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相关概念视频

Eukaryotic Compartmentalizations01:46

Eukaryotic Compartmentalizations

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Eukaryotic Compartmentalization01:46

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
RNA-seq03:21

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
Eukaryotic Compartmentalization01:37

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Entropy within the Cell01:22

Entropy within the Cell

A living cell's primary tasks of obtaining, transforming, and using energy to do work may seem simple. However, the second law of thermodynamics explains why these tasks are harder than they appear. None of the energy transfers in the universe are completely efficient. In every energy transfer, some amount of energy is lost in a form that is unusable. In most cases, this form is heat energy. Thermodynamically, heat energy is defined as the energy transferred from one system to another that is...
Overview Of Cell Separation And Isolation01:20

Overview Of Cell Separation And Isolation

Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.

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相关实验视频

Updated: May 11, 2026

Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
09:19

Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection

Published on: July 6, 2022

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空间扰乱-seq:完整的组织架构中的单细胞功能基因组学.

Kimberle Shen1, Wan Yi Seow1, Choong Tat Keng1

  • 1Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), 60 Biopolis Street, Genome, Singapore, Republic of Singapore.

Nature communications
|February 21, 2026
PubMed
概括
此摘要是机器生成的。

空间 Perturb-Seq 能够在体内对完整组织中的多个基因进行CRISPR选. 这种方法揭示了基因淘汰的细胞特异性和微环境影响,有助于神经退行性疾病研究.

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Comprehensive Spatial Profiling of Species-agnostic Transcriptomes via Stereo-seq
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Comprehensive Spatial Profiling of Species-agnostic Transcriptomes via Stereo-seq

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Mining Spatial Transcriptomics Datasets using DeepSpaceDB
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Mining Spatial Transcriptomics Datasets using DeepSpaceDB

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Last Updated: May 11, 2026

Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
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Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection

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Comprehensive Spatial Profiling of Species-agnostic Transcriptomes via Stereo-seq
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科学领域:

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

背景情况:

  • 了解复杂组织中的基因功能对于疾病研究至关重要.
  • 现有的方法在分析过程中经常难以保持空间上下文和细胞表示.
  • 神经退行性疾病涉及大脑内部复杂的遗传和环境相互作用.

研究的目的:

  • 开发一种新的体内CRISPR技术,用于在完整组织中进行高通量功能基因查.
  • 研究与神经退行性疾病相关的基因淘汰对细胞自主和细胞细胞微环境的影响.
  • 为了确定参与神经元细胞间通信的候选基因.

主要方法:

  • 空间扰乱-Seq:一种体内CRISPR技术,用于在完整组织中的单细胞内查询多个基因.
  • 与基于测序和基于探测的空间技术兼容.
  • 对于小鼠大脑中神经退行性疾病的淘汰风险基因的应用.

主要成果:

  • 成功地应用了空间扰动Seq以在现场和体内功能性选多个基因.
  • 绕过了细胞处理步骤,这些步骤可以扭曲细胞类型的表征,从而保留组织结构.
  • 鉴定了基因淘汰的细胞内和细胞间影响.
  • 在空间完整的小鼠大脑中发现了细胞自主和细胞-细胞微环境效应.
  • 识别了潜在的基因候选人,这些基因是失调的神经元细胞间通信通路的基础.

结论:

  • 空间扰动Seq是一个强大的工具,用于完整组织的体内功能基因组学.
  • 该技术阐明了神经退行性疾病模型中的复杂基因相互作用和微环境影响.
  • 这种方法推进了神经元通信的研究,并确定了潜在的治疗点.