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Related Concept Videos

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).
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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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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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Stem Cell Culture01:17

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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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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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Updated: May 1, 2026

Alternative Cultures for Human Pluripotent Stem Cell Production, Maintenance, and Genetic Analysis
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The decision on the "optimal" human pluripotent stem cell.

Margit Rosner1, Katharina Schipany, Markus Hengstschläger

  • 1Medical Genetics, Medical University of Vienna, Vienna, Austria.

Stem Cells Translational Medicine
|April 3, 2014
PubMed
Summary

Human pluripotent stem cells, including embryonic, induced, and amniotic fluid stem cells, offer diverse therapeutic potential. Careful consideration of ethical, cultivation, and safety factors is crucial for selecting the optimal stem cell type for specific applications.

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Area of Science:

  • Stem Cell Biology
  • Regenerative Medicine
  • Bioethics

Background:

  • Recent advances have expanded the types of human pluripotent stem cells available, including embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs), and amniotic fluid stem cells (AFSCs).
  • These distinct stem cell populations present unique characteristics and potential applications in research and therapy.
  • Understanding their differences is critical for their responsible development and utilization.

Purpose of the Study:

  • To compare different types of human pluripotent stem cells.
  • To evaluate ethical and legal considerations, cultivation requirements, genomic stability, and tumorigenic potential.
  • To assess their applicability in disease modeling and human therapeutic strategies.

Main Methods:

  • Comparative analysis of ESCs, iPSCs, and AFSCs.
  • Review of existing literature on stem cell characteristics and applications.
  • Evaluation of ethical, legal, and technical parameters for each stem cell type.

Main Results:

  • Human pluripotent stem cells vary in their ethical and legal standing, cultivation needs, and genomic stability.
  • Tumorigenic potentials differ among stem cell types, impacting their safety for therapeutic use.
  • Each stem cell type shows distinct advantages and limitations for disease modeling and therapy.

Conclusions:

  • The selection of the optimal human pluripotent stem cell type depends heavily on the specific application.
  • Future research and clinical translation require careful methodological management and ethical oversight.
  • A nuanced approach is necessary to harness the full potential of diverse pluripotent stem cell sources.