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相关概念视频

Stem Cell Niche01:26

Stem Cell Niche

4.9K
The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
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Methods of Nuclear Reprogramming01:24

Methods of Nuclear Reprogramming

1.8K
Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for...
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Maintenance of the ES Cell State01:14

Maintenance of the ES Cell State

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The cells of the blastocyst inner cell mass only remain pluripotent for a short time. This state of pluripotency and self-renewal can be maintained in embryonic stem (ES) cell culture by adding specific chemicals or growth factors to ensure the cells can continue dividing and later differentiate into different cell types. In some cases, the cells are grown on a feeder layer of differentiated cells, which provides the growth factors and extracellular matrix components necessary for stem cell...
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Lineage Commitment01:21

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Commitment is the  process whereby stem cells:
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Somatic to iPS Cell Reprogramming01:29

Somatic to iPS Cell Reprogramming

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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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Regulation of Hematopoietic Stem Cells01:01

Regulation of Hematopoietic Stem Cells

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All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
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相关实验视频

Updated: May 8, 2025

MitoCeption: Transferring Isolated Human MSC Mitochondria to Glioblastoma Stem Cells
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干细胞功能中的线核通信

Baozhou Peng1,2,3, Yaning Wang1,2,3, Hongbo Zhang1,2,3

  • 1Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.

Cell proliferation
|December 27, 2024
PubMed
概括
此摘要是机器生成的。

线粒体对于细胞功能和应激反应至关重要. 了解线粒细胞通信是控制干细胞命运的关键,用于组织修复和寿命.

关键词:
老化的老化 衰老的老化命运的决定 命运的决定代谢过程中的代谢.线粒体中的线粒体.线粒体的压力是线粒体的压力.无核通讯 无核通讯干细胞是一种干细胞.

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Assessing Stem Cell DNA Integrity for Cardiac Cell Therapy
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科学领域:

  • 细胞生物学 细胞生物学
  • 线粒体生物学 线粒体生物学
  • 干细胞生物学 干细胞生物学

背景情况:

  • 线粒体是细胞能量生产 (ATP) 和代谢途径的核心.
  • 线粒体在细胞应激反应中发挥作用.
  • 大多数线粒体蛋白质是由核DNA编码的,需要核和线粒体之间进行通信.

研究的目的:

  • 审查线粒细胞核通信和线粒体蛋白质稳定在干细胞命运中的关键作用.
  • 探索这些过程对细胞平衡和衰老的影响.
  • 讨论对干细胞疗法和寿命延长的影响.

主要方法:

  • 文献综述,重点关注小核通信.
  • 分析线粒体蛋白质稳定机制.
  • 检查与线粒体功能相关的干细胞生物学文献.

主要成果:

  • 分子核通信对于维护线粒体平衡是必不可少的.
  • 线粒体功能显著影响干细胞命运的决定.
  • 线粒体蛋白质稳定对于干细胞功能和生物体健康至关重要.

结论:

  • 有效的线粒细胞通信和蛋白质静止对于干细胞的健康和功能至关重要.
  • 了解这些相互作用可以导致再生医学和抗衰老策略的进步.
  • 线粒体健康是组织维护,再生和衰老过程中的关键因素.