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相关概念视频

Embryonic Stem Cells00:57

Embryonic Stem Cells

3.7K
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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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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EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

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Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
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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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相关实验视频

Updated: Sep 9, 2025

Protocol for Human Blastoids Modeling Blastocyst Development and Implantation
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基于干细胞的人类胚胎模型:当前知识和未解决的问题

Margit Rosner1, Stefanie Horer1, Izabella Kiss1

  • 1Institute of Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Währinger Straße 10, 1090, Vienna, Austria.

Stem cell research & therapy
|August 28, 2025
PubMed
概括
此摘要是机器生成的。

基于干细胞的人类胚胎模型正在推动我们对早期发育和生殖失败的理解. 这些模型为转化研究中的药物测试和疾病建模提供了希望.

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Patterning the Geometry of Human Embryonic Stem Cell Colonies on Compliant Substrates to Control Tissue-Level Mechanics
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Scalable 96-well Plate Based iPSC Culture and Production Using a Robotic Liquid Handling System
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相关实验视频

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科学领域:

  • 发育生物学
  • 干细胞生物学
  • 生殖医学

背景情况:

  • 基于干细胞的综合人类胚胎模型的开发旨在回顾早期人类的发展.
  • 了解早期胚胎发育对于解决生殖失败和疾病至关重要.

研究的目的:

  • 审查基于干细胞的人类胚胎模型的好处,承诺和局限性.
  • 讨论它们在翻译研究和生物医学领域的应用.

主要方法:

  • 对基于干细胞的人类胚胎模型的当前文献的审查.
  • 综合和非综合模型系统的分析.

主要成果:

  • 基于干细胞的模型在模仿人类胚胎生成方面越来越复杂.
  • 这些模型有潜力用于药物查和疾病建模.

结论:

  • 人类胚胎模型正在进入一个新的阶段,
  • 需要进一步发展以提高模型的可靠性,并解决翻译研究的局限性.