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相关概念视频

Stem Cell Culture01:17

Stem Cell Culture

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Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
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Chromatin Modification in iPS Cells01:32

Chromatin Modification in iPS Cells

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Chromatin modification alters gene expression; therefore, scientists can add histone-modifying enzymes, histone variants, and chromatin remodeling complexes to somatic cells to aid reprogramming into pluripotent stem (iPS) cells.
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...
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Induced Pluripotent Stem Cells01:06

Induced Pluripotent Stem Cells

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Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic...
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Induced Pluripotent Stem Cells01:13

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Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
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Embryonic Stem Cells00:57

Embryonic Stem Cells

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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
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iPS Cell Differentiation01:22

iPS Cell Differentiation

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The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
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相关实验视频

Updated: Jan 16, 2026

Enrichment and Purging of Human Embryonic Stem Cells by Detection of Cell Surface Antigens Using the Monoclonal Antibodies TG30 and GCTM-2
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人类多能干细胞的元数据有多公平?

Mengqi Hu1, Rachel A Ankeny2, Dan Santos3

  • 1Stem Cell Systems, The Department of Anatomy and Physiology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC 3010, Australia.

Stem cell reports
|September 26, 2025
PubMed
概括

人类多能干细胞 (hPSC) 数据的有效管理需要协调的基础设施. 应用FAIR数据原则揭示了阻碍全球信息共享和数据再利用的不一致性.

关键词:
计算干细胞生物学计算干细胞生物学知识基础知识基础干细胞治理的管理干细胞的来源 干细胞的来源

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科学领域:

  • 生物医学研究生物医学研究
  • 数据科学数据科学数据科学
  • 生物信息学是一种生物信息学.

背景情况:

  • 干细胞研究在全球范围内迅速扩大.
  • 有效管理干细胞系信息和数据资源至关重要.
  • 现有的数据基础设施需要对协调和信息共享进行评估.

研究的目的:

  • 使用FAIR数据原则评估干细胞研究数据管理的成熟度.
  • 在专门的数据基础设施中评估描述人类多能干细胞 (hPSCs) 的信息质量.
  • 确定有效共享信息和在现场重复使用数据的障碍.

主要方法:

  • 应用FAIR数据原则 (可查找,可访问,可互操作,可重复使用).
  • 对人类多能干细胞 (hPSC) 数据基础设施的系统评估.
  • 来自澳大利亚,美国,日本和欧洲的案例研究.

主要成果:

  • 发现跨司法管辖区缺乏协调.
  • 缺乏持久的数字标识符和不一致的数据标准.
  • 限制性共享政策阻碍了有效的信息共享.

结论:

  • 需要国家基础设施来进行全面的蜂线路目录.
  • 提高元数据标准化和跨平台协调是必不可少的.
  • 增强数据再利用和加强本地资源取决于更好的数据管理实践.