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相关概念视频

DNA Microarrays02:34

DNA Microarrays

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Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
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Ribosome Profiling02:24

Ribosome Profiling

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Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
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相关实验视频

Updated: Jun 25, 2025

Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
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解密空间转录组学的比较方法

Michael Sammeth1,2, Susann Mudra3, Sina Bialdiga3

  • 1Coburg University of Applied Sciences and Art, Department of Applied Sciences and Health, Coburg, Germany. micha@sammeth.net.

Methods in molecular biology (Clifton, N.J.)
|May 31, 2024
PubMed
概括
此摘要是机器生成的。

空间转录学 (ST) 分析,特别是使用10x Visium,涉及组织部分的基因表达概况. 这项研究评估了点选和参考基因组如何影响ST数据分析结果.

关键词:
10x Visium 平台的平台是 10x Visium 的平台.不同基因表达的差异性基因表达集群化 基因表达集群化在RNA-Seqq.空间转录组学 空间转录组学

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科学领域:

  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.
  • 分子生物学分子生物学

背景情况:

  • 空间转录学 (ST) 能够在组织部分进行并行RNA测序,这对于诸如单细胞测序失败的神经元测试等实验至关重要.
  • 像10x Visium这样的ST平台,从组织部分的微米尺度斑点捕获数千个RNA读数,提出了独特的分析挑战.

研究的目的:

  • 分析ST实验中斑点的基因表达形态,以界定细胞混合物和识别标记基因.
  • 通过Visium平台的软件套件,调查点选择和基因组/转录组引用的选择对ST分析结果的影响.

主要方法:

  • 该研究将ST分析管道分解为四个步骤:图像分析,读取对齐,基因量化和点位聚类.
  • 进行了比较分析,使用不同点子集的读数和替代基因组/转录组参考.

主要成果:

  • 基因组和转录组参考的选择显著影响ST分析结果.
  • 现场选择极大地影响了从制造商的ST分析管道中获得的结果.

结论:

  • 了解点选择和参考选择的影响对于准确解释空间转录学数据至关重要.
  • 这些发现凸显了在Visium ST分析管道中优化这些参数的重要性,以获得可靠的生物见解.