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Related Concept Videos

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.
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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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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 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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Stem cell-based human embryo models: current knowledge and open questions.

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
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Summary
This summary is machine-generated.

Stem cell-based human embryo models are advancing our understanding of early development and reproductive failures. These models offer promise for drug testing and disease modeling in translational research.

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Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Reproductive Medicine

Background:

  • The development of integrated stem cell-based human embryo models aims to recapitulate early human development.
  • Understanding early embryogenesis is crucial for addressing reproductive failures and diseases.

Purpose of the Study:

  • To review the benefits, promises, and limitations of stem cell-based human embryo models.
  • To discuss their application in translational research and biomedical fields.

Main Methods:

  • Review of current literature on stem cell-based human embryo models.
  • Analysis of integrated and non-integrated model systems.

Main Results:

  • Stem cell-based models are increasingly sophisticated in mimicking human embryogenesis.
  • These models hold potential for drug screening and disease modeling.

Conclusions:

  • Human embryo models are entering a new phase focused on specific scientific applications.
  • Further development is needed to increase model fidelity and address limitations in translational research.