有技术在膜间隔区分方面的局限性.

主要方法:

  • 在体内 perfusion 膜无透生物化试剂,以标记光表面蛋白.
  • 微血管隔离和基于斯特雷普塔维丁的生物化蛋白质的丰富.
  • 下游质谱 (LC-MS/MS) 用于蛋白质的识别.

主要成果:

  • 成功识别了超过1000个光局部化的蛋白质.
  • 与传统方法相比,实现了对正规光标记物的显著改进.
  • 产生了光线大脑血管蛋白质组的隔间解析图谱.

结论:

  • 开发的方法提供了一个高可靠性,空间分辨率的光线大脑血管蛋白质组的地图.
  • 提供了一个可扩展的平台,用于研究内皮表面生物学在健康和疾病.
  • 能够研究与衰老相关的变化,并确定治疗点.