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相关概念视频

Determination01:51

Determination

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During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In...
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Cells Coordinate Growth and Proliferation02:36

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Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...
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Lineage Commitment01:21

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Commitment is the  process whereby stem cells:
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Cellular Differentiation00:57

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How does a complex organism such as a human develop from a single cell? It all starts from a single fertilized egg which gives rise to a vast array of cell types, such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions.
A zygote is a...
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Determining the Plane of Cell Division02:13

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Positioning the cell division plane is a critical step during development and cell differentiation, particularly during mitosis when the plane is essential for determining the size of the two daughter cells. The cell division plane is perpendicular to the plane of chromosome segregation, but different types of organisms have different cell division mechanisms to suit their morphology and function. 
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Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012...
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相关实验视频

Updated: Jun 15, 2025

Blastomere Explants to Test for Cell Fate Commitment During Embryonic Development
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道化核用于细胞命运的决定.

Namhee Kim1, Jonghoon Lee1, Jongwan Kim1

  • 1Laboratory for Systems Biology and Bio-inspired Engineering, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.

Briefings in bioinformatics
|August 22, 2024
PubMed
概括
此摘要是机器生成的。

科学家们开发了CAESAR,这是一个计算框架,用于识别控制细胞命运的主调节者. 这种工具揭示了基本的分子通路或通道内核,这对于细胞命运决定和重编程至关重要.

关键词:
布尔网络是一个布尔网络.道化核心的核心.细胞的命运发生了变化.主管监管机构的主管监管机构积极的反循环是一个循环.

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Single Cell Fate Mapping in Zebrafish
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相关实验视频

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科学领域:

  • 系统生物学 系统生物学
  • 计算生物学 计算生物学
  • 分子网络分析 分子网络分析

背景情况:

  • 细胞命运通常是强大的,但可以通过特定的分子干扰而改变.
  • 细胞命运的变化,如重编程和转差异化,通常涉及几个关键的分子开关,称为主调节器.
  • 识别这些主监管机构和理解它们的监管机制仍然是一个挑战.

研究的目的:

  • 开发一个计算框架,CAESAR,用于系统地识别主监管机构.
  • 解开通道核,这是决定细胞命运的分子反的关键子结构.
  • 为了提供一个系统层面的理解如何分子网络控制细胞命运的决定.

主要方法:

  • 开发CAESAR计算框架的开发.
  • 在分子网络中系统地识别主调节器.
  • 分析通道核结构及其在细胞命运决定中的作用.

主要成果:

  • 凯撒成功预测了小鼠胚胎干细胞去差异化的重编程因素.
  • 凯撒精确预测了血液造血干细胞转分化的因素.
  • 该框架通过道化内核揭示了基本的基本机制.

结论:

  • 凯撒是识别主调节器和理解细胞命运决定的强大工具.
  • 道化核是细胞命运稳定和变化至关重要的关键子结构.
  • 这项工作提供了系统层面的观点,以了解复杂的分子网络如何决定细胞命运.